alt_match_null_string_p 3668 regex.cpp static boolean alt_match_null_string_p(unsigned char *p, alt_match_null_string_p 5157 regex.cpp if (!alt_match_null_string_p (p1, p1 + mcnt - 3, alt_match_null_string_p 5187 regex.cpp if (!alt_match_null_string_p (p1, p1 + mcnt, reg_info))