Source:NetHack 2.2a/ioctl.c

Below is the full text to ioctl.c from the source code of NetHack 2.2a.

Warning! This is the source code from an old release. For newer releases, see Source code

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1.    /*	SCCS Id: @(#)ioctl.c	2.0	87/09/18
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    /* This cannot be part of hack.tty.c (as it was earlier) since on some
5.       systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
6.       define the same constants, and the C preprocessor complains. */
7.    #include <stdio.h>
8.    #include "config.h"
9.    #ifdef BSD
10.   #include	<sgtty.h>
11.   struct ltchars ltchars, ltchars0;
12.   #else
13.   #include	<termio.h>	/* also includes part of <sgtty.h> */
14.   struct termio termio;
15.   #endif
16.   
17.   getioctls() {
18.   #ifdef BSD
19.   	(void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) &ltchars);
20.   	(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars0);
21.   #else
22.   	(void) ioctl(fileno(stdin), (int) TCGETA, &termio);
23.   #endif
24.   }
25.   
26.   setioctls() {
27.   #ifdef BSD
28.   	(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars);
29.   #else
30.   	/* Now modified to run under Sys V R3.	- may have to be #ifdef'ed */
31.   	(void) ioctl(fileno(stdin), (int) TCSETAW, &termio);
32.   #endif
33.   }
34.   
35.   #ifdef SUSPEND		/* implies BSD */
36.   dosuspend() {
37.   #include	<signal.h>
38.   #ifdef SIGTSTP
39.   	if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
40.   		settty((char *) 0);
41.   		(void) signal(SIGTSTP, SIG_DFL);
42.   		(void) kill(0, SIGTSTP);
43.   		gettty();
44.   		setftty();
45.   		docrt();
46.   	} else {
47.   		pline("I don't think your shell has job control.");
48.   	}
49.   #else SIGTSTP
50.   	pline("Sorry, it seems we have no SIGTSTP here. Try ! or S.");
51.   #endif
52.   	return(0);
53.   }
54.   #endif /* SUSPEND /**/