static int r_prelude(struct SN_env * z) {
    int among_var;
    while(1) { /* repeat, line 36 */
        int c = z->c;
        z->bra = z->c; /* [, line 37 */
        among_var = find_among(z, a_0, 3); /* substring, line 37 */
        if (!(among_var)) goto lab0;
        z->ket = z->c; /* ], line 37 */
        switch(among_var) {
            case 0: goto lab0;
            case 1:
                {   int ret;
                    ret = slice_from_s(z, 2, s_0); /* <-, line 38 */
                    if (ret < 0) return ret;
                }
                break;
            case 2:
                {   int ret;
                    ret = slice_from_s(z, 2, s_1); /* <-, line 39 */
                    if (ret < 0) return ret;
                }
                break;
            case 3:
                {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                    if (c < 0) goto lab0;
                    z->c = c; /* next, line 40 */
                }
                break;
        }
        continue;
    lab0:
        z->c = c;
        break;
    }
    return 1;
}
static int r_main_suffix(struct SN_env * z) {
    int among_var;
    {   int m3; /* setlimit, line 38 */
        int m = z->l - z->c; (void) m;
        if (z->c < z->I[0]) return 0;
        z->c = z->I[0]; /* tomark, line 38 */
        m3 = z->lb; z->lb = z->c;
        z->c = z->l - m;
        z->ket = z->c; /* [, line 38 */
        among_var = find_among_b(z, a_0, 29); /* substring, line 38 */
        if (!(among_var)) { z->lb = m3; return 0; }
        z->bra = z->c; /* ], line 38 */
        z->lb = m3;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_del(z); /* delete, line 44 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m = z->l - z->c; (void) m; /* or, line 46 */
                if (!(in_grouping_b_U(z, g_s_ending, 98, 122))) goto lab1;
                goto lab0;
            lab1:
                z->c = z->l - m;
                if (!(eq_s_b(z, 1, s_0))) return 0;
                if (!(out_grouping_b_U(z, g_v, 97, 248))) return 0;
            }
        lab0:
            {   int ret;
                ret = slice_del(z); /* delete, line 46 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 2, s_1); /* <-, line 48 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_attached_pronoun(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 87 */
    if (!(find_among_b(z, a_2, 37))) return 0; /* substring, line 87 */
    z->bra = z->c; /* ], line 87 */
    among_var = find_among_b(z, a_3, 5); /* among, line 97 */
    if (!(among_var)) return 0;
    if (!r_RV(z)) return 0; /* call RV, line 97 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            slice_del(z); /* delete, line 98 */
            break;
        case 2:
            slice_from_s(z, 1, s_12); /* <-, line 99 */
            break;
    }
    return 1;
}
static int r_residual_form(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 190 */
    among_var = find_among_b(z, a_8, 4); /* substring, line 190 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 190 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            if (!r_RV(z)) return 0; /* call RV, line 192 */
            slice_del(z); /* delete, line 192 */
            z->ket = z->c; /* [, line 192 */
            {   int m = z->l - z->c; /* or, line 192 */
                if (!(eq_s_b(z, 1, s_11))) goto lab1;
                z->bra = z->c; /* ], line 192 */
                {   int m_test = z->l - z->c; /* test, line 192 */
                    if (!(eq_s_b(z, 1, s_12))) goto lab1;
                    z->c = z->l - m_test;
                }
                goto lab0;
            lab1:
                z->c = z->l - m;
                if (!(eq_s_b(z, 1, s_13))) return 0;
                z->bra = z->c; /* ], line 193 */
                {   int m_test = z->l - z->c; /* test, line 193 */
                    if (!(eq_s_b(z, 1, s_14))) return 0;
                    z->c = z->l - m_test;
                }
            }
        lab0:
            if (!r_RV(z)) return 0; /* call RV, line 193 */
            slice_del(z); /* delete, line 193 */
            break;
        case 2:
            slice_from_s(z, 1, s_15); /* <-, line 194 */
            break;
    }
    return 1;
}
static int r_un_accent(struct SN_env * z) {
    {   int i = 1;
        while(1) { /* atleast, line 207 */
            if (!(out_grouping_b(z, g_v, 97, 251))) goto lab0;
            i--;
            continue;
        lab0:
            break;
        }
        if (i > 0) return 0;
    }
    z->ket = z->c; /* [, line 208 */
    {   int m = z->l - z->c; /* or, line 208 */
        if (!(eq_s_b(z, 1, s_38))) goto lab2;
        goto lab1;
    lab2:
        z->c = z->l - m;
        if (!(eq_s_b(z, 1, s_39))) return 0;
    }
lab1:
    z->bra = z->c; /* ], line 208 */
    slice_from_s(z, 1, s_40); /* <-, line 208 */
    return 1;
}
static int r_Step_1c(struct SN_env * z) {
    z->ket = z->c; /* [, line 93 */
    {   int m = z->l - z->c; (void) m; /* or, line 93 */
        if (!(eq_s_b(z, 1, s_11))) goto lab1;
        goto lab0;
    lab1:
        z->c = z->l - m;
        if (!(eq_s_b(z, 1, s_12))) return 0;
    }
lab0:
    z->bra = z->c; /* ], line 93 */
    if (!(out_grouping_b(z, g_v, 97, 121))) return 0;
    {   int m = z->l - z->c; (void) m; /* not, line 94 */
        if (z->c > z->lb) goto lab2; /* atlimit, line 94 */
        return 0;
    lab2:
        z->c = z->l - m;
    }
    {   int ret;
        ret = slice_from_s(z, 1, s_13); /* <-, line 95 */
        if (ret < 0) return ret;
    }
    return 1;
}
static int r_prefixes(struct SN_env * z) {
    int among_var;
    z->bra = z->c; /* [, line 24 */
    among_var = find_among(z, a_1, 6); /* substring, line 24 */
    if (!(among_var)) return 0;
    z->ket = z->c; /* ], line 24 */
    switch(among_var) {
    case 0:
        return 0;
    case 1:
    {   int ret = slice_from_s(z, 3, s_9); /* <-, line 25 */
        if (ret < 0) return ret;
    }
    break;
    case 2:
    {   int ret = slice_from_s(z, 2, s_10); /* <-, line 26 */
        if (ret < 0) return ret;
    }
    break;
    case 3:
    {   int ret = slice_from_s(z, 3, s_11); /* <-, line 27 */
        if (ret < 0) return ret;
    }
    break;
    case 4:
    {   int ret = slice_from_s(z, 5, s_12); /* <-, line 28 */
        if (ret < 0) return ret;
    }
    break;
    case 5:
    {   int ret = slice_from_s(z, 4, s_13); /* <-, line 29 */
        if (ret < 0) return ret;
    }
    break;
    case 6:
    {   int ret = slice_from_s(z, 3, s_14); /* <-, line 30 */
        if (ret < 0) return ret;
    }
    break;
    }
    return 1;
}
static int r_possessive(struct SN_env * z) {
    int among_var;
    {   int mlimit; /* setlimit, line 69 */
        int m1 = z->l - z->c; (void)m1;
        if (z->c < z->I[0]) return 0;
        z->c = z->I[0]; /* tomark, line 69 */
        mlimit = z->lb; z->lb = z->c;
        z->c = z->l - m1;
        z->ket = z->c; /* [, line 69 */
        among_var = find_among_b(z, a_4, 9); /* substring, line 69 */
        if (!(among_var)) { z->lb = mlimit; return 0; }
        z->bra = z->c; /* ], line 69 */
        z->lb = mlimit;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int m2 = z->l - z->c; (void)m2; /* not, line 72 */
                if (!(eq_s_b(z, 1, s_0))) goto lab0;
                return 0;
            lab0:
                z->c = z->l - m2;
            }
            {   int ret = slice_del(z); /* delete, line 72 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret = slice_del(z); /* delete, line 74 */
                if (ret < 0) return ret;
            }
            z->ket = z->c; /* [, line 74 */
            if (!(eq_s_b(z, 3, s_1))) return 0;
            z->bra = z->c; /* ], line 74 */
            {   int ret = slice_from_s(z, 3, s_2); /* <-, line 74 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret = slice_del(z); /* delete, line 78 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            if (z->c - 1 <= z->lb || z->p[z->c - 1] != 97) return 0;
            if (!(find_among_b(z, a_1, 6))) return 0; /* among, line 81 */
            {   int ret = slice_del(z); /* delete, line 81 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            if (z->c - 2 <= z->lb || z->p[z->c - 1] != 164) return 0;
            if (!(find_among_b(z, a_2, 6))) return 0; /* among, line 83 */
            {   int ret = slice_del(z); /* delete, line 84 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            if (z->c - 2 <= z->lb || z->p[z->c - 1] != 101) return 0;
            if (!(find_among_b(z, a_3, 2))) return 0; /* among, line 86 */
            {   int ret = slice_del(z); /* delete, line 86 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_owned(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 154 */
    among_var = find_among_b(z, a_9, 12); /* substring, line 154 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 154 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 154 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_del(z); /* delete, line 155 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 1, s_9); /* <-, line 156 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 1, s_10); /* <-, line 157 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_del(z); /* delete, line 158 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 1, s_11); /* <-, line 159 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 1, s_12); /* <-, line 160 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_del(z); /* delete, line 161 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 1, s_13); /* <-, line 162 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_del(z); /* delete, line 163 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_prelude(struct SN_env * z) {
    while(1) { /* repeat, line 38 */
        int c = z->c;
        while(1) { /* goto, line 38 */
            int c = z->c;
            {   int c = z->c; /* or, line 44 */
                if (!(in_grouping(z, g_v, 97, 251))) goto lab3;
                z->bra = z->c; /* [, line 40 */
                {   int c = z->c; /* or, line 40 */
                    if (!(eq_s(z, 1, s_0))) goto lab5;
                    z->ket = z->c; /* ], line 40 */
                    if (!(in_grouping(z, g_v, 97, 251))) goto lab5;
                    {   int ret;
                        ret = slice_from_s(z, 1, s_1); /* <-, line 40 */
                        if (ret < 0) return ret;
                    }
                    goto lab4;
                lab5:
                    z->c = c;
                    if (!(eq_s(z, 1, s_2))) goto lab6;
                    z->ket = z->c; /* ], line 41 */
                    if (!(in_grouping(z, g_v, 97, 251))) goto lab6;
                    {   int ret;
                        ret = slice_from_s(z, 1, s_3); /* <-, line 41 */
                        if (ret < 0) return ret;
