xref: /onnv-gate/usr/src/cmd/mailx/hdr/def.h (revision 0)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
24*0Sstevel@tonic-gate  * All Rights Reserved
25*0Sstevel@tonic-gate  *
26*0Sstevel@tonic-gate  *
27*0Sstevel@tonic-gate  * Copyright (c) 1985-2001 by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  * All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate /*
32*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
33*0Sstevel@tonic-gate  * The Regents of the University of California
34*0Sstevel@tonic-gate  * All Rights Reserved
35*0Sstevel@tonic-gate  *
36*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
37*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
38*0Sstevel@tonic-gate  * contributors.
39*0Sstevel@tonic-gate  */
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate #ifndef _MAILX_DEF_H
42*0Sstevel@tonic-gate #define	_MAILX_DEF_H
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate #ifdef	__cplusplus
47*0Sstevel@tonic-gate extern "C" {
48*0Sstevel@tonic-gate #endif
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate #include <sys/types.h>
51*0Sstevel@tonic-gate #include <signal.h>
52*0Sstevel@tonic-gate #include <stdio.h>
53*0Sstevel@tonic-gate #include <fcntl.h>
54*0Sstevel@tonic-gate #include <string.h>
55*0Sstevel@tonic-gate #include <termio.h>
56*0Sstevel@tonic-gate #include <setjmp.h>
57*0Sstevel@tonic-gate #include <time.h>
58*0Sstevel@tonic-gate #include <sys/stat.h>
59*0Sstevel@tonic-gate #include <maillock.h>
60*0Sstevel@tonic-gate #include <ctype.h>
61*0Sstevel@tonic-gate #include <errno.h>
62*0Sstevel@tonic-gate #ifndef preSVr4
63*0Sstevel@tonic-gate # include <unistd.h>
64*0Sstevel@tonic-gate # include <stdlib.h>
65*0Sstevel@tonic-gate # include <ulimit.h>
66*0Sstevel@tonic-gate # include <wait.h>
67*0Sstevel@tonic-gate #endif
68*0Sstevel@tonic-gate #ifdef VMUNIX
69*0Sstevel@tonic-gate #include <sys/wait.h>
70*0Sstevel@tonic-gate #endif
71*0Sstevel@tonic-gate #include "local.h"
72*0Sstevel@tonic-gate #include "uparm.h"
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * mailx -- a modified version of a University of California at Berkeley
76*0Sstevel@tonic-gate  *	mail program
77*0Sstevel@tonic-gate  */
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate #define	SENDESC		'~'		/* Default escape for sending */
80*0Sstevel@tonic-gate #define	NMLSIZE		1024		/* max names in a message list */
81*0Sstevel@tonic-gate #define	PATHSIZE	1024		/* Size of pathnames throughout */
82*0Sstevel@tonic-gate #define	HSHSIZE		59		/* Hash size for aliases and vars */
83*0Sstevel@tonic-gate #define	HDRFIELDS	3		/* Number of header fields */
84*0Sstevel@tonic-gate #define	LINESIZE	5120		/* max readable line width */
85*0Sstevel@tonic-gate #define	STRINGSIZE	((unsigned) 128)/* Dynamic allocation units */
86*0Sstevel@tonic-gate #define	MAXARGC		1024		/* Maximum list of raw strings */
87*0Sstevel@tonic-gate #define	NOSTR		((char *) 0)	/* Nill string pointer */
88*0Sstevel@tonic-gate #define	NOSTRPTR	((char **) 0)	/* Nill pointer to string pointer */
89*0Sstevel@tonic-gate #define	NOINTPTR	((int *) 0)	/* Nill pointer */
90*0Sstevel@tonic-gate #define	MAXEXP		25		/* Maximum expansion of aliases */
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate #define	equal(a, b)	(strcmp(a,b)==0)/* A nice function to string compare */
93*0Sstevel@tonic-gate #define fopen(s,t)	my_fopen(s,t)	/* Keep a list of all opened files */
94*0Sstevel@tonic-gate #define fclose(s)	my_fclose(s)	/* delete closed file from the list*/
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate struct message {
97*0Sstevel@tonic-gate 	off_t	m_offset;		/* offset in block of message */
98*0Sstevel@tonic-gate 	long	m_size;			/* Bytes in the message */
99*0Sstevel@tonic-gate 	long	m_lines;		/* Lines in the message */
100*0Sstevel@tonic-gate 	long	m_clen;			/* Content-Length of the mesg   */
101*0Sstevel@tonic-gate 	short	m_flag;			/* flags, see below */
102*0Sstevel@tonic-gate 	char	m_text;			/* TRUE if the contents is text */
103*0Sstevel@tonic-gate 					/* False otherwise		*/
104*0Sstevel@tonic-gate };
105*0Sstevel@tonic-gate 
106*0Sstevel@tonic-gate typedef struct fplst {
107*0Sstevel@tonic-gate 	FILE	*fp;
108*0Sstevel@tonic-gate 	struct	fplst	*next;
109*0Sstevel@tonic-gate } NODE;
110*0Sstevel@tonic-gate 
111*0Sstevel@tonic-gate /*
112*0Sstevel@tonic-gate  * flag bits.
