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- /* Global structures and constants needed by an Internet user process */
- #ifndef NCONN
-
- #include "global.h"
-
- #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_SPACE 4 /* No memory for TCB creation */
- #define WOULDBLK 5 /* Would block */
- #define NOPROTO 6 /* Protocol or mode not supported */
- #define INVALID 7 /* Invalid arguments */
-
- /* Codes for the tcp_open call */
- #define TCP_PASSIVE 0
- #define TCP_ACTIVE 1
- #define TCP_SERVER 2 /* Passive, clone on opening */
-
- /* 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;
- };
- #if defined(__STDC__) || defined(__TURBOC__)
- int32 dresolve(char *name);
- int32 resolve(char *name);
- #else
- int32 dresolve();
- int32 resolve();
- #endif
-
- int32 aton(),resolve();
- char *inet_ntoa(),*psocket();
-
-
- #endif /* NCONN */
-