#ifndef	SOCK_STREAM

#include "global.h"

/* Local IP wildcard address */
#define	INADDR_ANY	0x0L

/* IP protocol numbers */
#define	IPPROTO_ICMP	1
#define	IPPROTO_TCP	6
#define	IPPROTO_UDP	17

/* TCP port numbers */
#define	IPPORT_ECHO	7	/* Echo data port */
#define	IPPORT_DISCARD	9	/* Discard data port */
#define	IPPORT_FTPD	20	/* FTP Data port */
#define	IPPORT_FTP	21	/* FTP Control port */
#define IPPORT_TELNET	23	/* Telnet port */
#define IPPORT_SMTP	25	/* Mail port */
#define	IPPORT_FINGER	79	/* Finger port */
#define	IPPORT_TTYLINK	87	/* Chat port */

/* UDP port numbers */
#define	IPPORT_DOMAIN	53
#define	IPPORT_RIP	520
#define	IPPORT_REMOTE	1234	/* Pulled out of the air */

#define	AF_INET		0
#define	AF_AX25		1
#define AF_NETROM	2
#define	AF_LOCAL	3

#define	SOCK_STREAM	0
#define	SOCK_DGRAM	1
#define	SOCK_RAW	2
#define SOCK_SEQPACKET	3

#define	EMFILE	1
#define	EBADF	2
#define	EINVAL	3
#define	ESOCKTNOSUPPORT	4
#define	EAFNOSUPPORT	5
#define	EOPNOTSUPP	6
#define	EFAULT		7
#define	ENOTCONN	8
#define	ECONNREFUSED	9
#define EAFNOSUPP	10
#define	EISCONN		11
#define	EWOULDBLOCK	12
#define	EINTR		13
#define	EADDRINUSE	14
#define	ENOMEM		15
#define EMSGSIZE	16
#define	EALARM		17
#define	EABORT		18

extern int Console;	/* Console socket number */
extern int Axi_sock;	/* Socket listening to AX25 (there can be only one) */

/* Berkeley format socket address structures. These things were rather
 * poorly thought out, but compatibility is important (or so they say).
 * Note that all the sockaddr variants must be of the same size, 16 bytes
 * to be specific. Although attempts have been made to account for alignment
 * requirements (notably in sockaddr_ax), porters should check each
 * structure.
 */

/* Generic socket address structure */
struct sockaddr {
	short sa_family;
	char sa_data[14];
};

/* This is a structure for "historical" reasons (whatever they are) */
struct in_addr {
	unsigned long s_addr;
};

/* Socket address, DARPA Internet style */
struct sockaddr_in {
	short sin_family;
	unsigned short sin_port;
	struct in_addr sin_addr;
	char sin_zero[8];
};

/* AX.25 sockaddr stuff */
#define	AXALEN		7

/* Number of chars in interface field. The involved definition takes possible
 * alignment requirements into account, since ax25_addr is of an odd size.
 */
#define	ILEN	(sizeof(struct sockaddr) - sizeof(short) - AXALEN)

/* Socket address, AX.25 style */
struct sockaddr_ax {
	short sax_family;		/* 2 bytes */
	char ax25_addr[AXALEN];
	char iface[ILEN];		/* Interface name */
};

/* Netrom socket address. */
#ifndef NR4MAXCIRC
struct nr4_addr {
	char user[AXALEN];
	char node[AXALEN];
};
#endif

struct sockaddr_nr {
	short nr_family;
	struct nr4_addr nr_addr;
};

#define	SOCKSIZE	(sizeof(struct sockaddr))
#define MAXSOCKSIZE	SOCKSIZE /* All sockets are of the same size for now */

extern int32 Ip_addr;
/* In socket.c: */
int accept __ARGS((int s,char *peername,int *peernamelen));
int bind __ARGS((int s,char *name,int namelen));
int close_s __ARGS((int s));
int connect __ARGS((int s,char *peername,int peernamelen));
void freesock __ARGS((struct proc *pp));
int getpeername __ARGS((int s,char *peername,int *peernamelen));
int getsockname __ARGS((int s,char *name,int *namelen));
int listen __ARGS((int s,int backlog));
int recv_mbuf __ARGS((int s,struct mbuf **bpp,int flags,char *from,int *fromlen));
int send_mbuf __ARGS((int s,struct mbuf *bp,int flags,char *to,int tolen));
int setflush __ARGS((int s,int c));
int shutdown __ARGS((int s,int how));
int socket __ARGS((int af,int type,int protocol));
void sockinit __ARGS((void));
int sockkick __ARGS((int s));
int socklen __ARGS((int s,int rtx));
struct proc *sockowner __ARGS((int s,struct proc *newowner));
int usesock __ARGS((int s));

/* In sockuser.c: */
void flushsocks __ARGS((void));
int keywait __ARGS((char *prompt,int flush));
int recv __ARGS((int s,char *buf,int len,int flags));
int recvchar __ARGS((int s));
int recvfrom __ARGS((int s,char *buf,int len,int flags,char *from,int *fromlen));
int recvline __ARGS((int s,char *buf,unsigned len));
int send __ARGS((int s,char *buf,int len,int flags));
int sendto __ARGS((int s,char *buf,int len,int flags,char *to,int tolen));
int seteol __ARGS((int s,char *seq));
void tflush __ARGS((void));
int tprintf __ARGS((char *fmt,...));
int tputc __ARGS((char c));
int tputs __ARGS((char *s));
void usflush __ARGS((int s));
int usprintf __ARGS((int s,char *fmt,...));
int usputc __ARGS((int s,char c));
int usputs __ARGS((int s,char *x));
int usvprintf __ARGS((int s,char *fmt, va_list args));

/* In file sockutil.c: */
struct usock *itop __ARGS((int s));
char *psocket __ARGS((void *p));
char *sockerr __ARGS((int s));
char *sockstate __ARGS((int s));

#endif	/* SOCK_STREAM */