                    }
                    goto lab4;
                lab6:
                    z->c = c;
                    if (!(eq_s(z, 1, s_4))) goto lab3;
                    z->ket = z->c; /* ], line 42 */
                    {   int ret;
                        ret = slice_from_s(z, 1, s_5); /* <-, line 42 */
                        if (ret < 0) return ret;
                    }
                }
            lab4:
                goto lab2;
            lab3:
                z->c = c;
                z->bra = z->c; /* [, line 45 */
                if (!(eq_s(z, 1, s_6))) goto lab7;
                z->ket = z->c; /* ], line 45 */
                if (!(in_grouping(z, g_v, 97, 251))) goto lab7;
                {   int ret;
                    ret = slice_from_s(z, 1, s_7); /* <-, line 45 */
                    if (ret < 0) return ret;
                }
                goto lab2;
            lab7:
                z->c = c;
                if (!(eq_s(z, 1, s_8))) goto lab1;
                z->bra = z->c; /* [, line 47 */
                if (!(eq_s(z, 1, s_9))) goto lab1;
                z->ket = z->c; /* ], line 47 */
                {   int ret;
                    ret = slice_from_s(z, 1, s_10); /* <-, line 47 */
                    if (ret < 0) return ret;
                }
            }
        lab2:
            z->c = c;
            break;
        lab1:
            z->c = c;
            if (z->c >= z->l) goto lab0;
            z->c++; /* goto, line 38 */
        }
        continue;
    lab0:
        z->c = c;
        break;
    }
    return 1;
}
static int r_sing_owner(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 168 */
    among_var = find_among_b(z, a_10, 31); /* substring, line 168 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 168 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 168 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_del(z); /* delete, line 169 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 1, s_14); /* <-, line 170 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 1, s_15); /* <-, line 171 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_del(z); /* delete, line 172 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 1, s_16); /* <-, line 173 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 1, s_17); /* <-, line 174 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_del(z); /* delete, line 175 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_del(z); /* delete, line 176 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_del(z); /* delete, line 177 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_from_s(z, 1, s_18); /* <-, line 178 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_from_s(z, 1, s_19); /* <-, line 179 */
                if (ret < 0) return ret;
            }
            break;
        case 12:
            {   int ret;
                ret = slice_del(z); /* delete, line 180 */
                if (ret < 0) return ret;
            }
            break;
        case 13:
            {   int ret;
                ret = slice_del(z); /* delete, line 181 */
                if (ret < 0) return ret;
            }
            break;
        case 14:
            {   int ret;
                ret = slice_from_s(z, 1, s_20); /* <-, line 182 */
                if (ret < 0) return ret;
            }
            break;
        case 15:
            {   int ret;
                ret = slice_from_s(z, 1, s_21); /* <-, line 183 */
                if (ret < 0) return ret;
            }
            break;
        case 16:
            {   int ret;
                ret = slice_del(z); /* delete, line 184 */
                if (ret < 0) return ret;
            }
            break;
        case 17:
            {   int ret;
                ret = slice_del(z); /* delete, line 185 */
                if (ret < 0) return ret;
            }
            break;
        case 18:
            {   int ret;
                ret = slice_del(z); /* delete, line 186 */
                if (ret < 0) return ret;
            }
            break;
        case 19:
            {   int ret;
                ret = slice_from_s(z, 1, s_22); /* <-, line 187 */
                if (ret < 0) return ret;
            }
            break;
        case 20:
            {   int ret;
                ret = slice_from_s(z, 1, s_23); /* <-, line 188 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_standard_suffix(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 87 */
    among_var = find_among_b(z, a_6, 46); /* substring, line 87 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 87 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 99 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 99 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 105 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 105 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 106 */
                z->ket = z->c; /* [, line 106 */
                if (!(eq_s_b(z, 2, s_11))) { z->c = z->l - m; goto lab0; }
                z->bra = z->c; /* ], line 106 */
                {   int ret = r_R2(z);
                    if (ret == 0) { z->c = z->l - m; goto lab0; } /* call R2, line 106 */
                    if (ret < 0) return ret;
                }
                {   int ret;
                    ret = slice_del(z); /* delete, line 106 */
                    if (ret < 0) return ret;
                }
            lab0:
                ;
            }
            break;
        case 3:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 111 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 3, s_12); /* <-, line 111 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 115 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 1, s_13); /* <-, line 115 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 119 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 4, s_14); /* <-, line 119 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret = r_R1(z);
                if (ret == 0) return 0; /* call R1, line 123 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 123 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 124 */
                z->ket = z->c; /* [, line 125 */
                among_var = find_among_b(z, a_3, 4); /* substring, line 125 */
                if (!(among_var)) { z->c = z->l - m; goto lab1; }
                z->bra = z->c; /* ], line 125 */
                {   int ret = r_R2(z);
                    if (ret == 0) { z->c = z->l - m; goto lab1; } /* call R2, line 125 */
                    if (ret < 0) return ret;
                }
                {   int ret;
                    ret = slice_del(z); /* delete, line 125 */
                    if (ret < 0) return ret;
                }
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab1; }
                    case 1:
                        z->ket = z->c; /* [, line 126 */
                        if (!(eq_s_b(z, 2, s_15))) { z->c = z->l - m; goto lab1; }
                        z->bra = z->c; /* ], line 126 */
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab1; } /* call R2, line 126 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 126 */
                            if (ret < 0) return ret;
                        }
                        break;
                }
            lab1:
                ;
            }
            break;
        case 7:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 135 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 135 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 136 */
                z->ket = z->c; /* [, line 137 */
                among_var = find_among_b(z, a_4, 3); /* substring, line 137 */
                if (!(among_var)) { z->c = z->l - m; goto lab2; }
                z->bra = z->c; /* ], line 137 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab2; }
                    case 1:
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab2; } /* call R2, line 140 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 140 */
                            if (ret < 0) return ret;
                        }
                        break;
                }
            lab2:
                ;
            }
            break;
        case 8:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 147 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 147 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 148 */
                z->ket = z->c; /* [, line 149 */
                among_var = find_among_b(z, a_5, 3); /* substring, line 149 */
                if (!(among_var)) { z->c = z->l - m; goto lab3; }
                z->bra = z->c; /* ], line 149 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab3; }
                    case 1:
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab3; } /* call R2, line 152 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 152 */
                            if (ret < 0) return ret;
                        }
                        break;
                }
            lab3:
                ;
            }
            break;
        case 9:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 159 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 159 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 160 */
                z->ket = z->c; /* [, line 161 */
                if (!(eq_s_b(z, 2, s_16))) { z->c = z->l - m; goto lab4; }
                z->bra = z->c; /* ], line 161 */
                {   int ret = r_R2(z);
                    if (ret == 0) { z->c = z->l - m; goto lab4; } /* call R2, line 161 */
                    if (ret < 0) return ret;
                }
                {   int ret;
                    ret = slice_del(z); /* delete, line 161 */
                    if (ret < 0) return ret;
                }
            lab4:
                ;
            }
            break;
    }
    return 1;
}
static int r_standard_suffix(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 77 */
    among_var = find_among_b(z, a_5, 45); /* substring, line 77 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 77 */
    switch(among_var) {
    case 0:
        return 0;
    case 1:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 93 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_del(z); /* delete, line 93 */
        if (ret < 0) return ret;
    }
    break;
    case 2:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 98 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_from_s(z, 3, s_4); /* <-, line 98 */
        if (ret < 0) return ret;
    }
    break;
    case 3:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 102 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_from_s(z, 1, s_5); /* <-, line 102 */
        if (ret < 0) return ret;
    }
    break;
