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/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ozan Yigit at York University.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)extern.h 8.1 (Berkeley) 6/6/93
*/
char *basename __P((char *));
char *xalloc __P((unsigned long));
int expr __P((char *));
ndptr addent __P((char *));
void chrsave __P((int));
void dochc __P((char *[], int));
void dochq __P((char *[], int));
void dodefine __P((char *, char *));
void dodefn __P((char *));
void dodiv __P((int));
void dodump __P((char *[], int));
void doifelse __P((char *[], int));
int doincl __P((char *));
int dopaste __P((char *));
void dopushdef __P((char *, char *));
void dosub __P((char *[], int));
void doundiv __P((char *[], int));
void eval __P((char *[], int, int));
void expand __P((char *[], int));
void getdiv __P((int));
char *xstrdup __P((const char *));
int hash __P((char *));
int indx __P((char *, char *));
void killdiv __P((void));
ndptr lookup __P((char *));
void map __P((char *, char *, char *, char *));
void onintr __P((int));
void pbnum __P((int));
void pbstr __P((unsigned char *));
void putback __P((int));
void remhash __P((char *, int));
void usage __P((void));
extern ndptr hashtab[]; /* hash table for macros etc. */
extern stae mstack[]; /* stack of m4 machine */
extern FILE *active; /* active output file pointer */
extern FILE *infile[]; /* input file stack (0=stdin) */
extern FILE *outfile[]; /* diversion array(0=bitbucket) */
extern int fp; /* m4 call frame pointer */
extern int ilevel; /* input file stack pointer */
extern int oindex; /* diversion index. */
extern int sp; /* current m4 stack pointer */
extern unsigned char *bp; /* first available character */
extern unsigned char buf[]; /* push-back buffer */
extern unsigned char *bufbase; /* buffer base for this ilevel */
extern unsigned char *bbase[]; /* buffer base per ilevel */
extern char ecommt; /* end character for comment */
extern char *endest; /* end of string space */
extern unsigned char *endpbb; /* end of push-back buffer */
extern char *ep; /* first free char in strspace */
extern char lquote; /* left quote character (`) */
extern char *m4temp; /* filename for diversions */
extern char *m4wraps; /* m4wrap string default. */
extern char *null; /* as it says.. just a null. */
extern char rquote; /* right quote character (') */
extern char scommt; /* start character for comment */
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