113*0Sstevel@tonic-gate  */
114*0Sstevel@tonic-gate 
115*0Sstevel@tonic-gate #define	MUSED		(1<<0)		/* entry is used, but this bit isn't */
116*0Sstevel@tonic-gate #define	MDELETED	(1<<1)		/* entry has been deleted */
117*0Sstevel@tonic-gate #define	MSAVED		(1<<2)		/* entry has been saved */
118*0Sstevel@tonic-gate #define	MTOUCH		(1<<3)		/* entry has been noticed */
119*0Sstevel@tonic-gate #define	MPRESERVE	(1<<4)		/* keep entry in sys mailbox */
120*0Sstevel@tonic-gate #define	MMARK		(1<<5)		/* message is marked! */
121*0Sstevel@tonic-gate #define	MODIFY		(1<<6)		/* message has been modified */
122*0Sstevel@tonic-gate #define	MNEW		(1<<7)		/* message has never been seen */
123*0Sstevel@tonic-gate #define	MREAD		(1<<8)		/* message has been read sometime. */
124*0Sstevel@tonic-gate #define	MSTATUS		(1<<9)		/* message status has changed */
125*0Sstevel@tonic-gate #define	MBOX		(1<<10)		/* Send this to mbox, regardless */
126*0Sstevel@tonic-gate #define	MBOXED		(1<<11)		/* message has been sent to mbox */
127*0Sstevel@tonic-gate 
128*0Sstevel@tonic-gate #define	H_AFWDCNT	1		/* "Auto-Forward-Count:"  */
129*0Sstevel@tonic-gate #define	H_AFWDFROM	2		/* "Auto-Forwarded-From:" */
130*0Sstevel@tonic-gate #define	H_CLEN		3		/* "Content-Length:"      */
131*0Sstevel@tonic-gate #define	H_CTYPE		4		/* "Content-Type:"        */
132*0Sstevel@tonic-gate #define	H_DATE		5		/* "Date:" 		  */
133*0Sstevel@tonic-gate #define	H_DEFOPTS	6		/* "Default-Options:" 	  */
134*0Sstevel@tonic-gate #define	H_EOH		7		/* "End-of-Header:" 	  */
135*0Sstevel@tonic-gate #define	H_FROM		8		/* "From " 		  */
136*0Sstevel@tonic-gate #define	H_FROM1		9		/* ">From " 		  */
137*0Sstevel@tonic-gate #define	H_FROM2		10		/* "From: " 		  */
138*0Sstevel@tonic-gate #define	H_MTSID		11		/* "MTS-Message-ID:" 	  */
139*0Sstevel@tonic-gate #define	H_MTYPE		12		/* "Message-Type:" 	  */
140*0Sstevel@tonic-gate #define	H_MVERS		13		/* "Message-Version:" 	  */
141*0Sstevel@tonic-gate #define	H_MSVC		14		/* "Message-Service:" 	  */
142*0Sstevel@tonic-gate #define	H_RECEIVED	15		/* "Received:"	 	  */
143*0Sstevel@tonic-gate #define	H_RVERS		16		/* "Report-Version:" 	  */
144*0Sstevel@tonic-gate #define	H_STATUS	17		/* "Status:"		  */
145*0Sstevel@tonic-gate #define	H_SUBJ		18		/* "Subject:" 		  */
146*0Sstevel@tonic-gate #define	H_TO		19		/* "To:" 		  */
147*0Sstevel@tonic-gate #define	H_TCOPY		20		/* ">To:" 		  */
148*0Sstevel@tonic-gate #define	H_TROPTS	21		/* "Transport-Options:"   */
149*0Sstevel@tonic-gate #define	H_UAID		22		/* "UA-Content-ID:"	  */
150*0Sstevel@tonic-gate #define	H_DAFWDFROM	23		/* Hold A-F-F when sending Del. Notf. */
151*0Sstevel@tonic-gate #define	H_DTCOPY	24		/* Hold ">To:" when sending Del. Notf.*/
152*0Sstevel@tonic-gate #define	H_DRECEIVED	25		/* Hold Rcvd: when sending Del. Notf.*/
153*0Sstevel@tonic-gate #define H_CONT		26		/* Continuation of previous line */
154*0Sstevel@tonic-gate #define H_NAMEVALUE	27		/* unrecognized "name: value" hdr line*/
155*0Sstevel@tonic-gate 
156*0Sstevel@tonic-gate /*
157*0Sstevel@tonic-gate  * Format of the command description table.
158*0Sstevel@tonic-gate  * The actual table is declared and initialized
159*0Sstevel@tonic-gate  * in lex.c
160*0Sstevel@tonic-gate  */
161*0Sstevel@tonic-gate 
162*0Sstevel@tonic-gate struct cmd {
163*0Sstevel@tonic-gate 	char	*c_name;		/* Name of command */
164*0Sstevel@tonic-gate 	int	(*c_func)(void *);	/* Implementor of the command */
165*0Sstevel@tonic-gate 	short	c_argtype;		/* Type of arglist (see below) */
166*0Sstevel@tonic-gate 	short	c_msgflag;		/* Required flags of messages */
167*0Sstevel@tonic-gate 	short	c_msgmask;		/* Relevant flags of messages */
168*0Sstevel@tonic-gate };
169*0Sstevel@tonic-gate 
170*0Sstevel@tonic-gate /* can't initialize unions */
171*0Sstevel@tonic-gate 
172*0Sstevel@tonic-gate #define	c_minargs c_msgflag		/* Minimum argcount for RAWLIST */
173*0Sstevel@tonic-gate #define	c_maxargs c_msgmask		/* Max argcount for RAWLIST */
174*0Sstevel@tonic-gate 
175*0Sstevel@tonic-gate /*
176*0Sstevel@tonic-gate  * Argument types.