    case 4:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 106 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_from_s(z, 4, s_6); /* <-, line 106 */
        if (ret < 0) return ret;
    }
    break;
    case 5:
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 110 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_del(z); /* delete, line 110 */
        if (ret < 0) return ret;
    }
    {   int m = z->l - z->c;
        (void) m; /* try, line 111 */
        z->ket = z->c; /* [, line 112 */
        among_var = find_among_b(z, a_2, 4); /* substring, line 112 */
        if (!(among_var)) {
            z->c = z->l - m;
            goto lab0;
        }
        z->bra = z->c; /* ], line 112 */
        {   int ret = r_R2(z);
            if (ret == 0) {
                z->c = z->l - m;    /* call R2, line 112 */
                goto lab0;
            }
            if (ret < 0) return ret;
        }
        {   int ret;
            ret = slice_del(z); /* delete, line 112 */
            if (ret < 0) return ret;
        }
        switch(among_var) {
        case 0: {
            z->c = z->l - m;
            goto lab0;
        }
        case 1:
            z->ket = z->c; /* [, line 113 */
            if (!(eq_s_b(z, 2, s_7))) {
                z->c = z->l - m;
                goto lab0;
            }
            z->bra = z->c; /* ], line 113 */
            {   int ret = r_R2(z);
                if (ret == 0) {
                    z->c = z->l - m;    /* call R2, line 113 */
                    goto lab0;
                }
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 113 */
                if (ret < 0) return ret;
            }
            break;
        }
lab0:
        ;
    }
    break;
    case 6:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 122 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_del(z); /* delete, line 122 */
        if (ret < 0) return ret;
    }
    {   int m = z->l - z->c;
        (void) m; /* try, line 123 */
        z->ket = z->c; /* [, line 124 */
        among_var = find_among_b(z, a_3, 3); /* substring, line 124 */
        if (!(among_var)) {
            z->c = z->l - m;
            goto lab1;
        }
        z->bra = z->c; /* ], line 124 */
        switch(among_var) {
        case 0: {
            z->c = z->l - m;
            goto lab1;
        }
        case 1:
        {   int ret = r_R2(z);
            if (ret == 0) {
                z->c = z->l - m;    /* call R2, line 127 */
                goto lab1;
            }
            if (ret < 0) return ret;
        }
        {   int ret;
            ret = slice_del(z); /* delete, line 127 */
            if (ret < 0) return ret;
        }
        break;
        }
lab1:
        ;
    }
    break;
    case 7:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 134 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_del(z); /* delete, line 134 */
        if (ret < 0) return ret;
    }
    {   int m = z->l - z->c;
        (void) m; /* try, line 135 */
        z->ket = z->c; /* [, line 136 */
        among_var = find_among_b(z, a_4, 3); /* substring, line 136 */
        if (!(among_var)) {
            z->c = z->l - m;
            goto lab2;
        }
        z->bra = z->c; /* ], line 136 */
        switch(among_var) {
        case 0: {
            z->c = z->l - m;
            goto lab2;
        }
        case 1:
        {   int ret = r_R2(z);
            if (ret == 0) {
                z->c = z->l - m;    /* call R2, line 139 */
                goto lab2;
            }
            if (ret < 0) return ret;
        }
        {   int ret;
            ret = slice_del(z); /* delete, line 139 */
            if (ret < 0) return ret;
        }
        break;
        }
lab2:
        ;
    }
    break;
    case 8:
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 146 */
        if (ret < 0) return ret;
    }
    {   int ret;
        ret = slice_del(z); /* delete, line 146 */
        if (ret < 0) return ret;
    }
    {   int m = z->l - z->c;
        (void) m; /* try, line 147 */
        z->ket = z->c; /* [, line 148 */
        if (!(eq_s_b(z, 2, s_8))) {
            z->c = z->l - m;
            goto lab3;
        }
        z->bra = z->c; /* ], line 148 */
        {   int ret = r_R2(z);
            if (ret == 0) {
                z->c = z->l - m;    /* call R2, line 148 */
                goto lab3;
            }
            if (ret < 0) return ret;
        }
        {   int ret;
            ret = slice_del(z); /* delete, line 148 */
            if (ret < 0) return ret;
        }
lab3:
        ;
    }
    break;
    case 9:
    {   int ret = r_RV(z);
        if (ret == 0) return 0; /* call RV, line 153 */
        if (ret < 0) return ret;
    }
    if (!(eq_s_b(z, 1, s_9))) return 0;
    {   int ret;
        ret = slice_from_s(z, 2, s_10); /* <-, line 154 */
        if (ret < 0) return ret;
    }
    break;
    }
    return 1;
}
static int r_exception1(struct SN_env * z) {
    int among_var;
    z->bra = z->c; /* [, line 169 */
    among_var = find_among(z, a_10, 18); /* substring, line 169 */
    if (!(among_var)) return 0;
    z->ket = z->c; /* ], line 169 */
    if (z->c < z->l) return 0; /* atlimit, line 169 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 3, s_37); /* <-, line 173 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 3, s_38); /* <-, line 174 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 3, s_39); /* <-, line 175 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_from_s(z, 3, s_40); /* <-, line 176 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 3, s_41); /* <-, line 177 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 3, s_42); /* <-, line 181 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_from_s(z, 5, s_43); /* <-, line 182 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 4, s_44); /* <-, line 183 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_from_s(z, 5, s_45); /* <-, line 184 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_from_s(z, 4, s_46); /* <-, line 185 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_from_s(z, 5, s_47); /* <-, line 186 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
extern int porter_UTF_8_stem(struct SN_env * z) {
    z->B[0] = 0; /* unset Y_found, line 115 */
    {   int c = z->c; /* do, line 116 */
        z->bra = z->c; /* [, line 116 */
        if (!(eq_s(z, 1, s_29))) goto lab0;
        z->ket = z->c; /* ], line 116 */
        {   int ret;
            ret = slice_from_s(z, 1, s_30); /* <-, line 116 */
            if (ret < 0) return ret;
        }
        z->B[0] = 1; /* set Y_found, line 116 */
    lab0:
        z->c = c;
    }
    {   int c = z->c; /* do, line 117 */
        while(1) { /* repeat, line 117 */
            int c = z->c;
            while(1) { /* goto, line 117 */
                int c = z->c;
                if (!(in_grouping_U(z, g_v, 97, 121))) goto lab3;
                z->bra = z->c; /* [, line 117 */
                if (!(eq_s(z, 1, s_31))) goto lab3;
                z->ket = z->c; /* ], line 117 */
                z->c = c;
                break;
            lab3:
                z->c = c;
                {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                    if (c < 0) goto lab2;
                    z->c = c; /* goto, line 117 */
                }
            }
            {   int ret;
                ret = slice_from_s(z, 1, s_32); /* <-, line 117 */
                if (ret < 0) return ret;
            }
            z->B[0] = 1; /* set Y_found, line 117 */
            continue;
        lab2:
            z->c = c;
            break;
        }
        z->c = c;
    }
    z->I[0] = z->l;
    z->I[1] = z->l;
    {   int c = z->c; /* do, line 121 */
        while(1) { /* gopast, line 122 */
            if (!(in_grouping_U(z, g_v, 97, 121))) goto lab5;
            break;
        lab5:
            {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                if (c < 0) goto lab4;
                z->c = c; /* gopast, line 122 */
            }
        }
        while(1) { /* gopast, line 122 */
            if (!(out_grouping_U(z, g_v, 97, 121))) goto lab6;
            break;
        lab6:
            {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                if (c < 0) goto lab4;
                z->c = c; /* gopast, line 122 */
            }
        }
        z->I[0] = z->c; /* setmark p1, line 122 */
        while(1) { /* gopast, line 123 */
            if (!(in_grouping_U(z, g_v, 97, 121))) goto lab7;
            break;
        lab7:
            {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                if (c < 0) goto lab4;
                z->c = c; /* gopast, line 123 */
            }
        }
        while(1) { /* gopast, line 123 */
            if (!(out_grouping_U(z, g_v, 97, 121))) goto lab8;
            break;
        lab8:
            {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                if (c < 0) goto lab4;
                z->c = c; /* gopast, line 123 */
            }
        }
        z->I[1] = z->c; /* setmark p2, line 123 */
    lab4:
        z->c = c;
    }
    z->lb = z->c; z->c = z->l; /* backwards, line 126 */

    {   int m = z->l - z->c; (void) m; /* do, line 127 */
        {   int ret = r_Step_1a(z);
            if (ret == 0) goto lab9; /* call Step_1a, line 127 */
            if (ret < 0) return ret;
        }
    lab9:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 128 */
        {   int ret = r_Step_1b(z);
            if (ret == 0) goto lab10; /* call Step_1b, line 128 */
            if (ret < 0) return ret;
        }
    lab10:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 129 */
        {   int ret = r_Step_1c(z);
            if (ret == 0) goto lab11; /* call Step_1c, line 129 */
            if (ret < 0) return ret;
        }
    lab11:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 130 */
        {   int ret = r_Step_2(z);
            if (ret == 0) goto lab12; /* call Step_2, line 130 */
            if (ret < 0) return ret;
        }
    lab12:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 131 */
        {   int ret = r_Step_3(z);
            if (ret == 0) goto lab13; /* call Step_3, line 131 */
            if (ret < 0) return ret;
        }
    lab13:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 132 */
        {   int ret = r_Step_4(z);
            if (ret == 0) goto lab14; /* call Step_4, line 132 */
            if (ret < 0) return ret;
        }
    lab14:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 133 */
        {   int ret = r_Step_5a(z);
            if (ret == 0) goto lab15; /* call Step_5a, line 133 */
            if (ret < 0) return ret;
        }
    lab15:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 134 */
        {   int ret = r_Step_5b(z);
            if (ret == 0) goto lab16; /* call Step_5b, line 134 */
            if (ret < 0) return ret;
        }
    lab16:
        z->c = z->l - m;
    }
    z->c = z->lb;
    {   int c = z->c; /* do, line 137 */
        if (!(z->B[0])) goto lab17; /* Boolean test Y_found, line 137 */
        while(1) { /* repeat, line 137 */
            int c = z->c;
            while(1) { /* goto, line 137 */
                int c = z->c;
                z->bra = z->c; /* [, line 137 */
                if (!(eq_s(z, 1, s_33))) goto lab19;
                z->ket = z->c; /* ], line 137 */
                z->c = c;
                break;
            lab19:
                z->c = c;
                {   int c = skip_utf8(z->p, z->c, 0, z->l, 1);
                    if (c < 0) goto lab18;
                    z->c = c; /* goto, line 137 */
                }
            }
            {   int ret;
                ret = slice_from_s(z, 1, s_34); /* <-, line 137 */
                if (ret < 0) return ret;
            }
            continue;
        lab18:
            z->c = c;
            break;
        }
    lab17:
        z->c = c;
    }
    return 1;
}
static int r_residual_suffix(struct SN_env * z) {
    int among_var;
    {   int m = z->l - z->c; (void) m; /* try, line 190 */
        z->ket = z->c; /* [, line 190 */
        if (!(eq_s_b(z, 1, s_33))) { z->c = z->l - m; goto lab0; }
        z->bra = z->c; /* ], line 190 */
        {   int m_test = z->l - z->c; /* test, line 190 */
            if (!(out_grouping_b(z, g_keep_with_s, 97, 232))) { z->c = z->l - m; goto lab0; }
            z->c = z->l - m_test;
        }
        {   int ret;
            ret = slice_del(z); /* delete, line 190 */
            if (ret < 0) return ret;
        }
    lab0:
        ;
    }
    {   int m3; /* setlimit, line 191 */
        int m = z->l - z->c; (void) m;
        if (z->c < z->I[0]) return 0;
        z->c = z->I[0]; /* tomark, line 191 */
        m3 = z->lb; z->lb = z->c;
        z->c = z->l - m;
        z->ket = z->c; /* [, line 192 */
        among_var = find_among_b(z, a_6, 7); /* substring, line 192 */
        if (!(among_var)) { z->lb = m3; return 0; }
        z->bra = z->c; /* ], line 192 */
        switch(among_var) {
            case 0: { z->lb = m3; return 0; }
            case 1:
                {   int ret = r_R2(z);
                    if (ret == 0) { z->lb = m3; return 0; } /* call R2, line 193 */
                    if (ret < 0) return ret;
                }
                {   int m = z->l - z->c; (void) m; /* or, line 193 */
                    if (!(eq_s_b(z, 1, s_34))) goto lab2;
                    goto lab1;
                lab2:
                    z->c = z->l - m;
                    if (!(eq_s_b(z, 1, s_35))) { z->lb = m3; return 0; }
                }
            lab1:
                {   int ret;
                    ret = slice_del(z); /* delete, line 193 */
                    if (ret < 0) return ret;
                }
                break;
            case 2:
                {   int ret;
                    ret = slice_from_s(z, 1, s_36); /* <-, line 195 */
                    if (ret < 0) return ret;
                }
                break;
            case 3:
                {   int ret;
                    ret = slice_del(z); /* delete, line 196 */
                    if (ret < 0) return ret;
                }
                break;
            case 4:
                if (!(eq_s_b(z, 2, s_37))) { z->lb = m3; return 0; }
                {   int ret;
                    ret = slice_del(z); /* delete, line 197 */
                    if (ret < 0) return ret;
                }
                break;
        }
        z->lb = m3;
    }
    return 1;
}
static int r_Step_2(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 99 */
    among_var = find_among_b(z, a_5, 24); /* substring, line 99 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 99 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 99 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 4, s_14); /* <-, line 100 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 4, s_15); /* <-, line 101 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 4, s_16); /* <-, line 102 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_from_s(z, 4, s_17); /* <-, line 103 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 3, s_18); /* <-, line 104 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 3, s_19); /* <-, line 106 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_from_s(z, 3, s_20); /* <-, line 108 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 2, s_21); /* <-, line 110 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_from_s(z, 3, s_22); /* <-, line 111 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_from_s(z, 3, s_23); /* <-, line 113 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_from_s(z, 3, s_24); /* <-, line 115 */
                if (ret < 0) return ret;
            }
            break;
        case 12:
            {   int ret;
                ret = slice_from_s(z, 3, s_25); /* <-, line 117 */
                if (ret < 0) return ret;
            }
            break;
        case 13:
            if (!(eq_s_b(z, 1, s_26))) return 0;
            {   int ret;
                ret = slice_from_s(z, 2, s_27); /* <-, line 118 */
                if (ret < 0) return ret;
            }
            break;
        case 14:
            {   int ret;
                ret = slice_from_s(z, 3, s_28); /* <-, line 119 */
                if (ret < 0) return ret;
            }
            break;
        case 15:
            {   int ret;
                ret = slice_from_s(z, 4, s_29); /* <-, line 120 */
                if (ret < 0) return ret;
            }
            break;
        case 16:
            if (!(in_grouping_b(z, g_valid_LI, 99, 116))) return 0;
            {   int ret;
                ret = slice_del(z); /* delete, line 121 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_Step_1b(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 74 */
    among_var = find_among_b(z, a_4, 6); /* substring, line 74 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 74 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret = r_R1(z);
                if (ret == 0) return 0; /* call R1, line 76 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 2, s_8); /* <-, line 76 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m_test = z->l - z->c; /* test, line 79 */
                while(1) { /* gopast, line 79 */
                    if (!(in_grouping_b(z, g_v, 97, 121))) goto lab0;
                    break;
                lab0:
                    if (z->c <= z->lb) return 0;
                    z->c--; /* gopast, line 79 */
                }
                z->c = z->l - m_test;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 79 */
                if (ret < 0) return ret;
            }
            {   int m_test = z->l - z->c; /* test, line 80 */
                among_var = find_among_b(z, a_3, 13); /* substring, line 80 */
                if (!(among_var)) return 0;
                z->c = z->l - m_test;
            }
            switch(among_var) {
                case 0: return 0;
                case 1:
                    {   int ret;
                        {   int c = z->c;
                            ret = insert_s(z, z->c, z->c, 1, s_9); /* <+, line 82 */
                            z->c = c;
                        }
                        if (ret < 0) return ret;
                    }
                    break;
                case 2:
                    z->ket = z->c; /* [, line 85 */
                    if (z->c <= z->lb) return 0;
                    z->c--; /* next, line 85 */
                    z->bra = z->c; /* ], line 85 */
                    {   int ret;
                        ret = slice_del(z); /* delete, line 85 */
                        if (ret < 0) return ret;
                    }
                    break;
                case 3:
                    if (z->c != z->I[0]) return 0; /* atmark, line 86 */
                    {   int m_test = z->l - z->c; /* test, line 86 */
                        {   int ret = r_shortv(z);
                            if (ret == 0) return 0; /* call shortv, line 86 */
                            if (ret < 0) return ret;
                        }
                        z->c = z->l - m_test;
                    }
                    {   int ret;
                        {   int c = z->c;
                            ret = insert_s(z, z->c, z->c, 1, s_10); /* <+, line 86 */
                            z->c = c;
                        }
                        if (ret < 0) return ret;
                    }
                    break;
            }
            break;
    }
    return 1;
}
static int r_Step_1a(struct SN_env * z) {
    int among_var;
    {   int m = z->l - z->c; (void) m; /* try, line 58 */
        z->ket = z->c; /* [, line 59 */
        among_var = find_among_b(z, a_1, 3); /* substring, line 59 */
        if (!(among_var)) { z->c = z->l - m; goto lab0; }
        z->bra = z->c; /* ], line 59 */
        switch(among_var) {
            case 0: { z->c = z->l - m; goto lab0; }
            case 1:
                {   int ret;
                    ret = slice_del(z); /* delete, line 61 */
                    if (ret < 0) return ret;
                }
                break;
        }
    lab0:
        ;
    }
    z->ket = z->c; /* [, line 64 */
    among_var = find_among_b(z, a_2, 6); /* substring, line 64 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 64 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 2, s_5); /* <-, line 65 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m = z->l - z->c; (void) m; /* or, line 67 */
                if (z->c <= z->lb) goto lab2;
                z->c--; /* next, line 67 */
                if (z->c > z->lb) goto lab2; /* atlimit, line 67 */
                {   int ret;
                    ret = slice_from_s(z, 2, s_6); /* <-, line 67 */
                    if (ret < 0) return ret;
                }
                goto lab1;
            lab2:
                z->c = z->l - m;
                {   int ret;
                    ret = slice_from_s(z, 1, s_7); /* <-, line 67 */
                    if (ret < 0) return ret;
                }
            }
        lab1:
            break;
        case 3:
            if (z->c <= z->lb) return 0;
            z->c--; /* next, line 68 */
            while(1) { /* gopast, line 68 */
                if (!(in_grouping_b(z, g_v, 97, 121))) goto lab3;
                break;
            lab3:
                if (z->c <= z->lb) return 0;
                z->c--; /* gopast, line 68 */
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 68 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_standard_suffix(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 83 */
