alt_match_null_string_p

    alt_match_null_string_p 4424 modules/up/src/Core/gnu/regex.c                   if (!alt_match_null_string_p (p1, p1 + mcnt - 3,
    alt_match_null_string_p 4454 modules/up/src/Core/gnu/regex.c               if (!alt_match_null_string_p (p1, p1 + mcnt, reg_info))
    alt_match_null_string_p 4424 modules/up/src/gnug++/regex.c                   if (!alt_match_null_string_p (p1, p1 + mcnt - 3,
    alt_match_null_string_p 4454 modules/up/src/gnug++/regex.c               if (!alt_match_null_string_p (p1, p1 + mcnt, reg_info))