bin/ksh/tty.h

   1 /*      $OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $    */
   2
   3 /*
   4         tty.h -- centralized definitions for a variety of terminal interfaces
   5
   6         created by DPK, Oct. 1986
   7
   8         Rearranged to work with autoconf, added TTY_state, get_tty/set_tty
   9                                                 Michael Rendell, May '94
  10
  11         last edit:      30-Jul-1987     D A Gwyn
  12 */
  13
  14 /* some useful #defines */
  15 #ifdef EXTERN
  16 # define I__(i) = i
  17 #else
  18 # define I__(i)
  19 # define EXTERN extern
  20 # define EXTERN_DEFINED
  21 #endif
  22
  23 #include <termios.h>
  24
  25 EXTERN int              tty_fd I__(-1); /* dup'd tty file descriptor */
  26 EXTERN int              tty_devtty;     /* true if tty_fd is from /dev/tty */
  27 EXTERN struct termios   tty_state;      /* saved tty state */
  28
  29 extern void     tty_init(int);
  30 extern void     tty_close(void);
  31
  32 /* be sure not to interfere with anyone else's idea about EXTERN */
  33 #ifdef EXTERN_DEFINED
  34 # undef EXTERN_DEFINED
  35 # undef EXTERN
  36 #endif
  37 #undef I__