177*0Sstevel@tonic-gate  */
178*0Sstevel@tonic-gate 
179*0Sstevel@tonic-gate #define	MSGLIST	 0		/* Message list type */
180*0Sstevel@tonic-gate #define	STRLIST	 1		/* A pure string */
181*0Sstevel@tonic-gate #define	RAWLIST	 2		/* Shell string list */
182*0Sstevel@tonic-gate #define	NOLIST	 3		/* Just plain 0 */
183*0Sstevel@tonic-gate #define	NDMLIST	 4		/* Message list, no defaults */
184*0Sstevel@tonic-gate 
185*0Sstevel@tonic-gate #define	P	040		/* Autoprint dot after command */
186*0Sstevel@tonic-gate #define	I	0100		/* Interactive command bit */
187*0Sstevel@tonic-gate #define	M	0200		/* Legal from send mode bit */
188*0Sstevel@tonic-gate #define	W	0400		/* Illegal when read only bit */
189*0Sstevel@tonic-gate #define	F	01000		/* Is a conditional command */
190*0Sstevel@tonic-gate #define	T	02000		/* Is a transparent command */
191*0Sstevel@tonic-gate #define	R	04000		/* Cannot be called from collect */
192*0Sstevel@tonic-gate 
193*0Sstevel@tonic-gate /*
194*0Sstevel@tonic-gate  * Oft-used mask values
195*0Sstevel@tonic-gate  */
196*0Sstevel@tonic-gate 
197*0Sstevel@tonic-gate #define	MMNORM		(MDELETED|MSAVED)/* Look at both save and delete bits */
198*0Sstevel@tonic-gate #define	MMNDEL		MDELETED	/* Look only at deleted bit */
199*0Sstevel@tonic-gate 
200*0Sstevel@tonic-gate /*
201*0Sstevel@tonic-gate  * Structure used to return a break down of a head
202*0Sstevel@tonic-gate  * line
203*0Sstevel@tonic-gate  */
204*0Sstevel@tonic-gate 
205*0Sstevel@tonic-gate struct headline {
206*0Sstevel@tonic-gate 	char	*l_from;	/* The name of the sender */
207*0Sstevel@tonic-gate 	char	*l_tty;		/* His tty string (if any) */
208*0Sstevel@tonic-gate 	char	*l_date;	/* The entire date string */
209*0Sstevel@tonic-gate };
210*0Sstevel@tonic-gate 
211*0Sstevel@tonic-gate #define	GTO	1		/* Grab To: line */
212*0Sstevel@tonic-gate #define	GSUBJECT 2		/* Likewise, Subject: line */
213*0Sstevel@tonic-gate #define	GCC	4		/* And the Cc: line */
214*0Sstevel@tonic-gate #define	GBCC	8		/* And also the Bcc: line */
215*0Sstevel@tonic-gate #define	GDEFOPT	16		/* And the Default-Options: lines */
216*0Sstevel@tonic-gate #define	GNL	32		/* Print blank line after */
217*0Sstevel@tonic-gate #define GOTHER	64		/* Other header lines */
218*0Sstevel@tonic-gate #define	GMASK	(GTO|GSUBJECT|GCC|GBCC|GDEFOPT|GNL|GOTHER)
219*0Sstevel@tonic-gate 				/* Mask of all header lines */
220*0Sstevel@tonic-gate #define	GDEL	128		/* Entity removed from list */
221*0Sstevel@tonic-gate #define	GCLEN	256		/* Include Content-Length header */
222*0Sstevel@tonic-gate 
223*0Sstevel@tonic-gate /*
224*0Sstevel@tonic-gate  * Structure used to pass about the current
225*0Sstevel@tonic-gate  * state of the user-typed message header.
226*0Sstevel@tonic-gate  */
227*0Sstevel@tonic-gate 
228*0Sstevel@tonic-gate struct header {
229*0Sstevel@tonic-gate 	char	*h_to;			/* Dynamic "To:" string */
230*0Sstevel@tonic-gate 	char	*h_subject;		/* Subject string */
231*0Sstevel@tonic-gate 	char	*h_cc;			/* Carbon copies string */
232*0Sstevel@tonic-gate 	char	*h_bcc;			/* Blind carbon copies */
233*0Sstevel@tonic-gate 	char	*h_defopt;		/* Default options */
234*0Sstevel@tonic-gate 	char	**h_others;		/* Other header lines */
235*0Sstevel@tonic-gate 	int	h_seq;			/* Sequence for optimization */
236*0Sstevel@tonic-gate };
237*0Sstevel@tonic-gate 
238*0Sstevel@tonic-gate /*
239*0Sstevel@tonic-gate  * Structure of namelist nodes used in processing
240*0Sstevel@tonic-gate  * the recipients of mail and aliases and all that
241*0Sstevel@tonic-gate  * kind of stuff.
