Initial import, 0.1 + pk 0.2.4-B1

[unix-history] / games / hack / hack.ioctl.c

/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* hack.ioctl.c - version 1.0.2 */

/* This cannot be part of hack.tty.c (as it was earlier) since on some
  systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
  define the same constants, and the C preprocessor complains. */
#include <stdio.h>
#include "config.h"
#ifdef BSD
#include        <sgtty.h>
struct ltchars ltchars, ltchars0;
#else
#include        <termio.h>      /* also includes part of <sgtty.h> */
struct termio termio;
#endif BSD

getioctls() {
#ifdef BSD
       (void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) &ltchars);
       (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars0);
#else
       (void) ioctl(fileno(stdin), (int) TCGETA, &termio);
#endif BSD
}

setioctls() {
#ifdef BSD
       (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars);
#else
       (void) ioctl(fileno(stdin), (int) TCSETA, &termio);
#endif BSD
}

#ifdef SUSPEND          /* implies BSD */
dosuspend() {
#include        <signal.h>
#ifdef SIGTSTP
       if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
               settty((char *) 0);
               (void) signal(SIGTSTP, SIG_DFL);
               (void) kill(0, SIGTSTP);
               gettty();
               setftty();
               docrt();
       } else {
               pline("I don't think your shell has job control.");
       }
#else SIGTSTP
       pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
#endif SIGTSTP
       return(0);
}
#endif SUSPEND