prev_syntax      1415 ext/mbstring/php_mbregex.c static void _php_mb_regex_set_options(OnigOptionType options, OnigSyntaxType *syntax, OnigOptionType *prev_options, OnigSyntaxType **prev_syntax)
prev_syntax      1420 ext/mbstring/php_mbregex.c 	if (prev_syntax != NULL) {
prev_syntax      1421 ext/mbstring/php_mbregex.c 		*prev_syntax = MBREX(regex_default_syntax);