extern.h revision 1.13
1/*	$OpenBSD: extern.h,v 1.13 1999/11/30 22:19:50 espie Exp $	*/
2/*	$NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $	*/
3
4/*-
5 * Copyright (c) 1991, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Ozan Yigit at York University.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the University of
22 *	California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *	@(#)extern.h	8.1 (Berkeley) 6/6/93
40 */
41
42/* eval.c */
43extern void	eval __P((const char *[], int, int));
44extern void	expand __P((const char *[], int));
45extern void	dodefine __P((const char *, const char *));
46
47/* expr.c */
48extern int	expr __P((const char *));
49
50/* gnum4.c */
51extern void 	addtoincludepath __P((const char *dirname));
52extern FILE 	*fopen_trypath __P((const char *filename));
53
54/* look.c */
55extern ndptr	addent __P((const char *));
56extern unsigned	hash __P((const char *));
57extern ndptr	lookup __P((const char *));
58extern void	remhash __P((const char *, int));
59
60/* misc.c */
61extern void	chrsave __P((int));
62extern char 	*compute_prevep __P((void));
63extern void	getdiv __P((int));
64extern ptrdiff_t indx __P((const char *, const char *));
65extern void 	initspaces __P((void));
66extern void	killdiv __P((void));
67extern void	onintr __P((int));
68extern void	pbnum __P((int));
69extern void	pbstr __P((const char *));
70extern void	putback __P((int));
71extern char	*xalloc __P((size_t));
72extern char	*xstrdup __P((const char *));
73extern void	usage __P((void));
74
75extern ndptr hashtab[];		/* hash table for macros etc. */
76extern stae mstack[];		/* stack of m4 machine */
77extern FILE *active;		/* active output file pointer */
78extern FILE *infile[];		/* input file stack (0=stdin) */
79extern FILE *outfile[];		/* diversion array(0=bitbucket) */
80extern int fp; 			/* m4 call frame pointer */
81extern int ilevel;		/* input file stack pointer */
82extern int oindex;		/* diversion index. */
83extern int sp;			/* current m4 stack pointer */
84extern pbent *bp;		/* first available character */
85extern pbent *buf;		/* push-back buffer */
86extern pbent *bufbase;		/* buffer base for this ilevel */
87extern pbent *bbase[];		/* buffer base per ilevel */
88extern char ecommt[MAXCCHARS+1];/* end character for comment */
89extern char *ep;		/* first free char in strspace */
90extern char lquote[MAXCCHARS+1];/* left quote character (`) */
91extern char *m4wraps;		/* m4wrap string default. */
92extern char *null;		/* as it says.. just a null. */
93extern char rquote[MAXCCHARS+1];/* right quote character (') */
94extern char scommt[MAXCCHARS+1];/* start character for comment */
95
96