1235267Sgabor/*-
2235267Sgabor * SPDX-License-Identifier: BSD-3-Clause
3235267Sgabor *
4235267Sgabor * Copyright (c) 1980, 1993
5235267Sgabor *	The Regents of the University of California.  All rights reserved.
6235267Sgabor *
7235267Sgabor * Redistribution and use in source and binary forms, with or without
8235267Sgabor * modification, are permitted provided that the following conditions
9235267Sgabor * are met:
10235267Sgabor * 1. Redistributions of source code must retain the above copyright
11235267Sgabor *    notice, this list of conditions and the following disclaimer.
12235267Sgabor * 2. Redistributions in binary form must reproduce the above copyright
13235267Sgabor *    notice, this list of conditions and the following disclaimer in the
14235267Sgabor *    documentation and/or other materials provided with the distribution.
15235267Sgabor * 3. Neither the name of the University nor the names of its contributors
16235267Sgabor *    may be used to endorse or promote products derived from this software
17235267Sgabor *    without specific prior written permission.
18235267Sgabor *
19235267Sgabor * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20235267Sgabor * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21235267Sgabor * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22235267Sgabor * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23235267Sgabor * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24235267Sgabor * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25235267Sgabor * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26235267Sgabor * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27235267Sgabor * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28235267Sgabor * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29235267Sgabor * SUCH DAMAGE.
30235267Sgabor */
31235267Sgabor
32235267Sgabor/*
33235267Sgabor * A bunch of global variable declarations lie herein.
34235267Sgabor * def.h must be included first.
35235267Sgabor */
36235267Sgabor
37235267Sgaborextern int	msgCount;			/* Count of messages read in */
38235267Sgaborextern int	rcvmode;			/* True if receiving mail */
39235267Sgaborextern int	sawcom;				/* Set after first command */
40235267Sgaborextern char	*Tflag;				/* -T temp file for netnews */
41235267Sgaborextern int	senderr;			/* An error while checking */
42235267Sgaborextern int	edit;				/* Indicates editing a file */
43235267Sgaborextern int	readonly;			/* Will be unable to rewrite file */
44235267Sgaborextern int	noreset;			/* String resets suspended */
45235267Sgaborextern int	sourcing;			/* Currently reading variant file */
46235267Sgaborextern int	loading;			/* Loading user definitions */
47235267Sgaborextern int	cond;				/* Current state of conditional exc. */
48235267Sgaborextern FILE	*itf;				/* Input temp file buffer */
49235267Sgaborextern FILE	*otf;				/* Output temp file buffer */
50235267Sgaborextern int	image;				/* File descriptor for image of msg */
51235267Sgaborextern FILE	*input;				/* Current command input file */
52235267Sgaborextern char	mailname[PATHSIZE];		/* Name of current file */
53235267Sgaborextern char	prevfile[PATHSIZE];		/* Name of previous file */
54235267Sgaborextern char	*homedir;			/* Path name of home directory */
55235267Sgaborextern char	*myname;			/* My login name */
56235267Sgaborextern off_t	mailsize;			/* Size of system mailbox */
57235267Sgaborextern int	lexnumber;			/* Number of TNUMBER from scan() */
58235267Sgaborextern char	lexstring[STRINGLEN];		/* String from TSTRING, scan() */
59235267Sgaborextern int	regretp;			/* Pointer to TOS of regret tokens */
60235267Sgaborextern int	regretstack[REGDEP];		/* Stack of regretted tokens */
61235267Sgaborextern char	*string_stack[REGDEP];		/* Stack of regretted strings */
62235267Sgaborextern int	numberstack[REGDEP];		/* Stack of regretted numbers */
63235267Sgaborextern struct	message	*dot;			/* Pointer to current message */
64235267Sgaborextern struct	message	*message;		/* The actual message structure */
65235267Sgaborextern struct	var	*variables[HSHSIZE];	/* Pointer to active var list */
66235267Sgaborextern struct	grouphead	*groups[HSHSIZE];/* Pointer to active groups */
67235267Sgaborextern struct	ignoretab	ignore[2];	/* ignored and retained fields
68235267Sgabor					   0 is ignore, 1 is retain */
69235267Sgaborextern struct	ignoretab	saveignore[2];	/* ignored and retained fields
70235267Sgabor					   on save to folder */
71235267Sgaborextern struct	ignoretab	ignoreall[2];	/* special, ignore all headers */
72235267Sgaborextern char	**altnames;			/* List of alternate names for user */
73235267Sgaborextern int	debug;				/* Debug flag set */
74235267Sgaborextern int	screenwidth;			/* Screen width, or best guess */
75235267Sgaborextern int	screenheight;			/* Screen height, or best guess,
76235267Sgabor					   for "header" command */
77235267Sgaborextern int	realscreenheight;		/* the real screen height */
78235267Sgabor
79235267Sgabor#include <setjmp.h>
80235267Sgabor
81235267Sgaborextern jmp_buf	srbuf;
82235267Sgabor
83235267Sgabor
84235267Sgabor/*
85235267Sgabor * The pointers for the string allocation routines,
86235267Sgabor * there are NSPACE independent areas.
87235267Sgabor * The first holds STRINGSIZE bytes, the next
88235267Sgabor * twice as much, and so on.
89235267Sgabor */
90235267Sgabor
91235267Sgabor#define	NSPACE	25			/* Total number of string spaces */
92235267Sgaborextern struct strings {
93235267Sgabor	char	*s_topFree;		/* Beginning of this area */
94235267Sgabor	char	*s_nextFree;		/* Next alloctable place here */
95235267Sgabor	unsigned s_nleft;		/* Number of bytes left here */
96235267Sgabor} stringdope[NSPACE];
97235267Sgabor