1#define SOCK_STREAM    2
 2#define SOCK_DGRAM     1
 3#define SOL_SOCKET     65535
 4#define SO_DEBUG       1
 5
 6#define SO_REUSEADDR    0x0004
 7#define SO_KEEPALIVE    0x0008
 8#define SO_DONTROUTE    0x0010
 9#define SO_BROADCAST    0x0020
10#define SO_LINGER       0x0080
11#define SO_OOBINLINE    0x0100
12#define SO_REUSEPORT    0x0200
13#define SO_SNDBUF       0x1001
14#define SO_RCVBUF       0x1002
15#define SO_SNDLOWAT     0x1003
16#define SO_RCVLOWAT     0x1004
17#define SO_RCVTIMEO     0x1006
18#define SO_SNDTIMEO     0x1005
19#define SO_ERROR        0x1007
20#define SO_TYPE         0x1008
21#define SO_ACCEPTCONN   0x1009
22#define SO_PROTOCOL     0x1028
23#define SO_DOMAIN       0x1029
24
25#define SO_NO_CHECK     11
26#define SO_PRIORITY     12
27#define SO_BSDCOMPAT    14
28#define SO_PASSCRED     17
29#define SO_PEERCRED     18
30#define SO_PEERSEC      30
31#define SO_SNDBUFFORCE  31
32#define SO_RCVBUFFORCE  33
33
34#define SOCK_NONBLOCK     0200
35#define SOCK_CLOEXEC  02000000