1#define SO_DEBUG 1 2#define SO_REUSEADDR 2 3#define SO_TYPE 3 4#define SO_ERROR 4 5#define SO_DONTROUTE 5 6#define SO_BROADCAST 6 7#define SO_SNDBUF 7 8#define SO_RCVBUF 8 9#define SO_KEEPALIVE 9 10#define SO_OOBINLINE 10 11#define SO_NO_CHECK 11 12#define SO_PRIORITY 12 13#define SO_LINGER 13 14#define SO_BSDCOMPAT 14 15#define SO_REUSEPORT 15 16#define SO_RCVLOWAT 16 17#define SO_SNDLOWAT 17 18#define SO_PASSCRED 20 19#define SO_PEERCRED 21 20#define SO_ACCEPTCONN 30 21#define SO_PEERSEC 31 22#define SO_SNDBUFFORCE 32 23#define SO_RCVBUFFORCE 33 24#define SO_PROTOCOL 38 25#define SO_DOMAIN 39 26