xref: /openbsd/usr.bin/top/screen.h (revision d415bd75)
1 /*	$OpenBSD: screen.h,v 1.6 2008/09/24 18:53:55 chl Exp $	*/
2 
3 /*
4  *  Top users/processes display for Unix
5  *  Version 3
6  *
7  * Copyright (c) 1984, 1989, William LeFebvre, Rice University
8  * Copyright (c) 1989, 1990, 1992, William LeFebvre, Northwestern University
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR OR HIS EMPLOYER BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 /*
32  *  top - a top users display for Unix 4.2
33  *
34  *  This file contains all the definitions necessary to use the hand-written
35  *  screen package in "screen.c"
36  */
37 
38 extern char ch_erase;		/* set to the user's erase character */
39 extern char ch_kill;		/* set to the user's kill  character */
40 extern char smart_terminal;     /* set if the terminal has sufficient termcap
41 				   capabilities for normal operation */
42 
43 /* These are some termcap strings for use outside of "screen.c" */
44 
45 /* rows and columns on the screen according to termcap */
46 extern int  screen_length;
47 extern int  screen_width;
48 
49 /* prototypes from screen.c */
50 extern void init_termcap(int);
51 extern void init_screen(void);
52 extern void end_screen(void);
53 extern void reinit_screen(void);
54 extern void get_screensize(void);
55 extern void go_home(void);
56