gnu/abc-shell/tty.h

   1 /*
   2         tty.h -- centralized definitions for a variety of terminal interfaces
   3
   4         created by DPK, Oct. 1986
   5
   6 */
   7 /* $Id$ */
   8
   9 /* some useful #defines */
  10 #ifdef EXTERN
  11 # define I__(i) = i
  12 #else
  13 # define I__(i)
  14 # define EXTERN extern
  15 # define EXTERN_DEFINED
  16 #endif
  17
  18 //#include <termios.h>
  19
  20 EXTERN int                tty_fd I__(-1);        /* dup'd tty file descriptor */
  21 EXTERN int                tty_devtty;        /* true if tty_fd is from /dev/tty */
  22 //EXTERN struct termios        tty_state;        /* saved tty state */
  23
  24 extern void        tty_init(int);
  25 extern void        tty_close(void);
  26
  27 /* be sure not to interfere with anyone else's idea about EXTERN */
  28 #ifdef EXTERN_DEFINED
  29 # undef EXTERN_DEFINED
  30 # undef EXTERN
  31 #endif
  32 #undef I__