MAGIC1            182 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 */