re_search_stub    321 lib/regexec.c    return re_search_stub (bufp, string, length, start, 0, length, regs, true);
re_search_stub    335 lib/regexec.c    return re_search_stub (bufp, string, length, start, range, length, regs,
re_search_stub    411 lib/regexec.c    rval = re_search_stub (bufp, str, len, start, range, stop, regs,