MAGIC1 174 ext/ereg/regex/regcomp.c preg->re_magic = MAGIC1; MAGIC1 127 ext/ereg/regex/regexec.c if (preg->re_magic != MAGIC1 || g->magic != MAGIC2) MAGIC1 19 ext/ereg/regex/regfree.c if (preg->re_magic != MAGIC1) /* oops */