?? socket.h
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#ifndef _LINUX_SOCKET_H#define _LINUX_SOCKET_H#include <linux/sockios.h> /* the SIOCxxx I/O controls */struct sockaddr { unsigned short sa_family; /* address family, AF_xxx */ char sa_data[14]; /* 14 bytes of protocol address */};struct linger { int l_onoff; /* Linger active */ int l_linger; /* How long to linger for */};/* Socket types. */#define SOCK_STREAM 1 /* stream (connection) socket */#define SOCK_DGRAM 2 /* datagram (conn.less) socket */#define SOCK_RAW 3 /* raw socket */#define SOCK_RDM 4 /* reliably-delivered message */#define SOCK_SEQPACKET 5 /* sequential packet socket */#define SOCK_PACKET 10 /* linux specific way of */ /* getting packets at the dev */ /* level. For writing rarp and */ /* other similiar things on the */ /* user level. *//* Supported address families. */#define AF_UNSPEC 0#define AF_UNIX 1#define AF_INET 2#define AF_AX25 3#define AF_IPX 4/* Protocol families, same as address families. */#define PF_UNIX AF_UNIX#define PF_INET AF_INET#define PF_AX25 AF_AX25#define PF_IPX AF_IPX/* Flags we can use with send/ and recv. */#define MSG_OOB 1#define MSG_PEEK 2/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */#define SOL_SOCKET 1#define SOL_IP 0#define SOL_IPX 256#define SOL_AX25 257#define SOL_TCP 6#define SOL_UDP 17/* For setsockoptions(2) */#define SO_DEBUG 1#define SO_REUSEADDR 2#define SO_TYPE 3#define SO_ERROR 4#define SO_DONTROUTE 5#define SO_BROADCAST 6#define SO_SNDBUF 7#define SO_RCVBUF 8#define SO_KEEPALIVE 9#define SO_OOBINLINE 10#define SO_NO_CHECK 11#define SO_PRIORITY 12#define SO_LINGER 13/* IP options */#define IP_TOS 1#define IPTOS_LOWDELAY 0x10#define IPTOS_THROUGHPUT 0x08#define IPTOS_RELIABILITY 0x04#define IP_TTL 2/* IPX options */#define IPX_TYPE 1/* AX.25 options */#define AX25_WINDOW 1/* TCP options - this way around because someone left a set in the c library includes */#define TCP_NODELAY 1#define TCP_MAXSEG 2/* The various priorities. */#define SOPRI_INTERACTIVE 0#define SOPRI_NORMAL 1#define SOPRI_BACKGROUND 2#endif /* _LINUX_SOCKET_H */
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