MSG_CMSG_COMPAT
#define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */
#define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */
#define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */
#define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */