51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Global structures and constants needed by an Internet user process */
|
|
extern char *hosts; /* Host table */
|
|
|
|
#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 */
|
|
};
|
|
|
|
/* Connection structure (two sockets) */
|
|
struct connection {
|
|
struct socket local;
|
|
struct socket remote;
|
|
};
|
|
#define NULLSOCK (struct socket *)0
|
|
|
|
/* TCP port numbers */
|
|
#define ECHO_PORT 7 /* Echo data port */
|
|
#define DISCARD_PORT 9 /* Discard data port */
|
|
#define FTPD_PORT 20 /* FTP Data port */
|
|
#define FTP_PORT 21 /* FTP Control port */
|
|
#define TELNET_PORT 23 /* Telnet port */
|
|
#define SMTP_PORT 25 /* Mail port */
|
|
#define FINGER_PORT 79 /* Finger port */
|
|
#define TTYLINK_PORT 87 /* I'll use this for my tnserver, heh! */
|
|
#define TNSERV_PORT 88 /* Have to look up a number for this */
|
|
#define LOGIN_PORT 513 /* unix with telunix only */
|
|
|
|
int32 aton(),resolve();
|
|
char *inet_ntoa(),*psocket();
|
|
long htol();
|