Constant haiku_sys::B_GRAYSCALE_8_BIT_TYPE

pub const B_GRAYSCALE_8_BIT_TYPE: u32 = (('G' as u32) << 24) + (('R' as u32) << 16) + (('Y' as u32) << 8) + 'B' as u32; // 1_196_579_138u32