242*0Sstevel@tonic-gate  */
243*0Sstevel@tonic-gate 
244*0Sstevel@tonic-gate struct name {
245*0Sstevel@tonic-gate 	struct	name *n_flink;		/* Forward link in list. */
246*0Sstevel@tonic-gate 	struct	name *n_blink;		/* Backward list link */
247*0Sstevel@tonic-gate 	short	n_type;			/* From which list it came */
248*0Sstevel@tonic-gate 	char	*n_name;		/* This fella's name */
249*0Sstevel@tonic-gate 	char	*n_full;		/* Full name */
250*0Sstevel@tonic-gate };
251*0Sstevel@tonic-gate 
252*0Sstevel@tonic-gate /*
253*0Sstevel@tonic-gate  * Structure of a variable node.  All variables are
254*0Sstevel@tonic-gate  * kept on a singly-linked list of these, rooted by
255*0Sstevel@tonic-gate  * "variables"
256*0Sstevel@tonic-gate  */
257*0Sstevel@tonic-gate 
258*0Sstevel@tonic-gate struct var {
259*0Sstevel@tonic-gate 	struct	var *v_link;		/* Forward link to next variable */
260*0Sstevel@tonic-gate 	char	*v_name;		/* The variable's name */
261*0Sstevel@tonic-gate 	char	*v_value;		/* And it's current value */
262*0Sstevel@tonic-gate };
263*0Sstevel@tonic-gate 
264*0Sstevel@tonic-gate struct mgroup {
265*0Sstevel@tonic-gate 	struct	mgroup *ge_link;	/* Next person in this group */
266*0Sstevel@tonic-gate 	char	*ge_name;		/* This person's user name */
267*0Sstevel@tonic-gate };
268*0Sstevel@tonic-gate 
269*0Sstevel@tonic-gate struct grouphead {
270*0Sstevel@tonic-gate 	struct	grouphead *g_link;	/* Next grouphead in list */
271*0Sstevel@tonic-gate 	char	*g_name;		/* Name of this group */
272*0Sstevel@tonic-gate 	struct	mgroup *g_list;		/* Users in group. */
273*0Sstevel@tonic-gate };
274*0Sstevel@tonic-gate 
275*0Sstevel@tonic-gate #define	NIL	((struct name *) 0)	/* The nil pointer for namelists */
276*0Sstevel@tonic-gate #define	NONE	((struct cmd *) 0)	/* The nil pointer to command tab */
277*0Sstevel@tonic-gate #define	NOVAR	((struct var *) 0)	/* The nil pointer to variables */
278*0Sstevel@tonic-gate #define	NOGRP	((struct grouphead *) 0)/* The nil grouphead pointer */
279*0Sstevel@tonic-gate #define	NOGE	((struct mgroup *) 0)	/* The nil group pointer */
280*0Sstevel@tonic-gate #define	NOFP	((struct fplst *) 0)	/* The nil file pointer */
281*0Sstevel@tonic-gate 
282*0Sstevel@tonic-gate #define TRUE	1
283*0Sstevel@tonic-gate #define FALSE	0
284*0Sstevel@tonic-gate 
285*0Sstevel@tonic-gate #define DEADPERM	0600		/* permissions of dead.letter */
286*0Sstevel@tonic-gate #define TEMPPERM	0600		/* permissions of temp files */
287*0Sstevel@tonic-gate #define MBOXPERM	0600		/* permissions of ~/mbox */
288*0Sstevel@tonic-gate 
289*0Sstevel@tonic-gate #ifndef	MFMODE
290*0Sstevel@tonic-gate # define MFMODE		0600		/* create mode for `/var/mail' files */
291*0Sstevel@tonic-gate #endif
292*0Sstevel@tonic-gate 
293*0Sstevel@tonic-gate /*
294*0Sstevel@tonic-gate  * Structure of the hash table of ignored header fields
295*0Sstevel@tonic-gate  */
296*0Sstevel@tonic-gate struct ignore {
297*0Sstevel@tonic-gate 	struct ignore	*i_link;	/* Next ignored field in bucket */
298*0Sstevel@tonic-gate 	char		*i_field;	/* This ignored field */
299*0Sstevel@tonic-gate };
300*0Sstevel@tonic-gate 
301*0Sstevel@tonic-gate #ifdef preSVr4
302*0Sstevel@tonic-gate struct utimbuf {
303*0Sstevel@tonic-gate 	time_t	actime;
304*0Sstevel@tonic-gate 	time_t	modtime;
305*0Sstevel@tonic-gate };
306*0Sstevel@tonic-gate #else
307*0Sstevel@tonic-gate #  include	<utime.h>
308*0Sstevel@tonic-gate #endif
309*0Sstevel@tonic-gate 
310*0Sstevel@tonic-gate /*
311*0Sstevel@tonic-gate  * Token values returned by the scanner used for argument lists.
312*0Sstevel@tonic-gate  * Also, sizes of scanner-related things.
313*0Sstevel@tonic-gate  */
314*0Sstevel@tonic-gate 
315*0Sstevel@tonic-gate #define	TEOL		0		/* End of the command line */
316*0Sstevel@tonic-gate #define	TNUMBER		1		/* A message number */
317*0Sstevel@tonic-gate #define	TDASH		2		/* A simple dash */
318*0Sstevel@tonic-gate #define	TSTRING		3		/* A string (possibly containing -) */
319*0Sstevel@tonic-gate #define	TDOT		4		/* A "." */
320*0Sstevel@tonic-gate #define	TUP		5		/* An "^" */
321*0Sstevel@tonic-gate #define	TDOLLAR		6		/* A "$" */
322*0Sstevel@tonic-gate #define	TSTAR		7		/* A "*" */
323*0Sstevel@tonic-gate #define	TOPEN		8		/* An '(' */
324*0Sstevel@tonic-gate #define	TCLOSE		9		/* A ')' */
325*0Sstevel@tonic-gate #define TPLUS		10		/* A '+' */
326*0Sstevel@tonic-gate 
327*0Sstevel@tonic-gate #define	REGDEP		2		/* Maximum regret depth. */
328*0Sstevel@tonic-gate #define	STRINGLEN	1024		/* Maximum length of string token */
329*0Sstevel@tonic-gate 
330*0Sstevel@tonic-gate /*
331*0Sstevel@tonic-gate  * Constants for conditional commands.  These describe whether
332*0Sstevel@tonic-gate  * we should be executing stuff or not.
