1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32/* 33 * A bunch of global variable declarations lie herein. 34 * def.h must be included first. 35 */ 36 37extern int msgCount; /* Count of messages read in */ 38extern int rcvmode; /* True if receiving mail */ 39extern int sawcom; /* Set after first command */ 40extern char *Tflag; /* -T temp file for netnews */ 41extern int senderr; /* An error while checking */ 42extern int edit; /* Indicates editing a file */ 43extern int readonly; /* Will be unable to rewrite file */ 44extern int noreset; /* String resets suspended */ 45extern int sourcing; /* Currently reading variant file */ 46extern int loading; /* Loading user definitions */ 47extern int cond; /* Current state of conditional exc. */ 48extern FILE *itf; /* Input temp file buffer */ 49extern FILE *otf; /* Output temp file buffer */ 50extern int image; /* File descriptor for image of msg */ 51extern FILE *input; /* Current command input file */ 52extern char mailname[PATHSIZE]; /* Name of current file */ 53extern char prevfile[PATHSIZE]; /* Name of previous file */ 54extern char *homedir; /* Path name of home directory */ 55extern char *myname; /* My login name */ 56extern off_t mailsize; /* Size of system mailbox */ 57extern int lexnumber; /* Number of TNUMBER from scan() */ 58extern char lexstring[STRINGLEN]; /* String from TSTRING, scan() */ 59extern int regretp; /* Pointer to TOS of regret tokens */ 60extern int regretstack[REGDEP]; /* Stack of regretted tokens */ 61extern char *string_stack[REGDEP]; /* Stack of regretted strings */ 62extern int numberstack[REGDEP]; /* Stack of regretted numbers */ 63extern struct message *dot; /* Pointer to current message */ 64extern struct message *message; /* The actual message structure */ 65extern struct var *variables[HSHSIZE]; /* Pointer to active var list */ 66extern struct grouphead *groups[HSHSIZE];/* Pointer to active groups */ 67extern struct ignoretab ignore[2]; /* ignored and retained fields 68 0 is ignore, 1 is retain */ 69extern struct ignoretab saveignore[2]; /* ignored and retained fields 70 on save to folder */ 71extern struct ignoretab ignoreall[2]; /* special, ignore all headers */ 72extern char **altnames; /* List of alternate names for user */ 73extern int debug; /* Debug flag set */ 74extern int screenwidth; /* Screen width, or best guess */ 75extern int screenheight; /* Screen height, or best guess, 76 for "header" command */ 77extern int realscreenheight; /* the real screen height */ 78 79#include <setjmp.h> 80 81extern jmp_buf srbuf; 82 83 84/* 85 * The pointers for the string allocation routines, 86 * there are NSPACE independent areas. 87 * The first holds STRINGSIZE bytes, the next 88 * twice as much, and so on. 89 */ 90 91#define NSPACE 25 /* Total number of string spaces */ 92extern struct strings { 93 char *s_topFree; /* Beginning of this area */ 94 char *s_nextFree; /* Next alloctable place here */ 95 unsigned s_nleft; /* Number of bytes left here */ 96} stringdope[NSPACE]; 97