#ifndef	_NETUSER_H
#define	_NETUSER_H

/* Global structures and constants needed by an Internet user process */

#ifndef	_GLOBAL_H
#include "global.h"
#endif

#define	NCONN	20		/* Maximum number of open network connections */

extern int32 Ip_addr;	/* Our IP address */
extern int Net_error;	/* Error return code */
#define	NONE	0		/* No error */
#define	CON_EXISTS	1	/* Connection already exists */
#define	NO_CONN	2		/* Connection does not exist */
#define	CON_CLOS	3	/* Connection closing */
#define	NO_MEM		4	/* No memory for TCB creation */
#define	WOULDBLK	5	/* Would block */
#define	NOPROTO		6	/* Protocol or mode not supported */
#define	INVALID		7	/* Invalid arguments */

#define	INET_EOL	"\r\n"	/* Standard Internet end-of-line sequence */

/* Codes for the tcp_open call */
#define	TCP_PASSIVE	0
#define	TCP_ACTIVE	1
#define	TCP_SERVER	2	/* Passive, clone on opening */

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

/* Socket structure */
struct socket {
	int32 address;		/* IP address */
	int16 port;		/* port number */
};
#define	NULLSOCK	(struct socket *)0

/* Connection structure (two sockets) */
struct connection {
	struct socket local;
	struct socket remote;
};
/* In domain.c: */
int32 resolve __ARGS((char *name));
int32 resolve_mx __ARGS((char *name));
char *resolve_a __ARGS((int32 ip_address, int shorten));

/* In netuser.c: */
int32 aton __ARGS((char *s));
char *inet_ntoa __ARGS((int32 a));
char *pinet __ARGS((struct socket *s));

#endif	/* _NETUSER_H */