extern.h revision 1.15
1/* $OpenBSD: extern.h,v 1.15 2000/01/12 17:49:53 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 struct input_file *fopen_trypath __P((struct input_file *, 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/* main.c */ 61extern void outputstr __P((const char *)); 62 63/* misc.c */ 64extern void chrsave __P((int)); 65extern char *compute_prevep __P((void)); 66extern void getdiv __P((int)); 67extern ptrdiff_t indx __P((const char *, const char *)); 68extern void initspaces __P((void)); 69extern void killdiv __P((void)); 70extern void onintr __P((int)); 71extern void pbnum __P((int)); 72extern void pbstr __P((const char *)); 73extern void putback __P((int)); 74extern char *xalloc __P((size_t)); 75extern char *xstrdup __P((const char *)); 76extern void usage __P((void)); 77 78extern int obtain_char __P((struct input_file *)); 79extern void set_input __P((struct input_file *, FILE *, const char *)); 80extern void release_input __P((struct input_file *)); 81 82 83extern ndptr hashtab[]; /* hash table for macros etc. */ 84extern stae mstack[]; /* stack of m4 machine */ 85extern FILE *active; /* active output file pointer */ 86extern struct input_file infile[];/* input file stack (0=stdin) */ 87extern FILE *outfile[]; /* diversion array(0=bitbucket) */ 88extern int fp; /* m4 call frame pointer */ 89extern int ilevel; /* input file stack pointer */ 90extern int oindex; /* diversion index. */ 91extern int sp; /* current m4 stack pointer */ 92extern pbent *bp; /* first available character */ 93extern pbent *buf; /* push-back buffer */ 94extern pbent *bufbase; /* buffer base for this ilevel */ 95extern pbent *bbase[]; /* buffer base per ilevel */ 96extern char ecommt[MAXCCHARS+1];/* end character for comment */ 97extern char *ep; /* first free char in strspace */ 98extern char lquote[MAXCCHARS+1];/* left quote character (`) */ 99extern char *m4wraps; /* m4wrap string default. */ 100extern char *null; /* as it says.. just a null. */ 101extern char rquote[MAXCCHARS+1];/* right quote character (') */ 102extern char scommt[MAXCCHARS+1];/* start character for comment */ 103 104