extern.h revision 5165 
1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ozan Yigit at York University.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	@(#)extern.h	8.1 (Berkeley) 6/6/93
37 */
38
39char	*basename __P((char *));
40char	*xalloc __P((unsigned long));
41int	expr __P((char *));
42ndptr	addent __P((char *));
43void	chrsave __P((int));
44void	dochc __P((char *[], int));
45void	dochq __P((char *[], int));
46void	dodefine __P((char *, char *));
47void	dodefn __P((char *));
48void	dodiv __P((int));
49void	dodump __P((char *[], int));
50void	doifelse __P((char *[], int));
51int	doincl __P((char *));
52int	dopaste __P((char *));
53void	dopushdef __P((char *, char *));
54void	dosub __P((char *[], int));
55void	doundiv __P((char *[], int));
56void	eval __P((char *[], int, int));
57void	expand __P((char *[], int));
58void	getdiv __P((int));
59char	*xstrdup __P((const char *));
60int	hash __P((char *));
61int	indx __P((char *, char *));
62void	killdiv __P((void));
63ndptr	lookup __P((char *));
64void	map __P((char *, char *, char *, char *));
65void	onintr __P((int));
66void	oops __P((const char *, ...));
67void	pbnum __P((int));
68void    pbstr __P((unsigned char *));
69void	putback __P((int));
70void	remhash __P((char *, int));
71void	usage __P((void));
72
73extern ndptr hashtab[];		/* hash table for macros etc. */
74extern stae mstack[];		/* stack of m4 machine */
75extern FILE *active;		/* active output file pointer */
76extern FILE *infile[];		/* input file stack (0=stdin) */
77extern FILE *outfile[];		/* diversion array(0=bitbucket) */
78extern int fp; 			/* m4 call frame pointer */
79extern int ilevel;		/* input file stack pointer */
80extern int oindex;		/* diversion index. */
81extern int sp;			/* current m4 stack pointer */
82extern unsigned char *bp;       /* first available character */
83extern unsigned char buf[];     /* push-back buffer */
84extern unsigned char *bufbase;  /* buffer base for this ilevel */
85extern unsigned char *bbase[];  /* buffer base per ilevel */
86extern char ecommt;		/* end character for comment */
87extern char *endest;		/* end of string space */
88extern unsigned char *endpbb;   /* end of push-back buffer */
89extern char *ep;		/* first free char in strspace */
90extern char lquote;		/* left quote character (`) */
91extern char *m4temp;		/* filename for diversions */
92extern char *m4wraps;		/* m4wrap string default. */
93extern char *null;		/* as it says.. just a null. */
94extern char *progname;		/* program name */
95extern char rquote;		/* right quote character (') */
96extern char scommt;		/* start character for comment */
97