* Copyright (c) 1989 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
* @(#)extr.h 5.2 (Berkeley) 6/1/90
extern ndptr hashtab
[]; /* hash table for macros etc. */
extern char buf
[]; /* push-back buffer */
extern char *bp
; /* first available character */
extern char *endpbb
; /* end of push-back buffer */
extern stae mstack
[]; /* stack of m4 machine */
extern char *ep
; /* first free char in strspace */
extern char *endest
; /* end of string space */
int sp
; /* current m4 stack pointer */
int fp
; /* m4 call frame pointer */
extern FILE *infile
[]; /* input file stack (0=stdin) */
extern FILE *outfile
[]; /* diversion array(0=bitbucket)*/
extern FILE *active
; /* active output file pointer */
extern char *m4temp
; /* filename for diversions */
extern int ilevel
; /* input file stack pointer */
extern int oindex
; /* diversion index.. */
extern char *null
; /* as it says.. just a null.. */
extern char *m4wraps
; /* m4wrap string default.. */
extern char lquote
; /* left quote character (`) */
extern char rquote
; /* right quote character (') */
extern char scommt
; /* start character for comment */
extern char ecommt
; /* end character for comment */