#define SO_SNDTIMEO 0x1005 /* send timeout */
#define SO_RCVTIMEO 0x1006 /* receive timeout */
#define SO_ACCEPTCONN 0x1009
+#define SO_PROTOCOL 0x1028 /* protocol type */
/* linux-specific, might as well be the same as on i386 */
#define SO_NO_CHECK 11