    among_var = find_among_b(z, a_3, 43); /* substring, line 83 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 83 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 87 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 87 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 90 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 90 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 91 */
                z->ket = z->c; /* [, line 91 */
                if (!(eq_s_b(z, 2, s_14))) { z->c = z->l - m; goto lab0; }
                z->bra = z->c; /* ], line 91 */
                {   int m = z->l - z->c; (void) m; /* or, line 91 */
                    {   int ret = r_R2(z);
                        if (ret == 0) goto lab2; /* call R2, line 91 */
                        if (ret < 0) return ret;
                    }
                    {   int ret;
                        ret = slice_del(z); /* delete, line 91 */
                        if (ret < 0) return ret;
                    }
                    goto lab1;
                lab2:
                    z->c = z->l - m;
                    {   int ret;
                        ret = slice_from_s(z, 3, s_15); /* <-, line 91 */
                        if (ret < 0) return ret;
                    }
                }
            lab1:
            lab0:
                ;
            }
            break;
        case 3:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 95 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 3, s_16); /* <-, line 95 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 98 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 1, s_17); /* <-, line 98 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 101 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 3, s_18); /* <-, line 101 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret = r_RV(z);
                if (ret == 0) return 0; /* call RV, line 105 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 105 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 106 */
                z->ket = z->c; /* [, line 107 */
                among_var = find_among_b(z, a_1, 6); /* substring, line 107 */
                if (!(among_var)) { z->c = z->l - m; goto lab3; }
                z->bra = z->c; /* ], line 107 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab3; }
                    case 1:
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab3; } /* call R2, line 108 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 108 */
                            if (ret < 0) return ret;
                        }
                        z->ket = z->c; /* [, line 108 */
                        if (!(eq_s_b(z, 2, s_19))) { z->c = z->l - m; goto lab3; }
                        z->bra = z->c; /* ], line 108 */
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab3; } /* call R2, line 108 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 108 */
                            if (ret < 0) return ret;
                        }
                        break;
                    case 2:
                        {   int m = z->l - z->c; (void) m; /* or, line 109 */
                            {   int ret = r_R2(z);
                                if (ret == 0) goto lab5; /* call R2, line 109 */
                                if (ret < 0) return ret;
                            }
                            {   int ret;
                                ret = slice_del(z); /* delete, line 109 */
                                if (ret < 0) return ret;
                            }
                            goto lab4;
                        lab5:
                            z->c = z->l - m;
                            {   int ret = r_R1(z);
                                if (ret == 0) { z->c = z->l - m; goto lab3; } /* call R1, line 109 */
                                if (ret < 0) return ret;
                            }
                            {   int ret;
                                ret = slice_from_s(z, 3, s_20); /* <-, line 109 */
                                if (ret < 0) return ret;
                            }
                        }
                    lab4:
                        break;
                    case 3:
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab3; } /* call R2, line 111 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 111 */
                            if (ret < 0) return ret;
                        }
                        break;
                    case 4:
                        {   int ret = r_RV(z);
                            if (ret == 0) { z->c = z->l - m; goto lab3; } /* call RV, line 113 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_from_s(z, 1, s_21); /* <-, line 113 */
                            if (ret < 0) return ret;
                        }
                        break;
                }
            lab3:
                ;
            }
            break;
        case 7:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 120 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 120 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 121 */
                z->ket = z->c; /* [, line 122 */
                among_var = find_among_b(z, a_2, 3); /* substring, line 122 */
                if (!(among_var)) { z->c = z->l - m; goto lab6; }
                z->bra = z->c; /* ], line 122 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab6; }
                    case 1:
                        {   int m = z->l - z->c; (void) m; /* or, line 123 */
                            {   int ret = r_R2(z);
                                if (ret == 0) goto lab8; /* call R2, line 123 */
                                if (ret < 0) return ret;
                            }
                            {   int ret;
                                ret = slice_del(z); /* delete, line 123 */
                                if (ret < 0) return ret;
                            }
                            goto lab7;
                        lab8:
                            z->c = z->l - m;
                            {   int ret;
                                ret = slice_from_s(z, 3, s_22); /* <-, line 123 */
                                if (ret < 0) return ret;
                            }
                        }
                    lab7:
                        break;
                    case 2:
                        {   int m = z->l - z->c; (void) m; /* or, line 124 */
                            {   int ret = r_R2(z);
                                if (ret == 0) goto lab10; /* call R2, line 124 */
                                if (ret < 0) return ret;
                            }
                            {   int ret;
                                ret = slice_del(z); /* delete, line 124 */
                                if (ret < 0) return ret;
                            }
                            goto lab9;
                        lab10:
                            z->c = z->l - m;
                            {   int ret;
                                ret = slice_from_s(z, 3, s_23); /* <-, line 124 */
                                if (ret < 0) return ret;
                            }
                        }
                    lab9:
                        break;
                    case 3:
                        {   int ret = r_R2(z);
                            if (ret == 0) { z->c = z->l - m; goto lab6; } /* call R2, line 125 */
                            if (ret < 0) return ret;
                        }
                        {   int ret;
                            ret = slice_del(z); /* delete, line 125 */
                            if (ret < 0) return ret;
                        }
                        break;
                }
            lab6:
                ;
            }
            break;
        case 8:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 132 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 132 */
                if (ret < 0) return ret;
            }
            {   int m = z->l - z->c; (void) m; /* try, line 133 */
                z->ket = z->c; /* [, line 133 */
                if (!(eq_s_b(z, 2, s_24))) { z->c = z->l - m; goto lab11; }
                z->bra = z->c; /* ], line 133 */
                {   int ret = r_R2(z);
                    if (ret == 0) { z->c = z->l - m; goto lab11; } /* call R2, line 133 */
                    if (ret < 0) return ret;
                }
                {   int ret;
                    ret = slice_del(z); /* delete, line 133 */
                    if (ret < 0) return ret;
                }
                z->ket = z->c; /* [, line 133 */
                if (!(eq_s_b(z, 2, s_25))) { z->c = z->l - m; goto lab11; }
                z->bra = z->c; /* ], line 133 */
                {   int m = z->l - z->c; (void) m; /* or, line 133 */
                    {   int ret = r_R2(z);
                        if (ret == 0) goto lab13; /* call R2, line 133 */
                        if (ret < 0) return ret;
                    }
                    {   int ret;
                        ret = slice_del(z); /* delete, line 133 */
                        if (ret < 0) return ret;
                    }
                    goto lab12;
                lab13:
                    z->c = z->l - m;
                    {   int ret;
                        ret = slice_from_s(z, 3, s_26); /* <-, line 133 */
                        if (ret < 0) return ret;
                    }
                }
            lab12:
            lab11:
                ;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_from_s(z, 3, s_27); /* <-, line 135 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret = r_R1(z);
                if (ret == 0) return 0; /* call R1, line 136 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 2, s_28); /* <-, line 136 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int m = z->l - z->c; (void) m; /* or, line 138 */
                {   int ret = r_R2(z);
                    if (ret == 0) goto lab15; /* call R2, line 138 */
                    if (ret < 0) return ret;
                }
                {   int ret;
                    ret = slice_del(z); /* delete, line 138 */
                    if (ret < 0) return ret;
                }
                goto lab14;
            lab15:
                z->c = z->l - m;
                {   int ret = r_R1(z);
                    if (ret == 0) return 0; /* call R1, line 138 */
                    if (ret < 0) return ret;
                }
                {   int ret;
                    ret = slice_from_s(z, 3, s_29); /* <-, line 138 */
                    if (ret < 0) return ret;
                }
            }
        lab14:
            break;
        case 12:
            {   int ret = r_R1(z);
                if (ret == 0) return 0; /* call R1, line 141 */
                if (ret < 0) return ret;
            }
