optstr_len       3574 ext/mbstring/mbstring.c 	size_t optstr_len;
optstr_len       3582 ext/mbstring/mbstring.c 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|ss", (char **)&string.val, &string_len, &optstr, &optstr_len, &encname, &encname_len) == FAILURE) {
optstr_len       3596 ext/mbstring/mbstring.c 		int n = optstr_len;