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 * $FreeBSD$ 38 */ 39 40 char *basename __P((char *)); 41 char *xalloc __P((unsigned long)); 42 int expr __P((char *)); 43 ndptr addent __P((char *)); 44 void chrsave __P((int)); 45 void cleanup __P((int)); 46 void dochc __P((char *[], int)); 47 void dochq __P((char *[], int)); 48 void dodefine __P((char *, char *)); 49 void dodefn __P((char *)); 50 void dodiv __P((int)); 51 void dodump __P((char *[], int)); 52 void doifelse __P((char *[], int)); 53 int doincl __P((char *)); 54 int dopaste __P((char *)); 55 void dopushdef __P((char *, char *)); 56 void dosub __P((char *[], int)); 57 void doundiv __P((char *[], int)); 58 void eval __P((char *[], int, int)); 59 void expand __P((char *[], int)); 60 void getdiv __P((int)); 61 char *xstrdup __P((const char *)); 62 int hash __P((char *)); 63 int indx __P((char *, char *)); 64 void killdiv __P((void)); 65 ndptr lookup __P((char *)); 66 void map __P((char *, char *, char *, char *)); 67 void onintr __P((int)); 68 void pbnum __P((int)); 69 void pbstr __P((unsigned char *)); 70 void putback __P((int)); 71 void remhash __P((char *, int)); 72 void usage __P((void)); 73 74 extern ndptr hashtab[]; /* hash table for macros etc. */ 75 extern stae mstack[]; /* stack of m4 machine */ 76 extern FILE *active; /* active output file pointer */ 77 extern FILE *infile[]; /* input file stack (0=stdin) */ 78 extern FILE *outfile[]; /* diversion array(0=bitbucket) */ 79 extern int fp; /* m4 call frame pointer */ 80 extern int ilevel; /* input file stack pointer */ 81 extern int oindex; /* diversion index. */ 82 extern int sp; /* current m4 stack pointer */ 83 extern unsigned char *bp; /* first available character */ 84 extern unsigned char buf[]; /* push-back buffer */ 85 extern unsigned char *bufbase; /* buffer base for this ilevel */ 86 extern unsigned char *bbase[]; /* buffer base per ilevel */ 87 extern char ecommt; /* end character for comment */ 88 extern char *endest; /* end of string space */ 89 extern unsigned char *endpbb; /* end of push-back buffer */ 90 extern char *ep; /* first free char in strspace */ 91 extern char lquote; /* left quote character (`) */ 92 extern char *m4dir; /* directory for temporary files */ 93 extern char *m4temp; /* filename for diversions */ 94 extern char *m4wraps; /* m4wrap string default. */ 95 extern char *null; /* as it says.. just a null. */ 96 extern char rquote; /* right quote character (') */ 97 extern char scommt; /* start character for comment */ 98