#ifndef	_OPENTCP_H
#define	_OPENTCP_H

int  opentcp(char *);
void closetcp(void);

#define PUTCHAR(x) tty_putc(x)

#define	ClearArray(x)		memset((char *)x, 0, sizeof x)

#define	NETADD(c)	{ PUTCHAR(c); }
#define	NET2ADD(c1,c2)	{ NETADD(c1); NETADD(c2); }

#define	MY_STATE_WILL		0x01
#define	MY_WANT_STATE_WILL	0x02
#define	MY_STATE_DO		0x04
#define	MY_WANT_STATE_DO	0x08
#define	my_state_is_do(opt)		(telnet_options[opt]&MY_STATE_DO)
#define	my_state_is_will(opt)		(telnet_options[opt]&MY_STATE_WILL)
#define my_want_state_is_do(opt)	(telnet_options[opt]&MY_WANT_STATE_DO)
#define my_want_state_is_will(opt)	(telnet_options[opt]&MY_WANT_STATE_WILL)
#define	my_state_is_dont(opt)		(!my_state_is_do(opt))
#define	my_state_is_wont(opt)		(!my_state_is_will(opt))
#define my_want_state_is_dont(opt)	(!my_want_state_is_do(opt))
#define my_want_state_is_wont(opt)	(!my_want_state_is_will(opt))
#define	set_my_want_state_do(opt)	{telnet_options[opt] |= MY_WANT_STATE_DO;}
#define	set_my_want_state_will(opt)	{telnet_options[opt] |= MY_WANT_STATE_WILL;}
#define	set_my_want_state_dont(opt)	{telnet_options[opt] &= ~MY_WANT_STATE_DO;}
#define	set_my_want_state_wont(opt)	{telnet_options[opt] &= ~MY_WANT_STATE_WILL;}

#define	IAC	255		/* interpret as command: */
#define	DONT	254		/* you are not to use option */
#define	DO	253		/* please, you use option */
#define	WONT	252		/* I won't use option */
#define	WILL	251		/* I will use option */

/* telnet options */
#define TELOPT_BINARY	0	/* 8-bit data path */
#define TELOPT_ECHO	1	/* echo */
#define	TELOPT_RCP	2	/* prepare to reconnect */
#define	TELOPT_SGA	3	/* suppress go ahead */
#define	TELOPT_NAMS	4	/* approximate message size */
#define	TELOPT_STATUS	5	/* give status */
#define	TELOPT_TM	6	/* timing mark */
#define	TELOPT_RCTE	7	/* remote controlled transmission and echo */
#define TELOPT_NAOL 	8	/* negotiate about output line width */
#define TELOPT_NAOP 	9	/* negotiate about output page size */
#define TELOPT_NAOCRD	10	/* negotiate about CR disposition */
#define TELOPT_NAOHTS	11	/* negotiate about horizontal tabstops */
#define TELOPT_NAOHTD	12	/* negotiate about horizontal tab disposition */
#define TELOPT_NAOFFD	13	/* negotiate about formfeed disposition */
#define TELOPT_NAOVTS	14	/* negotiate about vertical tab stops */
#define TELOPT_NAOVTD	15	/* negotiate about vertical tab disposition */
#define TELOPT_NAOLFD	16	/* negotiate about output LF disposition */
#define TELOPT_XASCII	17	/* extended ascic character set */
#define	TELOPT_LOGOUT	18	/* force logout */
#define	TELOPT_BM	19	/* byte macro */
#define	TELOPT_DET	20	/* data entry terminal */
#define	TELOPT_SUPDUP	21	/* supdup protocol */
#define	TELOPT_SUPDUPOUTPUT 22	/* supdup output */
#define	TELOPT_SNDLOC	23	/* send location */
#define	TELOPT_TTYPE	24	/* terminal type */
#define	TELOPT_EOR	25	/* end or record */
#define	TELOPT_TUID	26	/* TACACS user identification */
#define	TELOPT_OUTMRK	27	/* output marking */
#define	TELOPT_TTYLOC	28	/* terminal location number */
#define	TELOPT_3270REGIME 29	/* 3270 regime */
#define	TELOPT_X3PAD	30	/* X.3 PAD */
#define	TELOPT_NAWS	31	/* window size */
#define	TELOPT_TSPEED	32	/* terminal speed */
#define	TELOPT_LFLOW	33	/* remote flow control */
#define TELOPT_LINEMODE	34	/* Linemode option */
#define TELOPT_XDISPLOC	35	/* X Display Location */
#define TELOPT_ENVIRON	36	/* Environment variables */
#define	TELOPT_AUTHENTICATION 37/* Authenticate */
#define	TELOPT_ENCRYPT	38	/* Encryption option */
#define	TELOPT_EXOPL	255	/* extended-options-list */


#endif