chunk_t *chunk_get_prev_ncnlnp(chunk_t *cur, nav_t nav) { return(chunk_get_ncnlnp(cur, nav, BEFORE)); }
chunk_t *chunk_get_prev_ncnlnp(chunk_t *cur, scope_e scope) { return(chunk_get_ncnlnp(cur, scope, direction_e::BACKWARD)); }
chunk_t *chunk_get_next_ncnlnp(chunk_t *cur, nav_t nav) { return(chunk_get_ncnlnp(cur, nav, AFTER)); }
chunk_t *chunk_get_next_ncnlnp(chunk_t *cur, scope_e scope) { return(chunk_get_ncnlnp(cur, scope, direction_e::FORWARD)); }