333*0Sstevel@tonic-gate  */
334*0Sstevel@tonic-gate 
335*0Sstevel@tonic-gate #define	CANY		0		/* Execute in send or receive mode */
336*0Sstevel@tonic-gate #define	CRCV		1		/* Execute in receive mode only */
337*0Sstevel@tonic-gate #define	CSEND		2		/* Execute in send mode only */
338*0Sstevel@tonic-gate #define	CTTY		3		/* Execute if attached to a tty only */
339*0Sstevel@tonic-gate #define	CNOTTY		4		/* Execute if not attached to a tty */
340*0Sstevel@tonic-gate 
341*0Sstevel@tonic-gate /*
342*0Sstevel@tonic-gate  * Flags for msend().
343*0Sstevel@tonic-gate  */
344*0Sstevel@tonic-gate 
345*0Sstevel@tonic-gate #define	M_IGNORE	1		/* Do "ignore/retain" processing */
346*0Sstevel@tonic-gate #define	M_SAVING	2		/* Saving to a file/folder */
347*0Sstevel@tonic-gate 
348*0Sstevel@tonic-gate /*
349*0Sstevel@tonic-gate  * VM/UNIX has a vfork system call which is faster than forking.  If we
350*0Sstevel@tonic-gate  * don't have it, fork(2) will do . . .
351*0Sstevel@tonic-gate  */
352*0Sstevel@tonic-gate 
353*0Sstevel@tonic-gate #if !defined(VMUNIX) && defined(preSVr4)
354*0Sstevel@tonic-gate #define	vfork()	fork()
355*0Sstevel@tonic-gate #endif
356*0Sstevel@tonic-gate #ifndef	SIGRETRO
357*0Sstevel@tonic-gate #define	sigchild()
358*0Sstevel@tonic-gate #endif
359*0Sstevel@tonic-gate 
360*0Sstevel@tonic-gate 
361*0Sstevel@tonic-gate /*
362*0Sstevel@tonic-gate  * 4.2bsd signal interface help...
363*0Sstevel@tonic-gate  */
364*0Sstevel@tonic-gate #ifdef VMUNIX
365*0Sstevel@tonic-gate #define	sigset(s, a)	signal(s, a)
366*0Sstevel@tonic-gate #define	sigsys(s, a)	signal(s, a)
367*0Sstevel@tonic-gate #else
368*0Sstevel@tonic-gate #ifndef preSVr4
369*0Sstevel@tonic-gate /* SVr4 version of sigset() in fio.c */
370*0Sstevel@tonic-gate #define	sigsys(s, a)	signal(s, a)
371*0Sstevel@tonic-gate #define	setjmp(x)	sigsetjmp((x), 1)
372*0Sstevel@tonic-gate #define	longjmp		siglongjmp
373*0Sstevel@tonic-gate #define	jmp_buf		sigjmp_buf
374*0Sstevel@tonic-gate #else
375*0Sstevel@tonic-gate #define	OLD_BSD_SIGS
376*0Sstevel@tonic-gate #endif
377*0Sstevel@tonic-gate #endif
378*0Sstevel@tonic-gate 
379*0Sstevel@tonic-gate /*
380*0Sstevel@tonic-gate  * Truncate a file to the last character written. This is
381*0Sstevel@tonic-gate  * useful just before closing an old file that was opened
382*0Sstevel@tonic-gate  * for read/write.
383*0Sstevel@tonic-gate  */
384*0Sstevel@tonic-gate #define trunc(stream)	ftruncate(fileno(stream), (long) ftell(stream))
385*0Sstevel@tonic-gate 
386*0Sstevel@tonic-gate /*
387*0Sstevel@tonic-gate  * The pointers for the string allocation routines,
388*0Sstevel@tonic-gate  * there are NSPACE independent areas.
389*0Sstevel@tonic-gate  * The first holds STRINGSIZE bytes, the next
390*0Sstevel@tonic-gate  * twice as much, and so on.
391*0Sstevel@tonic-gate  */
392*0Sstevel@tonic-gate 
393*0Sstevel@tonic-gate #define	NSPACE	25			/* Total number of string spaces */
394*0Sstevel@tonic-gate struct strings {
395*0Sstevel@tonic-gate 	char	*s_topFree;		/* Beginning of this area */
396*0Sstevel@tonic-gate 	char	*s_nextFree;		/* Next alloctable place here */
397*0Sstevel@tonic-gate 	unsigned s_nleft;		/* Number of bytes left here */
398*0Sstevel@tonic-gate };
399*0Sstevel@tonic-gate 
400*0Sstevel@tonic-gate /* The following typedefs must be used in SVR4 */
401*0Sstevel@tonic-gate #ifdef preSVr4
402*0Sstevel@tonic-gate #ifndef sun
403*0Sstevel@tonic-gate typedef int gid_t;
404*0Sstevel@tonic-gate typedef int uid_t;
405*0Sstevel@tonic-gate typedef int mode_t;
406*0Sstevel@tonic-gate typedef int pid_t;
407*0Sstevel@tonic-gate #endif
408*0Sstevel@tonic-gate #endif
409*0Sstevel@tonic-gate 
410*0Sstevel@tonic-gate #define	STSIZ	40
411*0Sstevel@tonic-gate #define	TMPSIZ	14
412*0Sstevel@tonic-gate /*
413*0Sstevel@tonic-gate  * Forward declarations of routine types to keep lint and cc happy.
