1/*	$NetBSD: xx.h,v 1.6 2002/06/14 01:07:03 wiz Exp $	*/
2
3/*
4 * Copyright (c) 1989, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Edward Wang at The University of California, Berkeley.
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 * 3. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)xx.h	8.1 (Berkeley) 6/6/93
35 */
36
37#ifndef EXTERN
38#define EXTERN extern
39#endif
40
41struct xx {
42	enum { xc_move, xc_scroll, xc_inschar, xc_insspace, xc_delchar,
43		xc_clear, xc_clreos, xc_clreol, xc_write } cmd;
44	int arg0;
45	int arg1;
46	int arg2;
47	int arg3;
48	char *buf;
49	struct xx *link;
50};
51
52EXTERN struct xx *xx_head, *xx_tail;
53EXTERN struct xx *xx_freelist;
54
55EXTERN char *xxbuf, *xxbufp, *xxbufe;
56EXTERN int xxbufsize;
57
58#define char_sep '\0'
59
60struct xx *xxalloc(void);
61void	xxclear(void);
62void	xxclreol(int, int);
63void	xxclreos(int, int);
64void	xxdelchar(int, int);
65void	xxend(void);
66void	xxflush(int);
67void	xxflush_scroll(struct xx *);
68void	xxfree(struct xx *);
69int	xxinit(void);
70void	xxinschar(int, int, int, int);
71void	xxinsspace(int, int);
72void	xxmove(int, int);
73void	xxreset(void);
74void	xxreset1(void);
75void	xxscroll(int, int, int);
76void	xxstart(void);
77void	xxwrite(int, int, char *, int, int);
78