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/* $OpenBSD: tty.h,v 1.3 2004/12/18 20:55:52 millert Exp $ */
/*
tty.h -- centralized definitions for a variety of terminal interfaces
created by DPK, Oct. 1986
Rearranged to work with autoconf, added TTY_state, get_tty/set_tty
Michael Rendell, May '94
last edit: 30-Jul-1987 D A Gwyn
*/
/* some useful #defines */
#ifdef EXTERN
# define I__(i) = i
#else
# define I__(i)
# define EXTERN extern
# define EXTERN_DEFINED
#endif
#include <termios.h>
typedef struct termios TTY_state;
/* Flags for set_tty() */
#define TF_NONE 0x00
#define TF_WAIT 0x01 /* drain output, even it requires sleep() */
#define TF_MIPSKLUDGE 0x02 /* kludge to unwedge RISC/os 5.0 tty driver */
EXTERN int tty_fd I__(-1); /* dup'd tty file descriptor */
EXTERN int tty_devtty; /* true if tty_fd is from /dev/tty */
EXTERN TTY_state tty_state; /* saved tty state */
extern int get_tty(int fd, TTY_state *ts);
extern int set_tty(int fd, TTY_state *ts, int flags);
extern void tty_init(int init_ttystate);
extern void tty_close(void);
/* be sure not to interfere with anyone else's idea about EXTERN */
#ifdef EXTERN_DEFINED
# undef EXTERN_DEFINED
# undef EXTERN
#endif
#undef I__
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