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QRZ! Ham Radio 8
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unixcpio.gz
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unixnet.cpio
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telnet.h
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C/C++ Source or Header
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1994-07-11
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1KB
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45 lines
#define LINESIZE 256 /* Length of local editing buffer */
/* Telnet command characters */
#define IAC 255 /* Interpret as command */
#define WILL 251
#define WONT 252
#define DO 253
#define DONT 254
/* Telnet options */
#define TN_TRANSMIT_BINARY 0
#define TN_ECHO 1
#define TN_SUPPRESS_GA 3
#define TN_STATUS 5
#define TN_TIMING_MARK 6
#define NOPTIONS 6
/* Telnet protocol control block */
struct telnet {
struct tcb *tcb;
char state;
#define TS_DATA 0 /* Normal data state */
#define TS_IAC 1 /* Received IAC */
#define TS_WILL 2 /* Received IAC-WILL */
#define TS_WONT 3 /* Received IAC-WONT */
#define TS_DO 4 /* Received IAC-DO */
#define TS_DONT 5 /* Received IAC-DONT */
char local[NOPTIONS]; /* Local option settings */
char remote[NOPTIONS]; /* Remote option settings */
#ifdef UNIX
struct mbuf *inbuf; /* ptr to buffer holding excess rcvd chars */
struct mbuf *outbuf; /* ptr to buffer holding excess to-send chars */
int fd; /* file descriptor of pty */
#endif
struct session *session; /* Pointer to session structure */
};
#define NULLTN (struct telnet *)0
extern int refuse_echo;
struct telnet *open_telnet();
int send_tel(),tel_input();