            if (!(out_grouping_b(z, g_v, 97, 251))) return 0;
            {   int ret;
                ret = slice_del(z); /* delete, line 141 */
                if (ret < 0) return ret;
            }
            break;
        case 13:
            {   int ret = r_RV(z);
                if (ret == 0) return 0; /* call RV, line 146 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 3, s_30); /* <-, line 146 */
                if (ret < 0) return ret;
            }
            return 0; /* fail, line 146 */
            break;
        case 14:
            {   int ret = r_RV(z);
                if (ret == 0) return 0; /* call RV, line 147 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 3, s_31); /* <-, line 147 */
                if (ret < 0) return ret;
            }
            return 0; /* fail, line 147 */
            break;
        case 15:
            {   int m_test = z->l - z->c; /* test, line 149 */
                if (!(in_grouping_b(z, g_v, 97, 251))) return 0;
                {   int ret = r_RV(z);
                    if (ret == 0) return 0; /* call RV, line 149 */
                    if (ret < 0) return ret;
                }
                z->c = z->l - m_test;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 149 */
                if (ret < 0) return ret;
            }
            return 0; /* fail, line 149 */
            break;
    }
    return 1;
}
static int r_Step_1b(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 34 */
    among_var = find_among_b(z, a_2, 3); /* substring, line 34 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 34 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret = r_R1(z);
                if (ret == 0) return 0; /* call R1, line 35 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_from_s(z, 2, s_2); /* <-, line 35 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m_test = z->l - z->c; /* test, line 38 */
                while(1) { /* gopast, line 38 */
                    if (!(in_grouping_b_U(z, g_v, 97, 121))) goto lab0;
                    break;
                lab0:
                    {   int c = skip_utf8(z->p, z->c, z->lb, 0, -1);
                        if (c < 0) return 0;
                        z->c = c; /* gopast, line 38 */
                    }
                }
                z->c = z->l - m_test;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 38 */
                if (ret < 0) return ret;
            }
            {   int m_test = z->l - z->c; /* test, line 39 */
                among_var = find_among_b(z, a_1, 13); /* substring, line 39 */
                if (!(among_var)) return 0;
                z->c = z->l - m_test;
            }
            switch(among_var) {
                case 0: return 0;
                case 1:
                    {   int ret;
                        {   int c = z->c;
                            ret = insert_s(z, z->c, z->c, 1, s_3); /* <+, line 41 */
                            z->c = c;
                        }
                        if (ret < 0) return ret;
                    }
                    break;
                case 2:
                    z->ket = z->c; /* [, line 44 */
                    {   int c = skip_utf8(z->p, z->c, z->lb, 0, -1);
                        if (c < 0) return 0;
                        z->c = c; /* next, line 44 */
                    }
                    z->bra = z->c; /* ], line 44 */
                    {   int ret;
                        ret = slice_del(z); /* delete, line 44 */
                        if (ret < 0) return ret;
                    }
                    break;
                case 3:
                    if (z->c != z->I[0]) return 0; /* atmark, line 45 */
                    {   int m_test = z->l - z->c; /* test, line 45 */
                        {   int ret = r_shortv(z);
                            if (ret == 0) return 0; /* call shortv, line 45 */
                            if (ret < 0) return ret;
                        }
                        z->c = z->l - m_test;
                    }
                    {   int ret;
                        {   int c = z->c;
                            ret = insert_s(z, z->c, z->c, 1, s_4); /* <+, line 45 */
                            z->c = c;
                        }
                        if (ret < 0) return ret;
                    }
                    break;
            }
            break;
    }
    return 1;
}
static int r_plur_owner(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 193 */
    among_var = find_among_b(z, a_11, 42); /* substring, line 193 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 193 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 193 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_del(z); /* delete, line 194 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 1, s_24); /* <-, line 195 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 1, s_25); /* <-, line 196 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_del(z); /* delete, line 197 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_del(z); /* delete, line 198 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_del(z); /* delete, line 199 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_from_s(z, 1, s_26); /* <-, line 200 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 1, s_27); /* <-, line 201 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_del(z); /* delete, line 202 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_del(z); /* delete, line 203 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_del(z); /* delete, line 204 */
                if (ret < 0) return ret;
            }
            break;
        case 12:
            {   int ret;
                ret = slice_from_s(z, 1, s_28); /* <-, line 205 */
                if (ret < 0) return ret;
            }
            break;
        case 13:
            {   int ret;
                ret = slice_from_s(z, 1, s_29); /* <-, line 206 */
                if (ret < 0) return ret;
            }
            break;
        case 14:
            {   int ret;
                ret = slice_del(z); /* delete, line 207 */
                if (ret < 0) return ret;
            }
            break;
        case 15:
            {   int ret;
                ret = slice_del(z); /* delete, line 208 */
                if (ret < 0) return ret;
            }
            break;
        case 16:
            {   int ret;
                ret = slice_del(z); /* delete, line 209 */
                if (ret < 0) return ret;
            }
            break;
        case 17:
            {   int ret;
                ret = slice_del(z); /* delete, line 210 */
                if (ret < 0) return ret;
            }
            break;
        case 18:
            {   int ret;
                ret = slice_from_s(z, 1, s_30); /* <-, line 211 */
                if (ret < 0) return ret;
            }
            break;
        case 19:
            {   int ret;
                ret = slice_from_s(z, 1, s_31); /* <-, line 212 */
                if (ret < 0) return ret;
            }
            break;
        case 20:
            {   int ret;
                ret = slice_del(z); /* delete, line 214 */
                if (ret < 0) return ret;
            }
            break;
        case 21:
            {   int ret;
                ret = slice_del(z); /* delete, line 215 */
                if (ret < 0) return ret;
            }
            break;
        case 22:
            {   int ret;
                ret = slice_from_s(z, 1, s_32); /* <-, line 216 */
                if (ret < 0) return ret;
            }
            break;
        case 23:
            {   int ret;
                ret = slice_from_s(z, 1, s_33); /* <-, line 217 */
                if (ret < 0) return ret;
            }
            break;
        case 24:
            {   int ret;
                ret = slice_del(z); /* delete, line 218 */
                if (ret < 0) return ret;
            }
            break;
        case 25:
            {   int ret;
                ret = slice_del(z); /* delete, line 219 */
                if (ret < 0) return ret;
            }
            break;
        case 26:
            {   int ret;
                ret = slice_del(z); /* delete, line 220 */
                if (ret < 0) return ret;
            }
            break;
        case 27:
            {   int ret;
                ret = slice_from_s(z, 1, s_34); /* <-, line 221 */
                if (ret < 0) return ret;
            }
            break;
        case 28:
            {   int ret;
                ret = slice_from_s(z, 1, s_35); /* <-, line 222 */
                if (ret < 0) return ret;
            }
            break;
        case 29:
            {   int ret;
                ret = slice_del(z); /* delete, line 223 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_Step_2(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 58 */
    among_var = find_among_b(z, a_3, 20); /* substring, line 58 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 58 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 58 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 4, s_8); /* <-, line 59 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 4, s_9); /* <-, line 60 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 4, s_10); /* <-, line 61 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_from_s(z, 4, s_11); /* <-, line 62 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 3, s_12); /* <-, line 63 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 1, s_13); /* <-, line 64 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_from_s(z, 3, s_14); /* <-, line 66 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 3, s_15); /* <-, line 68 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_from_s(z, 2, s_16); /* <-, line 69 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_from_s(z, 2, s_17); /* <-, line 71 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_from_s(z, 3, s_18); /* <-, line 72 */
                if (ret < 0) return ret;
            }
            break;
        case 12:
            {   int ret;
                ret = slice_from_s(z, 3, s_19); /* <-, line 74 */
                if (ret < 0) return ret;
            }
            break;
        case 13:
            {   int ret;
                ret = slice_from_s(z, 3, s_20); /* <-, line 76 */
                if (ret < 0) return ret;
            }
            break;
        case 14:
            {   int ret;
                ret = slice_from_s(z, 3, s_21); /* <-, line 77 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_possessive(struct SN_env * z) { /* backwardmode */
    int among_var;

    {   int mlimit1; /* setlimit, line 70 */
        if (z->c < z->I[0]) return 0;
        mlimit1 = z->lb; z->lb = z->I[0];
        z->ket = z->c; /* [, line 70 */
