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