414*0Sstevel@tonic-gate  */
415*0Sstevel@tonic-gate 
416*0Sstevel@tonic-gate extern int		Copy(int *msgvec);
417*0Sstevel@tonic-gate extern FILE		*Fdopen(int fildes, char *mode);
418*0Sstevel@tonic-gate extern int		Followup(int *msgvec);
419*0Sstevel@tonic-gate extern char		*Getf(register char *s);
420*0Sstevel@tonic-gate extern int		More(int *msgvec);
421*0Sstevel@tonic-gate extern int		Respond(int *msgvec);
422*0Sstevel@tonic-gate extern int		Save(int *msgvec);
423*0Sstevel@tonic-gate extern int		Sendm(char *str);
424*0Sstevel@tonic-gate extern int		Sput(char str[]);
425*0Sstevel@tonic-gate extern int		Type(int *msgvec);
426*0Sstevel@tonic-gate extern void		Verhogen(void);
427*0Sstevel@tonic-gate extern char		*addone(char hf[], char news[]);
428*0Sstevel@tonic-gate extern char		*addto(char hf[], char news[]);
429*0Sstevel@tonic-gate extern void		alter(char name[]);
430*0Sstevel@tonic-gate extern int		alternates(char **namelist);
431*0Sstevel@tonic-gate extern void		announce(void);
432*0Sstevel@tonic-gate extern int		any(int ch, char *str);
433*0Sstevel@tonic-gate extern int		anyof(register char *s1, register char *s2);
434*0Sstevel@tonic-gate extern int		argcount(char **argv);
435*0Sstevel@tonic-gate extern void		assign(char name[], char value[]);
436*0Sstevel@tonic-gate extern int		blankline(const char linebuf[]);
437*0Sstevel@tonic-gate extern struct name	*cat(struct name *n1, struct name *n2);
438*0Sstevel@tonic-gate extern FILE		*collect(struct header *hp);
439*0Sstevel@tonic-gate extern void		commands(void);
440*0Sstevel@tonic-gate extern char		*copy(char *str1, char *str2);
441*0Sstevel@tonic-gate extern int		copycmd(char str[]);
442*0Sstevel@tonic-gate extern int		deassign(register char *s);
443*0Sstevel@tonic-gate extern int		delm(int *msgvec);
444*0Sstevel@tonic-gate extern struct name	*delname(register struct name *np, char name[]);
445*0Sstevel@tonic-gate extern int		deltype(int msgvec[]);
446*0Sstevel@tonic-gate extern char		*detract(register struct name *np, int ntype);
447*0Sstevel@tonic-gate extern int		docomma(char *s);
448*0Sstevel@tonic-gate extern int		dopipe(char str[]);
449*0Sstevel@tonic-gate extern int		dosh(char *str);
450*0Sstevel@tonic-gate extern int		echo(register char **argv);
451*0Sstevel@tonic-gate extern int		editor(int *msgvec);
452*0Sstevel@tonic-gate extern int		edstop(int noremove);
453*0Sstevel@tonic-gate extern struct name	*elide(struct name *names);
454*0Sstevel@tonic-gate extern int		elsecmd(void);
455*0Sstevel@tonic-gate extern int		endifcmd(void);
456*0Sstevel@tonic-gate extern int		execute(char linebuf[], int contxt);
457*0Sstevel@tonic-gate extern char		*expand(char *name);
458*0Sstevel@tonic-gate extern struct name	*extract(char line[], int arg_ntype);
459*0Sstevel@tonic-gate extern int		fferror(FILE *iob);
460*0Sstevel@tonic-gate extern int		field(char str[]);
461*0Sstevel@tonic-gate extern int		file(char **argv);
462*0Sstevel@tonic-gate extern struct grouphead	*findgroup(char name[]);
463*0Sstevel@tonic-gate extern void		findmail(char *name);
464*0Sstevel@tonic-gate extern int		first(int f, int m);
465*0Sstevel@tonic-gate extern void		flush(void);
466*0Sstevel@tonic-gate extern int		folders(char **arglist);
467*0Sstevel@tonic-gate extern int		followup(int *msgvec);
468*0Sstevel@tonic-gate extern int		from(int *msgvec);
469*0Sstevel@tonic-gate extern off_t		fsize(FILE *iob);
470*0Sstevel@tonic-gate extern int		getfold(char *name);
471*0Sstevel@tonic-gate extern int		gethfield(register FILE *f, char linebuf[], register long rem);
472*0Sstevel@tonic-gate extern int		getline(char *line, int size, FILE *f, int *hasnulls);
473*0Sstevel@tonic-gate extern int		getmsglist(char *buf, int *vector, int flags);
474*0Sstevel@tonic-gate extern int		getname(uid_t uid, char namebuf[]);
475*0Sstevel@tonic-gate extern int		getrawlist(char line[], char **argv, int argc);
476*0Sstevel@tonic-gate extern void		getrecf(char *buf, char *recfile, int useauthor, int sz_recfile);
477*0Sstevel@tonic-gate extern uid_t		getuserid(char name[]);
478*0Sstevel@tonic-gate extern int		grabh(register struct header *hp, int gflags, int subjtop);
479*0Sstevel@tonic-gate extern int		group(char **argv);
480*0Sstevel@tonic-gate extern void		hangup(int);
481*0Sstevel@tonic-gate extern int		hash(char name[]);
482*0Sstevel@tonic-gate extern char		*hcontents(char hfield[]);
483*0Sstevel@tonic-gate extern int		headerp(register char *line);
484*0Sstevel@tonic-gate extern int		headers(int *msgvec);
485*0Sstevel@tonic-gate extern int		help(void);
