Define masks your application can use to set or test various bits in the
flags field of the
flags field of the structure
CM2Header is an unsigned long value whose bits specify information about a profile. The ICC reserves the use of bits 0 to 15 and has assigned values to bits 0 and 1. Bits 16 to 31 are reserved for use by color management system (CMS) vendors. ColorSync has assigned values to bits 16 through 19.