common_op_match_null_string_p 4471 modules/up/src/Core/gnu/regex.c           if (!common_op_match_null_string_p (&p1, end, reg_info))
common_op_match_null_string_p 4507 modules/up/src/Core/gnu/regex.c           if (!common_op_match_null_string_p (&p1, end, reg_info))
common_op_match_null_string_p 4469 modules/up/src/gnug++/regex.c           if (!common_op_match_null_string_p (&p1, end, reg_info))
common_op_match_null_string_p 4505 modules/up/src/gnug++/regex.c           if (!common_op_match_null_string_p (&p1, end, reg_info))