        among_var = find_among_b(z, a_4, 9); /* substring, line 70 */
        if (!(among_var)) { z->lb = mlimit1; return 0; }
        z->bra = z->c; /* ], line 70 */
        z->lb = mlimit1;
    }
    switch (among_var) { /* among, line 71 */
        case 1:
            {   int m2 = z->l - z->c; (void)m2; /* not, line 73 */
                if (z->c <= z->lb || z->p[z->c - 1] != 'k') goto lab0; /* literal, line 73 */
                z->c--;
                return 0;
            lab0:
                z->c = z->l - m2;
            }
            {   int ret = slice_del(z); /* delete, line 73 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret = slice_del(z); /* delete, line 75 */
                if (ret < 0) return ret;
            }
            z->ket = z->c; /* [, line 75 */
            if (!(eq_s_b(z, 3, s_0))) return 0; /* literal, line 75 */
            z->bra = z->c; /* ], line 75 */
            {   int ret = slice_from_s(z, 3, s_1); /* <-, line 75 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret = slice_del(z); /* delete, line 79 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            if (z->c - 1 <= z->lb || z->p[z->c - 1] != 97) return 0; /* among, line 82 */
            if (!(find_among_b(z, a_1, 6))) return 0;
            {   int ret = slice_del(z); /* delete, line 82 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            if (z->c - 2 <= z->lb || z->p[z->c - 1] != 164) return 0; /* among, line 84 */
            if (!(find_among_b(z, a_2, 6))) return 0;
            {   int ret = slice_del(z); /* delete, line 85 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            if (z->c - 2 <= z->lb || z->p[z->c - 1] != 101) return 0; /* among, line 87 */
            if (!(find_among_b(z, a_3, 2))) return 0;
            {   int ret = slice_del(z); /* delete, line 87 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_attached_pronoun(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 68 */
    if (!(find_among_b(z, a_1, 13))) return 0; /* substring, line 68 */
    z->bra = z->c; /* ], line 68 */
    among_var = find_among_b(z, a_2, 11); /* substring, line 72 */
    if (!(among_var)) return 0;
    {   int ret = r_RV(z);
        if (ret == 0) return 0; /* call RV, line 72 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            z->bra = z->c; /* ], line 73 */
            {   int ret;
                ret = slice_from_s(z, 5, s_5); /* <-, line 73 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            z->bra = z->c; /* ], line 74 */
            {   int ret;
                ret = slice_from_s(z, 4, s_6); /* <-, line 74 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            z->bra = z->c; /* ], line 75 */
            {   int ret;
                ret = slice_from_s(z, 2, s_7); /* <-, line 75 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            z->bra = z->c; /* ], line 76 */
            {   int ret;
                ret = slice_from_s(z, 2, s_8); /* <-, line 76 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            z->bra = z->c; /* ], line 77 */
            {   int ret;
                ret = slice_from_s(z, 2, s_9); /* <-, line 77 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_del(z); /* delete, line 81 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            if (!(eq_s_b(z, 1, s_10))) return 0;
            {   int ret;
                ret = slice_del(z); /* delete, line 82 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}
static int r_standard_suffix(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 104 */
    among_var = find_among_b(z, a_6, 49); /* substring, line 104 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 104 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            if (!r_R2(z)) return 0; /* call R2, line 110 */
            slice_del(z); /* delete, line 110 */
            break;
        case 2:
            if (!r_R2(z)) return 0; /* call R2, line 112 */
            slice_del(z); /* delete, line 112 */
            {   int m = z->l - z->c; /* try, line 113 */
                z->ket = z->c; /* [, line 113 */
                if (!(eq_s_b(z, 2, s_13))) { z->c = z->l - m; goto lab0; }
                z->bra = z->c; /* ], line 113 */
                if (!r_R2(z)) { z->c = z->l - m; goto lab0; } /* call R2, line 113 */
                slice_del(z); /* delete, line 113 */
            lab0:
                ;
            }
            break;
        case 3:
            if (!r_R2(z)) return 0; /* call R2, line 116 */
            slice_from_s(z, 3, s_14); /* <-, line 116 */
            break;
        case 4:
            if (!r_R2(z)) return 0; /* call R2, line 118 */
            slice_from_s(z, 1, s_15); /* <-, line 118 */
            break;
        case 5:
            if (!r_R2(z)) return 0; /* call R2, line 120 */
            slice_from_s(z, 4, s_16); /* <-, line 120 */
            break;
        case 6:
            if (!r_RV(z)) return 0; /* call RV, line 122 */
            slice_del(z); /* delete, line 122 */
            break;
        case 7:
            if (!r_R1(z)) return 0; /* call R1, line 124 */
            slice_del(z); /* delete, line 124 */
            {   int m = z->l - z->c; /* try, line 125 */
                z->ket = z->c; /* [, line 126 */
                among_var = find_among_b(z, a_4, 4); /* substring, line 126 */
                if (!(among_var)) { z->c = z->l - m; goto lab1; }
                z->bra = z->c; /* ], line 126 */
                if (!r_R2(z)) { z->c = z->l - m; goto lab1; } /* call R2, line 126 */
                slice_del(z); /* delete, line 126 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab1; }
                    case 1:
                        z->ket = z->c; /* [, line 127 */
                        if (!(eq_s_b(z, 2, s_17))) { z->c = z->l - m; goto lab1; }
                        z->bra = z->c; /* ], line 127 */
                        if (!r_R2(z)) { z->c = z->l - m; goto lab1; } /* call R2, line 127 */
                        slice_del(z); /* delete, line 127 */
                        break;
                }
            lab1:
                ;
            }
            break;
        case 8:
            if (!r_R2(z)) return 0; /* call R2, line 133 */
            slice_del(z); /* delete, line 133 */
            {   int m = z->l - z->c; /* try, line 134 */
                z->ket = z->c; /* [, line 135 */
                among_var = find_among_b(z, a_5, 3); /* substring, line 135 */
                if (!(among_var)) { z->c = z->l - m; goto lab2; }
                z->bra = z->c; /* ], line 135 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab2; }
                    case 1:
                        if (!r_R2(z)) { z->c = z->l - m; goto lab2; } /* call R2, line 136 */
                        slice_del(z); /* delete, line 136 */
                        break;
                }
            lab2:
                ;
            }
            break;
        case 9:
            if (!r_R2(z)) return 0; /* call R2, line 141 */
            slice_del(z); /* delete, line 141 */
            {   int m = z->l - z->c; /* try, line 142 */
                z->ket = z->c; /* [, line 142 */
                if (!(eq_s_b(z, 2, s_18))) { z->c = z->l - m; goto lab3; }
                z->bra = z->c; /* ], line 142 */
                if (!r_R2(z)) { z->c = z->l - m; goto lab3; } /* call R2, line 142 */
                slice_del(z); /* delete, line 142 */
                z->ket = z->c; /* [, line 142 */
                if (!(eq_s_b(z, 2, s_19))) { z->c = z->l - m; goto lab3; }
                z->bra = z->c; /* ], line 142 */
                if (!r_R2(z)) { z->c = z->l - m; goto lab3; } /* call R2, line 142 */
                slice_del(z); /* delete, line 142 */
            lab3:
                ;
            }
            break;
    }
    return 1;
}
static int r_remove_first_order_prefix(struct SN_env * z) { /* forwardmode */
    int among_var;
    z->bra = z->c; /* [, line 146 */
    if (z->c + 1 >= z->l || (z->p[z->c + 1] != 105 && z->p[z->c + 1] != 101)) return 0; /* substring, line 146 */
    among_var = find_among(z, a_3, 12);
    if (!(among_var)) return 0;
    z->ket = z->c; /* ], line 146 */
    switch (among_var) { /* among, line 146 */
        case 1:
            {   int ret = slice_del(z); /* delete, line 147 */
                if (ret < 0) return ret;
            }
            z->I[1] = 1; /* $prefix = <integer expression>, line 147 */
            z->I[0] -= 1; /* $measure -= <integer expression>, line 147 */
            break;
        case 2:
            {   int ret = slice_del(z); /* delete, line 148 */
                if (ret < 0) return ret;
            }
            z->I[1] = 3; /* $prefix = <integer expression>, line 148 */
            z->I[0] -= 1; /* $measure -= <integer expression>, line 148 */
            break;
        case 3:
            z->I[1] = 1; /* $prefix = <integer expression>, line 149 */
            {   int ret = slice_from_s(z, 1, s_1); /* <-, line 149 */
                if (ret < 0) return ret;
            }
            z->I[0] -= 1; /* $measure -= <integer expression>, line 149 */
            break;
        case 4:
            z->I[1] = 3; /* $prefix = <integer expression>, line 150 */
            {   int ret = slice_from_s(z, 1, s_2); /* <-, line 150 */
                if (ret < 0) return ret;
            }
            z->I[0] -= 1; /* $measure -= <integer expression>, line 150 */
            break;
        case 5:
            z->I[1] = 1; /* $prefix = <integer expression>, line 151 */
            z->I[0] -= 1; /* $measure -= <integer expression>, line 151 */
            {   int c1 = z->c; /* or, line 151 */
                {   int c2 = z->c; /* and, line 151 */
                    if (in_grouping_U(z, g_vowel, 97, 117, 0)) goto lab1; /* grouping vowel, line 151 */
                    z->c = c2;
                    {   int ret = slice_from_s(z, 1, s_3); /* <-, line 151 */
                        if (ret < 0) return ret;
                    }
                }
                goto lab0;
            lab1:
                z->c = c1;
                {   int ret = slice_del(z); /* delete, line 151 */
                    if (ret < 0) return ret;
                }
            }
        lab0:
            break;
        case 6:
            z->I[1] = 3; /* $prefix = <integer expression>, line 152 */
            z->I[0] -= 1; /* $measure -= <integer expression>, line 152 */
            {   int c3 = z->c; /* or, line 152 */
                {   int c4 = z->c; /* and, line 152 */
                    if (in_grouping_U(z, g_vowel, 97, 117, 0)) goto lab3; /* grouping vowel, line 152 */
                    z->c = c4;
                    {   int ret = slice_from_s(z, 1, s_4); /* <-, line 152 */
                        if (ret < 0) return ret;
                    }
                }
                goto lab2;
