    R                1521 libglibc/regex.c #define REG_MATCH_NULL_STRING_P(R)  ((R).bits.match_null_string_p)
    R                1522 libglibc/regex.c #define IS_ACTIVE(R)  ((R).bits.is_active)
    R                1523 libglibc/regex.c #define MATCHED_SOMETHING(R)  ((R).bits.matched_something)
    R                1524 libglibc/regex.c #define EVER_MATCHED_SOMETHING(R)  ((R).bits.ever_matched_something)