P99_BRACES P99_BRACKETS P99_CHS P99_DUPL P99_PARENS P99_REP P99_SELS P99_SKP P99_SUB

P99_PARENS #define P99_PARENS (   ... )    P99_PASTE2(P00_PARENS_, P99_IS_LT(P99_NARG(__VA_ARGS__), 1))(P99_NARG(__VA_ARGS__), __VA_ARGS__)