    errcode            64 libglibc/regex.c # define regerror(errcode, preg, errbuf, errbuf_size) \
    errcode            65 libglibc/regex.c 	__regerror(errcode, preg, errbuf, errbuf_size)
    errcode          5815 libglibc/regex.c regerror (errcode, preg, errbuf, errbuf_size)
    errcode          5816 libglibc/regex.c     int errcode;
    errcode          5824 libglibc/regex.c   if (errcode < 0
    errcode          5825 libglibc/regex.c       || errcode >= (int) (sizeof (re_error_msgid_idx)
    errcode          5833 libglibc/regex.c   msg = gettext (re_error_msgid + re_error_msgid_idx[errcode]);