extern int H_stem(struct SN_env * z) {
    {   int c1 = z->c; /* do, line 133 */
        {   int ret = r_prefixes(z);
            if (ret == 0) goto lab0; /* call prefixes, line 133 */
            if (ret < 0) return ret;
        }
lab0:
        z->c = c1;
    }
    z->lb = z->c;
    z->c = z->l; /* backwards, line 135 */

    {   int m2 = z->l - z->c;
        (void)m2; /* do, line 136 */
        {   int ret = r_Step_1a(z);
            if (ret == 0) goto lab1; /* call Step_1a, line 136 */
            if (ret < 0) return ret;
        }
lab1:
        z->c = z->l - m2;
    }
    z->c = z->lb;
    z->lb = z->c;
    z->c = z->l; /* backwards, line 138 */

    {   int m3 = z->l - z->c;
        (void)m3; /* do, line 139 */
        {   int ret = r_Step_1b(z);
            if (ret == 0) goto lab2; /* call Step_1b, line 139 */
            if (ret < 0) return ret;
        }
lab2:
        z->c = z->l - m3;
    }
    z->c = z->lb;
    {   int c4 = z->c; /* do, line 141 */
        {   int ret = r_exceptions(z);
            if (ret == 0) goto lab3; /* call exceptions, line 141 */
            if (ret < 0) return ret;
        }
lab3:
        z->c = c4;
    }
    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;
}
extern int english_ISO_8859_1_stem(struct SN_env * z) {
    {   int c = z->c; /* or, line 206 */
        {   int ret = r_exception1(z);
            if (ret == 0) goto lab1; /* call exception1, line 206 */
            if (ret < 0) return ret;
        }
        goto lab0;
    lab1:
        z->c = c;
        {   int c = z->c; /* not, line 207 */
            {   int c = z->c + 3;
                if (0 > c || c > z->l) goto lab3;
                z->c = c; /* hop, line 207 */
            }
            goto lab2;
        lab3:
            z->c = c;
        }
        goto lab0;
    lab2:
        z->c = c;
        {   int c = z->c; /* do, line 208 */
            {   int ret = r_prelude(z);
                if (ret == 0) goto lab4; /* call prelude, line 208 */
                if (ret < 0) return ret;
            }
        lab4:
            z->c = c;
        }
        {   int c = z->c; /* do, line 209 */
            {   int ret = r_mark_regions(z);
                if (ret == 0) goto lab5; /* call mark_regions, line 209 */
                if (ret < 0) return ret;
            }
        lab5:
            z->c = c;
        }
        z->lb = z->c; z->c = z->l; /* backwards, line 210 */

        {   int m = z->l - z->c; (void) m; /* do, line 212 */
            {   int ret = r_Step_1a(z);
                if (ret == 0) goto lab6; /* call Step_1a, line 212 */
                if (ret < 0) return ret;
            }
        lab6:
            z->c = z->l - m;
        }
        {   int m = z->l - z->c; (void) m; /* or, line 214 */
            {   int ret = r_exception2(z);
                if (ret == 0) goto lab8; /* call exception2, line 214 */
                if (ret < 0) return ret;
            }
            goto lab7;
        lab8:
            z->c = z->l - m;
            {   int m = z->l - z->c; (void) m; /* do, line 216 */
                {   int ret = r_Step_1b(z);
                    if (ret == 0) goto lab9; /* call Step_1b, line 216 */
                    if (ret < 0) return ret;
                }
            lab9:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 217 */
                {   int ret = r_Step_1c(z);
                    if (ret == 0) goto lab10; /* call Step_1c, line 217 */
                    if (ret < 0) return ret;
                }
            lab10:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 219 */
                {   int ret = r_Step_2(z);
                    if (ret == 0) goto lab11; /* call Step_2, line 219 */
                    if (ret < 0) return ret;
                }
            lab11:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 220 */
                {   int ret = r_Step_3(z);
                    if (ret == 0) goto lab12; /* call Step_3, line 220 */
                    if (ret < 0) return ret;
                }
            lab12:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 221 */
                {   int ret = r_Step_4(z);
                    if (ret == 0) goto lab13; /* call Step_4, line 221 */
                    if (ret < 0) return ret;
                }
            lab13:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 223 */
                {   int ret = r_Step_5(z);
                    if (ret == 0) goto lab14; /* call Step_5, line 223 */
                    if (ret < 0) return ret;
                }
            lab14:
                z->c = z->l - m;
            }
        }
    lab7:
        z->c = z->lb;
        {   int c = z->c; /* do, line 226 */
            {   int ret = r_postlude(z);
                if (ret == 0) goto lab15; /* call postlude, line 226 */
                if (ret < 0) return ret;
            }
        lab15:
            z->c = c;
        }
    }
lab0:
    return 1;
}