1 /* $NetBSD: extern.h,v 1.12 2003/10/27 00:12:43 lukem Exp $ */ 2 /* $OpenBSD: extern.h,v 1.28 2001/10/10 18:12:00 espie 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. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)extern.h 8.1 (Berkeley) 6/6/93 36 */ 37 38 #if HAVE_NBTOOL_CONFIG_H 39 #include "nbtool_config.h" 40 #endif 41 42 #include <err.h> 43 #include <unistd.h> 44 45 /* eval.c */ 46 extern void eval __P((const char *[], int, int)); 47 extern void dodefine __P((const char *, const char *)); 48 extern unsigned long expansion_id; 49 50 /* expr.c */ 51 extern int expr __P((const char *)); 52 53 /* gnum4.c */ 54 extern void addtoincludepath __P((const char *)); 55 extern struct input_file *fopen_trypath __P((struct input_file *, const char *)); 56 extern void doindir __P((const char *[], int)); 57 extern void dobuiltin __P((const char *[], int)); 58 extern void dopatsubst __P((const char *[], int)); 59 extern void doregexp __P((const char *[], int)); 60 extern void doprintlineno __P((struct input_file *)); 61 extern void doprintfilename __P((struct input_file *)); 62 extern void doesyscmd __P((const char *)); 63 64 65 /* look.c */ 66 extern ndptr addent __P((const char *)); 67 extern unsigned hash __P((const char *)); 68 extern ndptr lookup __P((const char *)); 69 extern void remhash __P((const char *, int)); 70 71 /* main.c */ 72 extern void outputstr __P((const char *)); 73 extern int builtin_type __P((const char *)); 74 extern const char *builtin_realname __P((int)); 75 76 /* misc.c */ 77 extern void chrsave __P((int)); 78 extern char *compute_prevep __P((void)); 79 extern void getdiv __P((int)); 80 extern ptrdiff_t indx __P((const char *, const char *)); 81 extern void initspaces __P((void)); 82 extern void killdiv __P((void)); 83 extern void onintr __P((int)); 84 extern void pbnum __P((int)); 85 extern void pbunsigned __P((unsigned long)); 86 extern void pbstr __P((const char *)); 87 extern void putback __P((int)); 88 extern void *xalloc __P((size_t)); 89 extern char *xstrdup __P((const char *)); 90 extern void usage __P((const char *)); 91 extern void resizedivs __P((int)); 92 extern size_t buffer_mark __P((void)); 93 extern void dump_buffer __P((FILE *, size_t)); 94 95 extern int obtain_char __P((struct input_file *)); 96 extern void set_input __P((struct input_file *, FILE *, const char *)); 97 extern void release_input __P((struct input_file *)); 98 99 /* speeded-up versions of chrsave/putback */ 100 #define PUTBACK(c) \ 101 do { \ 102 if (bp >= endpbb) \ 103 enlarge_bufspace(); \ 104 *bp++ = (c); \ 105 } while(0) 106 107 #define CHRSAVE(c) \ 108 do { \ 109 if (ep >= endest) \ 110 enlarge_strspace(); \ 111 *ep++ = (c); \ 112 } while(0) 113 114 /* and corresponding exposure for local symbols */ 115 extern void enlarge_bufspace __P((void)); 116 extern void enlarge_strspace __P((void)); 117 extern char *endpbb; 118 extern char *endest; 119 120 /* trace.c */ 121 extern void mark_traced __P((const char *, int)); 122 extern int is_traced __P((const char *)); 123 extern void trace_file __P((const char *)); 124 extern ssize_t trace __P((const char **, int, struct input_file *)); 125 extern void finish_trace __P((size_t)); 126 extern void set_trace_flags __P((const char *)); 127 extern int traced_macros; 128 extern FILE *traceout; 129 130 extern ndptr hashtab[]; /* hash table for macros etc. */ 131 extern stae *mstack; /* stack of m4 machine */ 132 extern char *sstack; /* shadow stack, for string space extension */ 133 extern FILE *active; /* active output file pointer */ 134 extern struct input_file infile[];/* input file stack (0=stdin) */ 135 extern FILE **outfile; /* diversion array(0=bitbucket) */ 136 extern int maxout; /* maximum number of diversions */ 137 extern int fp; /* m4 call frame pointer */ 138 extern int ilevel; /* input file stack pointer */ 139 extern int oindex; /* diversion index. */ 140 extern int sp; /* current m4 stack pointer */ 141 extern char *bp; /* first available character */ 142 extern char *buf; /* push-back buffer */ 143 extern char *bufbase; /* buffer base for this ilevel */ 144 extern char *bbase[]; /* buffer base per ilevel */ 145 extern char ecommt[MAXCCHARS+1];/* end character for comment */ 146 extern char *ep; /* first free char in strspace */ 147 extern char lquote[MAXCCHARS+1];/* left quote character (`) */ 148 extern char *m4wraps; /* m4wrap string default. */ 149 extern char *null; /* as it says.. just a null. */ 150 extern char rquote[MAXCCHARS+1];/* right quote character (') */ 151 extern char scommt[MAXCCHARS+1];/* start character for comment */ 152 extern int mimic_gnu; /* behaves like gnu-m4 */ 153