            lab3:
                z->c = c3;
                {   int ret = slice_del(z); /* delete, line 152 */
                    if (ret < 0) return ret;
                }
            }
        lab2:
            break;
    }
    return 1;
}
static int r_standard_suffix(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 77 */
    among_var = find_among_b(z, a_5, 42); /* substring, line 77 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 77 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            if (!r_R2(z)) return 0; /* call R2, line 92 */
            slice_del(z); /* delete, line 92 */
            break;
        case 2:
            if (!r_R2(z)) return 0; /* call R2, line 97 */
            slice_from_s(z, 3, s_4); /* <-, line 97 */
            break;
        case 3:
            if (!r_R2(z)) return 0; /* call R2, line 101 */
            slice_from_s(z, 1, s_5); /* <-, line 101 */
            break;
        case 4:
            if (!r_R2(z)) return 0; /* call R2, line 105 */
            slice_from_s(z, 4, s_6); /* <-, line 105 */
            break;
        case 5:
            if (!r_R1(z)) return 0; /* call R1, line 109 */
            slice_del(z); /* delete, line 109 */
            {   int m = z->l - z->c; /* try, line 110 */
                z->ket = z->c; /* [, line 111 */
                among_var = find_among_b(z, a_2, 4); /* substring, line 111 */
                if (!(among_var)) { z->c = z->l - m; goto lab0; }
                z->bra = z->c; /* ], line 111 */
                if (!r_R2(z)) { z->c = z->l - m; goto lab0; } /* call R2, line 111 */
                slice_del(z); /* delete, line 111 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab0; }
                    case 1:
                        z->ket = z->c; /* [, line 112 */
                        if (!(eq_s_b(z, 2, s_7))) { z->c = z->l - m; goto lab0; }
                        z->bra = z->c; /* ], line 112 */
                        if (!r_R2(z)) { z->c = z->l - m; goto lab0; } /* call R2, line 112 */
                        slice_del(z); /* delete, line 112 */
                        break;
                }
            lab0:
                ;
            }
            break;
        case 6:
            if (!r_R2(z)) return 0; /* call R2, line 121 */
            slice_del(z); /* delete, line 121 */
            {   int m = z->l - z->c; /* try, line 122 */
                z->ket = z->c; /* [, line 123 */
                among_var = find_among_b(z, a_3, 2); /* substring, line 123 */
                if (!(among_var)) { z->c = z->l - m; goto lab1; }
                z->bra = z->c; /* ], line 123 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab1; }
                    case 1:
                        if (!r_R2(z)) { z->c = z->l - m; goto lab1; } /* call R2, line 125 */
                        slice_del(z); /* delete, line 125 */
                        break;
                }
            lab1:
                ;
            }
            break;
        case 7:
            if (!r_R2(z)) return 0; /* call R2, line 132 */
            slice_del(z); /* delete, line 132 */
            {   int m = z->l - z->c; /* try, line 133 */
                z->ket = z->c; /* [, line 134 */
                among_var = find_among_b(z, a_4, 3); /* substring, line 134 */
                if (!(among_var)) { z->c = z->l - m; goto lab2; }
                z->bra = z->c; /* ], line 134 */
                switch(among_var) {
                    case 0: { z->c = z->l - m; goto lab2; }
                    case 1:
                        if (!r_R2(z)) { z->c = z->l - m; goto lab2; } /* call R2, line 137 */
                        slice_del(z); /* delete, line 137 */
                        break;
                }
            lab2:
                ;
            }
            break;
        case 8:
            if (!r_R2(z)) return 0; /* call R2, line 144 */
            slice_del(z); /* delete, line 144 */
            {   int m = z->l - z->c; /* try, line 145 */
                z->ket = z->c; /* [, line 146 */
                if (!(eq_s_b(z, 2, s_8))) { z->c = z->l - m; goto lab3; }
                z->bra = z->c; /* ], line 146 */
                if (!r_R2(z)) { z->c = z->l - m; goto lab3; } /* call R2, line 146 */
                slice_del(z); /* delete, line 146 */
            lab3:
                ;
            }
            break;
        case 9:
            if (!r_RV(z)) return 0; /* call RV, line 151 */
            if (!(eq_s_b(z, 1, s_9))) return 0;
            slice_from_s(z, 2, s_10); /* <-, line 152 */
            break;
    }
    return 1;
}
static int r_prelude(struct SN_env * z) {
    int among_var;
    {   int c_test = z->c; /* test, line 35 */
        while(1) { /* repeat, line 35 */
            int c = z->c;
            z->bra = z->c; /* [, line 36 */
            among_var = find_among(z, a_0, 7); /* substring, line 36 */
            if (!(among_var)) goto lab0;
            z->ket = z->c; /* ], line 36 */
            switch(among_var) {
                case 0: goto lab0;
                case 1:
                    slice_from_s(z, 1, s_0); /* <-, line 37 */
                    break;
                case 2:
                    slice_from_s(z, 1, s_1); /* <-, line 38 */
                    break;
                case 3:
                    slice_from_s(z, 1, s_2); /* <-, line 39 */
                    break;
                case 4:
                    slice_from_s(z, 1, s_3); /* <-, line 40 */
                    break;
                case 5:
                    slice_from_s(z, 1, s_4); /* <-, line 41 */
                    break;
                case 6:
                    slice_from_s(z, 2, s_5); /* <-, line 42 */
                    break;
                case 7:
                    if (z->c >= z->l) goto lab0;
                    z->c++; /* next, line 43 */
                    break;
            }
            continue;
        lab0:
            z->c = c;
            break;
        }
        z->c = c_test;
    }
    while(1) { /* repeat, line 46 */
        int c = z->c;
        while(1) { /* goto, line 46 */
            int c = z->c;
            if (!(in_grouping(z, g_v, 97, 249))) goto lab2;
            z->bra = z->c; /* [, line 47 */
            {   int c = z->c; /* or, line 47 */
                if (!(eq_s(z, 1, s_6))) goto lab4;
                z->ket = z->c; /* ], line 47 */
                if (!(in_grouping(z, g_v, 97, 249))) goto lab4;
                slice_from_s(z, 1, s_7); /* <-, line 47 */
                goto lab3;
            lab4:
                z->c = c;
                if (!(eq_s(z, 1, s_8))) goto lab2;
                z->ket = z->c; /* ], line 48 */
                if (!(in_grouping(z, g_v, 97, 249))) goto lab2;
                slice_from_s(z, 1, s_9); /* <-, line 48 */
            }
        lab3:
            z->c = c;
            break;
        lab2:
            z->c = c;
            if (z->c >= z->l) goto lab1;
            z->c++;
        }
        continue;
    lab1:
        z->c = c;
        break;
    }
    return 1;
}
extern int french_ISO_8859_1_stem(struct SN_env * z) {
    {   int c = z->c; /* do, line 214 */
        {   int ret = r_prelude(z);
            if (ret == 0) goto lab0; /* call prelude, line 214 */
            if (ret < 0) return ret;
        }
    lab0:
        z->c = c;
    }
    {   int c = z->c; /* do, line 215 */
        {   int ret = r_mark_regions(z);
            if (ret == 0) goto lab1; /* call mark_regions, line 215 */
            if (ret < 0) return ret;
        }
    lab1:
        z->c = c;
    }
    z->lb = z->c; z->c = z->l; /* backwards, line 216 */

    {   int m = z->l - z->c; (void) m; /* do, line 218 */
        {   int m = z->l - z->c; (void) m; /* or, line 228 */
            {   int m = z->l - z->c; (void) m; /* and, line 224 */
                {   int m = z->l - z->c; (void) m; /* or, line 220 */
                    {   int ret = r_standard_suffix(z);
                        if (ret == 0) goto lab6; /* call standard_suffix, line 220 */
                        if (ret < 0) return ret;
                    }
                    goto lab5;
                lab6:
                    z->c = z->l - m;
                    {   int ret = r_i_verb_suffix(z);
                        if (ret == 0) goto lab7; /* call i_verb_suffix, line 221 */
                        if (ret < 0) return ret;
                    }
                    goto lab5;
                lab7:
                    z->c = z->l - m;
                    {   int ret = r_verb_suffix(z);
                        if (ret == 0) goto lab4; /* call verb_suffix, line 222 */
                        if (ret < 0) return ret;
                    }
                }
            lab5:
                z->c = z->l - m;
                {   int m = z->l - z->c; (void) m; /* try, line 225 */
                    z->ket = z->c; /* [, line 225 */
                    {   int m = z->l - z->c; (void) m; /* or, line 225 */
                        if (!(eq_s_b(z, 1, s_41))) goto lab10;
                        z->bra = z->c; /* ], line 225 */
                        {   int ret;
                            ret = slice_from_s(z, 1, s_42); /* <-, line 225 */
                            if (ret < 0) return ret;
                        }
                        goto lab9;
                    lab10:
                        z->c = z->l - m;
                        if (!(eq_s_b(z, 1, s_43))) { z->c = z->l - m; goto lab8; }
                        z->bra = z->c; /* ], line 226 */
                        {   int ret;
                            ret = slice_from_s(z, 1, s_44); /* <-, line 226 */
                            if (ret < 0) return ret;
                        }
                    }
                lab9:
                lab8:
                    ;
                }
            }
            goto lab3;
        lab4:
            z->c = z->l - m;
            {   int ret = r_residual_suffix(z);
                if (ret == 0) goto lab2; /* call residual_suffix, line 229 */
                if (ret < 0) return ret;
            }
        }
    lab3:
    lab2:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 234 */
        {   int ret = r_un_double(z);
            if (ret == 0) goto lab11; /* call un_double, line 234 */
            if (ret < 0) return ret;
        }
    lab11:
        z->c = z->l - m;
    }
    {   int m = z->l - z->c; (void) m; /* do, line 235 */
        {   int ret = r_un_accent(z);
            if (ret == 0) goto lab12; /* call un_accent, line 235 */
            if (ret < 0) return ret;
        }
    lab12:
        z->c = z->l - m;
    }
    z->c = z->lb;
    {   int c = z->c; /* do, line 237 */
        {   int ret = r_postlude(z);
            if (ret == 0) goto lab13; /* call postlude, line 237 */
            if (ret < 0) return ret;
        }
    lab13:
        z->c = c;
    }
    return 1;
}