486*0Sstevel@tonic-gate extern char		*helppath(char *file);
487*0Sstevel@tonic-gate extern char		*hfield(char field[], struct message *mp, char *(*add)(char *, char *));
488*0Sstevel@tonic-gate extern void		holdsigs(void);
489*0Sstevel@tonic-gate extern int		icequal(register char *s1, register char *s2);
490*0Sstevel@tonic-gate extern int		ifcmd(char **argv);
491*0Sstevel@tonic-gate extern int		igfield(char *list[]);
492*0Sstevel@tonic-gate extern int		inc(void);
493*0Sstevel@tonic-gate extern void		inithost(void);
494*0Sstevel@tonic-gate extern int		isdir(char name[]);
495*0Sstevel@tonic-gate extern int		ishead(char linebuf[]);
496*0Sstevel@tonic-gate extern int		ishfield(char linebuf[], char field[]);
497*0Sstevel@tonic-gate extern int		ishost(char *sys, char *rest);
498*0Sstevel@tonic-gate extern int		isign(char *field, int saving);
499*0Sstevel@tonic-gate extern void		istrcpy(char *dest, int dstsize, char *src);
500*0Sstevel@tonic-gate extern void		lcwrite(char *fn, FILE *fi, FILE *fo, int addnl);
501*0Sstevel@tonic-gate extern void		load(char *name);
502*0Sstevel@tonic-gate extern int		loadmsg(char str[]);
503*0Sstevel@tonic-gate extern int		lock(FILE *fp, char *mode, int blk);
504*0Sstevel@tonic-gate extern void		lockmail(void);
505*0Sstevel@tonic-gate extern int		mail(char **people);
506*0Sstevel@tonic-gate extern void		mail1(struct header *hp, int use_to, char *orig_to);
507*0Sstevel@tonic-gate extern void		mapf(register struct name *np, char *from);
508*0Sstevel@tonic-gate extern int		mboxit(int msgvec[]);
509*0Sstevel@tonic-gate extern void		mechk(struct name *names);
510*0Sstevel@tonic-gate extern int		member(register char *realfield, register struct ignore **table);
511*0Sstevel@tonic-gate extern int		messize(int *msgvec);
512*0Sstevel@tonic-gate extern void		minit(void);
513*0Sstevel@tonic-gate extern int		more(int *msgvec);
514*0Sstevel@tonic-gate extern long		msend(struct message *mailp, FILE *obuf, int flag, int (*fp)(const char *, FILE *));
515*0Sstevel@tonic-gate extern int		my_fclose(register FILE *iop);
516*0Sstevel@tonic-gate extern FILE		*my_fopen(char *file, char *mode);
517*0Sstevel@tonic-gate extern char		*nameof(register struct message *mp);
518*0Sstevel@tonic-gate extern char		*netmap(char name[], char from[]);
519*0Sstevel@tonic-gate extern int		newfileinfo(int start);
520*0Sstevel@tonic-gate extern int		next(int *msgvec);
521*0Sstevel@tonic-gate extern int		npclose(FILE *ptr);
522*0Sstevel@tonic-gate extern FILE		*npopen(char *cmd, char *mode);
523*0Sstevel@tonic-gate extern char		*nstrcpy(char *dst, int dstsize, char *src);
524*0Sstevel@tonic-gate extern char		*nstrcat(char *dst, int dstsize, char *src);
525*0Sstevel@tonic-gate extern int		null(char *e);
526*0Sstevel@tonic-gate extern int		outof(struct name *names, FILE *fo);
527*0Sstevel@tonic-gate extern struct name	*outpre(struct name *to);
528*0Sstevel@tonic-gate extern void		panic(char *str);
529*0Sstevel@tonic-gate extern void		parse(char line[], struct headline *hl, char pbuf[]);
530*0Sstevel@tonic-gate extern int		pcmdlist(void);
531*0Sstevel@tonic-gate extern int		pdot(void);
532*0Sstevel@tonic-gate extern int		preserve(int *msgvec);
533*0Sstevel@tonic-gate extern void		printgroup(char name[]);
534*0Sstevel@tonic-gate extern void		printhead(int mesg);
535*0Sstevel@tonic-gate extern int		puthead(struct header *hp, FILE *fo, int w, long clen);
536*0Sstevel@tonic-gate extern int		pversion(char *e);
537*0Sstevel@tonic-gate extern void		quit(int noremove);
538*0Sstevel@tonic-gate extern int		readline(FILE *ibuf, char *linebuf);
539*0Sstevel@tonic-gate extern void		receipt(struct message *mp);
540*0Sstevel@tonic-gate extern void		relsesigs(void);
541*0Sstevel@tonic-gate extern int		removefile(char name[]);
542*0Sstevel@tonic-gate extern int		replyall(int *msgvec);
543*0Sstevel@tonic-gate extern int		replysender(int *msgvec);
544*0Sstevel@tonic-gate extern int		respond(int *msgvec);
545*0Sstevel@tonic-gate extern int		retfield(char *list[]);
546*0Sstevel@tonic-gate extern int		rexit(int e);
547*0Sstevel@tonic-gate extern char		*safeexpand(char name[]);
548*0Sstevel@tonic-gate extern void		*salloc(unsigned size);
549*0Sstevel@tonic-gate extern void		*srealloc(void *optr, unsigned size);
550*0Sstevel@tonic-gate extern int		samebody(register char *user, register char *addr,
551*0Sstevel@tonic-gate 			    int fuzzy);
552*0Sstevel@tonic-gate extern int		save(char str[]);
553*0Sstevel@tonic-gate extern void		savedead(int s);
554*0Sstevel@tonic-gate extern char		*savestr(char *str);
