#ifndef TTYIO_H
#define TTYIO_H

/* $Id$ */

#define TIMERNO_BRAIN   0               /* BRAIN timerno                     */
#define TIMERNO_RX      1               /* Receiver timerno                  */
#define TIMERNO_TX      2               /* Transmitter timerno               */

#define RESETTIMER(x) tty_resettimer(x)
#define RESETTIMERS() tty_resettimers()
#define SETTIMER(x,y) tty_settimer(x,y)
#define EXPIRED(x) tty_expired(x)
#define RUNNING(x) tty_running(x)

#define TCHECK() tty_check()
#define PUTCHECK(x) tty_putcheck(x)
#define WAITPUTGET(x) tty_waitputget(x)
#define FLUSHOUT() tty_flushout()
#define FLUSHIN() tty_flushin()
#define PUTCHAR(x) tty_putc(x)
#define PUT(x,y) tty_put(x,y)
#define PUTSTR(x) tty_put(x,strlen(x))
#define GETCHAR(x) tty_getc(x)
#define UNGETCHAR(x) tty_ungetc(x)
#define GET(x,y,z) tty_get(x,y,z)
#define PUTGET(a,b,x,y) tty_putget(a,b,x,y)
#define STATUS tty_status

#define STAT_SUCCESS 0
#define STAT_ERROR   1
#define STAT_TIMEOUT 2
#define STAT_EOFILE  3
#define STAT_HANGUP  4
#define STAT_EMPTY   5
#define	STAT_UNCOMP  6

#define SUCCESS (STATUS == 0)
#define TERROR (-STAT_ERROR)
#define TIMEOUT (-STAT_TIMEOUT)
#define EOFILE (-STAT_EOFILE)
#define HANGUP (-STAT_HANGUP)
#define EMPTY (-STAT_EMPTY)

#define GET_COMPLETE(x) (x & 1)
#define PUT_COMPLETE(x) (x & 2)

extern int tty_status;

extern int tty_resettimer(int tno);
extern void tty_resettimers(void);
extern int tty_settimer(int,int);
extern int tty_expired(int);
extern int tty_running(int);
extern int tty_check(void);
extern int tty_waitputget(int);
extern int tty_ungetc(int);
extern int tty_getc(int);
extern int tty_get(char*,int,int);
extern int tty_putcheck(int);
extern int tty_putc(int);
extern int tty_put(char*,int);
extern int tty_putget(char**,int*,char**,int*);
extern void tty_flushout(void);
extern void tty_flushin(void);
extern void sendbrk(void);

#endif