1 /* $OpenBSD: extern.h,v 1.21 2000/07/27 17:44:33 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 */ 43 extern void eval __P((const char *[], int, int)); 44 extern void expand __P((const char *[], int)); 45 extern void dodefine __P((const char *, const char *)); 46 47 /* expr.c */ 48 extern int expr __P((const char *)); 49 50 /* gnum4.c */ 51 extern void addtoincludepath __P((const char *dirname)); 52 extern struct input_file *fopen_trypath __P((struct input_file *, const char *filename)); 53 extern void doindir __P((const char *[], int)); 54 extern void dobuiltin __P((const char *[], int)); 55 extern void dopatsubst __P((const char *[], int)); 56 extern void doregexp __P((const char *[], int)); 57 58 extern void doprintlineno __P((struct input_file *)); 59 extern void doprintfilename __P((struct input_file *)); 60 61 extern void doesyscmd __P((const char *)); 62 63 64 /* look.c */ 65 extern ndptr addent __P((const char *)); 66 extern unsigned hash __P((const char *)); 67 extern ndptr lookup __P((const char *)); 68 extern void remhash __P((const char *, int)); 69 70 /* main.c */ 71 extern void outputstr __P((const char *)); 72 extern int builtin_type __P((const char *)); 73 74 /* misc.c */ 75 extern void chrsave __P((int)); 76 extern char *compute_prevep __P((void)); 77 extern void getdiv __P((int)); 78 extern ptrdiff_t indx __P((const char *, const char *)); 79 extern void initspaces __P((void)); 80 extern void killdiv __P((void)); 81 extern void onintr __P((int)); 82 extern void pbnum __P((int)); 83 extern void pbunsigned __P((unsigned long)); 84 extern void pbstr __P((const char *)); 85 extern void putback __P((int)); 86 extern void *xalloc __P((size_t)); 87 extern char *xstrdup __P((const char *)); 88 extern void usage __P((void)); 89 extern void resizedivs __P((int n)); 90 91 extern int obtain_char __P((struct input_file *)); 92 extern void set_input __P((struct input_file *, FILE *, const char *)); 93 extern void release_input __P((struct input_file *)); 94 95 96 extern ndptr hashtab[]; /* hash table for macros etc. */ 97 extern stae *mstack; /* stack of m4 machine */ 98 extern char *sstack; /* shadow stack, for string space extension */ 99 extern FILE *active; /* active output file pointer */ 100 extern struct input_file infile[];/* input file stack (0=stdin) */ 101 extern FILE **outfile; /* diversion array(0=bitbucket) */ 102 extern int maxout; /* maximum number of diversions */ 103 extern int fp; /* m4 call frame pointer */ 104 extern int ilevel; /* input file stack pointer */ 105 extern int oindex; /* diversion index. */ 106 extern int sp; /* current m4 stack pointer */ 107 extern char *bp; /* first available character */ 108 extern char *buf; /* push-back buffer */ 109 extern char *bufbase; /* buffer base for this ilevel */ 110 extern char *bbase[]; /* buffer base per ilevel */ 111 extern char ecommt[MAXCCHARS+1];/* end character for comment */ 112 extern char *ep; /* first free char in strspace */ 113 extern char lquote[MAXCCHARS+1];/* left quote character (`) */ 114 extern char *m4wraps; /* m4wrap string default. */ 115 extern char *null; /* as it says.. just a null. */ 116 extern char rquote[MAXCCHARS+1];/* right quote character (') */ 117 extern char scommt[MAXCCHARS+1];/* start character for comment */ 118 119 extern int mimic_gnu; /* behaves like gnu-m4 */ 120