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