chunk_t *chunk_get_next_str(chunk_t *cur, const char *str, size_t len, int level, nav_t nav) { return(chunk_search_str(cur, str, len, nav, AFTER, level)); }
chunk_t *chunk_get_prev_str(chunk_t *cur, const char *str, size_t len, int level, nav_t nav) { return(chunk_search_str(cur, str, len, nav, BEFORE, level)); }
chunk_t *chunk_get_prev_str(chunk_t *cur, const char *str, size_t len, int level, scope_e scope) { return(chunk_search_str(cur, str, len, scope, direction_e::BACKWARD, level)); }