555*0Sstevel@tonic-gate extern int		schdir(char *str);
556*0Sstevel@tonic-gate extern int		screensize(void);
557*0Sstevel@tonic-gate extern int		scroll(char arg[]);
558*0Sstevel@tonic-gate extern int		sendm(char *str);
559*0Sstevel@tonic-gate extern int		set(char **arglist);
560*0Sstevel@tonic-gate extern void		setclen(register struct message *mp);
561*0Sstevel@tonic-gate extern int		setfile(char *name, int isedit);
562*0Sstevel@tonic-gate extern FILE		*setinput(register struct message *mp);
563*0Sstevel@tonic-gate extern void		setptr(register FILE *ibuf);
564*0Sstevel@tonic-gate extern int		shell(char *str);
565*0Sstevel@tonic-gate #ifndef sigchild
566*0Sstevel@tonic-gate extern void		sigchild(void);
567*0Sstevel@tonic-gate #endif
568*0Sstevel@tonic-gate #ifndef sigset
569*0Sstevel@tonic-gate extern void		(*sigset())();
570*0Sstevel@tonic-gate #endif
571*0Sstevel@tonic-gate extern char		*skin(char *name);
572*0Sstevel@tonic-gate extern char		*snarf(char linebuf[], int *flag, int erf);
573*0Sstevel@tonic-gate extern int		source(char name[]);
574*0Sstevel@tonic-gate extern char		*splice(char *addr, char *hdr);
575*0Sstevel@tonic-gate extern int		sput(char str[]);
576*0Sstevel@tonic-gate extern void		sreset(void);
577*0Sstevel@tonic-gate extern void		stop(int s);
578*0Sstevel@tonic-gate extern int		stouch(int msgvec[]);
579*0Sstevel@tonic-gate extern int		substr(char *string1, char *string2);
580*0Sstevel@tonic-gate extern int		swrite(char str[]);
581*0Sstevel@tonic-gate extern struct name	*tailof(struct name *name);
582*0Sstevel@tonic-gate extern void		tinit(void);
583*0Sstevel@tonic-gate extern int		tmail(void);
584*0Sstevel@tonic-gate extern int		top(int *msgvec);
585*0Sstevel@tonic-gate extern void		touch(int mesg);
586*0Sstevel@tonic-gate extern struct name	*translate(struct name *np);
587*0Sstevel@tonic-gate extern int		type(int *msgvec);
588*0Sstevel@tonic-gate extern int		undelete(int *msgvec);
589*0Sstevel@tonic-gate extern int		ungroup(char **argv);
590*0Sstevel@tonic-gate extern int		unigfield(char *list[]);
591*0Sstevel@tonic-gate extern void		unlockmail(void);
592*0Sstevel@tonic-gate extern char		**unpack(struct name *np);
593*0Sstevel@tonic-gate extern int		unread(int msgvec[]);
594*0Sstevel@tonic-gate extern int		unretfield(char *list[]);
595*0Sstevel@tonic-gate extern int		unset(char **arglist);
596*0Sstevel@tonic-gate extern int		unstack(void);
597*0Sstevel@tonic-gate extern char		*unuucp(char *name);
598*0Sstevel@tonic-gate extern struct name	*usermap(struct name *names);
599*0Sstevel@tonic-gate extern char		*value(char name[]);
600*0Sstevel@tonic-gate extern char		*vcopy(char str[]);
601*0Sstevel@tonic-gate extern void		vfree(register char *cp);
602*0Sstevel@tonic-gate extern int		visual(int *msgvec);
603*0Sstevel@tonic-gate extern char		*yankword(char *name, char *word, int sz, int comma);
604*0Sstevel@tonic-gate 
605*0Sstevel@tonic-gate /*
606*0Sstevel@tonic-gate  * These functions are defined in libmail.a
607*0Sstevel@tonic-gate  */
608*0Sstevel@tonic-gate #ifdef	__cplusplus
609*0Sstevel@tonic-gate extern "C" {
610*0Sstevel@tonic-gate #endif
611*0Sstevel@tonic-gate extern int		delempty(mode_t, char *);
612*0Sstevel@tonic-gate extern char		*maildomain(void);
613*0Sstevel@tonic-gate extern void		touchlock(void);
614*0Sstevel@tonic-gate extern char		*xgetenv(char *);
615*0Sstevel@tonic-gate extern int		xsetenv(char *);
616*0Sstevel@tonic-gate #ifdef	__cplusplus
617*0Sstevel@tonic-gate }
618*0Sstevel@tonic-gate #endif
619*0Sstevel@tonic-gate 
620*0Sstevel@tonic-gate /*
621*0Sstevel@tonic-gate  * Standard functions from the C library.
622*0Sstevel@tonic-gate  * These are all defined in <stdlib.h> and <wait.h> in SVr4.
623*0Sstevel@tonic-gate  */
624*0Sstevel@tonic-gate #ifdef preSVr4
625*0Sstevel@tonic-gate extern long		atol();
626*0Sstevel@tonic-gate extern char		*getcwd();
627*0Sstevel@tonic-gate extern char		*calloc();
628*0Sstevel@tonic-gate extern char		*getenv();
629*0Sstevel@tonic-gate extern void		exit();
630*0Sstevel@tonic-gate extern void		free();
631*0Sstevel@tonic-gate extern char		*malloc();
632*0Sstevel@tonic-gate extern time_t		time();
633*0Sstevel@tonic-gate extern long		ulimit();
634*0Sstevel@tonic-gate extern int		utime();
635*0Sstevel@tonic-gate extern int		wait();
636*0Sstevel@tonic-gate extern int		fputs();
637*0Sstevel@tonic-gate #endif
638*0Sstevel@tonic-gate 
639*0Sstevel@tonic-gate #ifdef	__cplusplus
640*0Sstevel@tonic-gate }
641*0Sstevel@tonic-gate #endif
642*0Sstevel@tonic-gate 
643*0Sstevel@tonic-gate #endif	/* _MAILX_DEF_H */
644