This enumerated type is used within the ICCHEADER structure to indicate the profile class.
typedef enum{InputClass = 0x73636E72L, /* 'scnr' */DisplayClass = 0x6D6E7472L, /* 'mntr' */OutputClass = 0x70727472L, /* 'prtr' */DeviceLinkClass = 0x6C696E6BL, /* 'link' */AbstractClass = 0x61627374L, /* 'abst' */ColorSpaceClass = 0x73706163L, /* 'spac' */NamedColorClass = 0x6E6D636CL /* 'nmcl' */} ICCPROFILECLASS;