common_op_match_null_string_p 3671 regex.cpp      static boolean common_op_match_null_string_p(unsigned char **p,
common_op_match_null_string_p 5202 regex.cpp                if (!common_op_match_null_string_p (&p1, end, reg_info))
common_op_match_null_string_p 5237 regex.cpp                if (!common_op_match_null_string_p (&p1, end, reg_info))