parg              580 ext/mbstring/php_mbregex.c _php_mb_regex_init_options(const char *parg, int narg, OnigOptionType *option, OnigSyntaxType **syntax, int *eval) 
parg              588 ext/mbstring/php_mbregex.c 	if (parg != NULL) {
parg              591 ext/mbstring/php_mbregex.c 			c = parg[n++];