optstr_len       3414 ext/mbstring/mbstring.c 	int optstr_len;
optstr_len       3422 ext/mbstring/mbstring.c 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|ss", (char **)&string.val, &string.len, &optstr, &optstr_len, &encname, &encname_len) == FAILURE) {
optstr_len       3429 ext/mbstring/mbstring.c 		int n = optstr_len;