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/* $OpenBSD: extern.h,v 1.28 2001/10/10 18:12:00 espie Exp $ */
/* $NetBSD: extern.h,v 1.3 1996/01/13 23:25:24 pk Exp $ */
/*-
* 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
*/
/* eval.c */
extern void eval __P((const char *[], int, int));
extern void dodefine __P((const char *, const char *));
extern unsigned long expansion_id;
/* expr.c */
extern int expr __P((const char *));
/* gnum4.c */
extern void addtoincludepath __P((const char *));
extern struct input_file *fopen_trypath __P((struct input_file *, const char *));
extern void doindir __P((const char *[], int));
extern void dobuiltin __P((const char *[], int));
extern void dopatsubst __P((const char *[], int));
extern void doregexp __P((const char *[], int));
extern void doprintlineno __P((struct input_file *));
extern void doprintfilename __P((struct input_file *));
extern void doesyscmd __P((const char *));
/* look.c */
extern ndptr addent __P((const char *));
extern unsigned hash __P((const char *));
extern ndptr lookup __P((const char *));
extern void remhash __P((const char *, int));
/* main.c */
extern void outputstr __P((const char *));
extern int builtin_type __P((const char *));
extern char *builtin_realname __P((int));
/* misc.c */
extern void chrsave __P((int));
extern char *compute_prevep __P((void));
extern void getdiv __P((int));
extern ptrdiff_t indx __P((const char *, const char *));
extern void initspaces __P((void));
extern void killdiv __P((void));
extern void onintr __P((int));
extern void pbnum __P((int));
extern void pbunsigned __P((unsigned long));
extern void pbstr __P((const char *));
extern void putback __P((int));
extern void *xalloc __P((size_t));
extern char *xstrdup __P((const char *));
extern void usage __P((void));
extern void resizedivs __P((int));
extern size_t buffer_mark __P((void));
extern void dump_buffer __P((FILE *, size_t));
extern int obtain_char __P((struct input_file *));
extern void set_input __P((struct input_file *, FILE *, const char *));
extern void release_input __P((struct input_file *));
/* speeded-up versions of chrsave/putback */
#define PUTBACK(c) \
do { \
if (bp >= endpbb) \
enlarge_bufspace(); \
*bp++ = (c); \
} while(0)
#define CHRSAVE(c) \
do { \
if (ep >= endest) \
enlarge_strspace(); \
*ep++ = (c); \
} while(0)
/* and corresponding exposure for local symbols */
extern void enlarge_bufspace __P((void));
extern void enlarge_strspace __P((void));
extern char *endpbb;
extern char *endest;
/* trace.c */
extern void mark_traced __P((const char *, int));
extern int is_traced __P((const char *));
extern void trace_file __P((const char *));
extern ssize_t trace __P((const char **, int, struct input_file *));
extern void finish_trace __P((size_t));
extern int traced_macros;
extern void set_trace_flags __P((const char *));
extern FILE *traceout;
extern ndptr hashtab[]; /* hash table for macros etc. */
extern stae *mstack; /* stack of m4 machine */
extern char *sstack; /* shadow stack, for string space extension */
extern FILE *active; /* active output file pointer */
extern struct input_file infile[];/* input file stack (0=stdin) */
extern FILE **outfile; /* diversion array(0=bitbucket) */
extern int maxout; /* maximum number of diversions */
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 char *bp; /* first available character */
extern char *buf; /* push-back buffer */
extern char *bufbase; /* buffer base for this ilevel */
extern char *bbase[]; /* buffer base per ilevel */
extern char ecommt[MAXCCHARS+1];/* end character for comment */
extern char *ep; /* first free char in strspace */
extern char lquote[MAXCCHARS+1];/* left quote character (`) */
extern char *m4wraps; /* m4wrap string default. */
extern char *null; /* as it says.. just a null. */
extern char rquote[MAXCCHARS+1];/* right quote character (') */
extern char scommt[MAXCCHARS+1];/* start character for comment */
extern int mimic_gnu; /* behaves like gnu-m4 */
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