#[allow(non_snake_case)]
#[macro_export]
macro_rules! isgray {
($x:expr) => {
$crate::macros::testbits::testbits(
(*$x).gch.marked as i32,
$crate::macros::whitebits::WHITEBITS
| $crate::macros::bitmask::bitmask($crate::macros::blackbit::BLACKBIT as i32),
) == 0
};
}
pub use isgray;