#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 */