group_match_null_string_p

    group_match_null_string_p 3634 modules/up/src/Core/gnu/regex.c               = group_match_null_string_p (&p1, pend, reg_info);
    group_match_null_string_p 4550 modules/up/src/Core/gnu/regex.c       ret = group_match_null_string_p (&p1, end, reg_info);
    group_match_null_string_p 3634 modules/up/src/gnug++/regex.c               = group_match_null_string_p (&p1, pend, reg_info);
    group_match_null_string_p 4550 modules/up/src/gnug++/regex.c       ret = group_match_null_string_p (&p1, end, reg_info);