Source:NetHack 3.0.0/ioctl.c

Below is the full text to ioctl.c from the source code of NetHack 3.0.0. To link to a particular line, write [[NetHack 3.0.0/ioctl.c#line123]], for example.

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1.    /*	SCCS Id: @(#)ioctl.c	2.0	87/09/18
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* NetHack may be freely redistributed.  See license for details. */
4.    
5.    /* This cannot be part of hack.tty.c (as it was earlier) since on some
6.       systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h>
7.       define the same constants, and the C preprocessor complains. */
8.    
9.    /* block some unused #defines to avoid overloading some cpp's */
10.   #define MONATTK_H
11.   #include "hack.h"
12.   
13.   #if defined(BSD) || defined(ULTRIX)
14.   #include	<sgtty.h>
15.   struct ltchars ltchars, ltchars0;
16.   #else
17.   #include	<termio.h>	/* also includes part of <sgtty.h> */
18.   struct termio termio;
19.   #endif
20.   
21.   void
22.   getioctls() {
23.   #if defined(BSD) || defined(ULTRIX)
24.   	(void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) &ltchars);
25.   	(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars0);
26.   #else
27.   	(void) ioctl(fileno(stdin), (int) TCGETA, &termio);
28.   #endif
29.   }
30.   
31.   void
32.   setioctls() {
33.   #if defined(BSD) || defined(ULTRIX)
34.   	(void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars);
35.   #else
36.   	/* Now modified to run under Sys V R3.	- may have to be #ifdef'ed */
37.   	(void) ioctl(fileno(stdin), (int) TCSETAW, &termio);
38.   #endif
39.   }
40.   
41.   #ifdef SUSPEND		/* implies BSD */
42.   int
43.   dosuspend() {
44.   #include	<signal.h>
45.   #ifdef SIGTSTP
46.   	if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) {
47.   		settty(NULL);
48.   		(void) signal(SIGTSTP, SIG_DFL);
49.   		(void) kill(0, SIGTSTP);
50.   		gettty();
51.   		setftty();
52.   		docrt();
53.   	} else {
54.   		pline("I don't think your shell has job control.");
55.   	}
56.   #else
57.   	pline("Sorry, it seems we have no SIGTSTP here.  Try ! or S.");
58.   #endif
59.   	return(0);
60.   }
61.   #endif /* SUSPEND /**/