7 socklen_t msg_controllen;
20 #define SOL_SOCKET 65535
24 #define SO_REUSEADDR 0x0004
25 #define SO_KEEPALIVE 0x0008
26 #define SO_DONTROUTE 0x0010
27 #define SO_BROADCAST 0x0020
28 #define SO_LINGER 0x0080
29 #define SO_OOBINLINE 0x0100
30 #define SO_REUSEPORT 0x0200
31 #define SO_SNDBUF 0x1001
32 #define SO_RCVBUF 0x1002
33 #define SO_SNDLOWAT 0x1003
34 #define SO_RCVLOWAT 0x1004
35 #define SO_RCVTIMEO 0x1006
36 #define SO_SNDTIMEO 0x1005
37 #define SO_ERROR 0x1007
38 #define SO_TYPE 0x1008
39 #define SO_ACCEPTCONN 0x1009
40 #define SO_PROTOCOL 0x1028
41 #define SO_DOMAIN 0x1029
43 #define SO_NO_CHECK 11
44 #define SO_PRIORITY 12
45 #define SO_BSDCOMPAT 14
46 #define SO_PASSCRED 17
47 #define SO_PEERCRED 18
48 #define SO_SNDBUFFORCE 31
49 #define SO_RCVBUFFORCE 33
51 #define SOCK_NONBLOCK 0200
52 #define SOCK_CLOEXEC 02000000