8 socklen_t msg_controllen;
20 #define SO_REUSEADDR 2
23 #define SO_DONTROUTE 5
24 #define SO_BROADCAST 6
27 #define SO_SNDBUFFORCE 32
28 #define SO_RCVBUFFORCE 33
29 #define SO_KEEPALIVE 9
30 #define SO_OOBINLINE 10
31 #define SO_NO_CHECK 11
32 #define SO_PRIORITY 12
34 #define SO_BSDCOMPAT 14
35 #define SO_REUSEPORT 15
36 #define SO_RCVLOWAT 16
37 #define SO_SNDLOWAT 17
38 #define SO_RCVTIMEO 18
39 #define SO_SNDTIMEO 19
40 #define SO_PASSCRED 20
41 #define SO_PEERCRED 21