usr/src/usr.sbin/sendmail/src/conf.h

/*
 * Copyright (c) 1983 Eric P. Allman
 * Copyright (c) 1988, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)conf.h	8.9 (Berkeley) %G%
 */

/*
**  CONF.H -- All user-configurable parameters for sendmail
*/

# include <sys/param.h>
# include <sys/stat.h>
# include <fcntl.h>

/**********************************************************************
**  Table sizes, etc....
**	There shouldn't be much need to change these....
**********************************************************************/

# define MAXLINE	2048		/* max line length */
# define MAXNAME	256		/* max length of a name */
# define MAXPV		40		/* max # of parms to mailers */
# define MAXATOM	200		/* max atoms per address */
# define MAXMAILERS	25		/* maximum mailers known to system */
# define MAXRWSETS	100		/* max # of sets of rewriting rules */
# define MAXPRIORITIES	25		/* max values for Precedence: field */
# define MAXMXHOSTS	20		/* max # of MX records */
# define SMTPLINELIM	990		/* maximum SMTP line length */
# define MAXKEY		128		/* maximum size of a database key */
# define MEMCHUNKSIZE	1024		/* chunk size for memory allocation */
# define MAXUSERENVIRON	100		/* max envars saved, must be >= 3 */
# define MAXIPADDR	16		/* max # of IP addrs for this host */
# define MAXALIASDB	12		/* max # of alias databases */
# define PSBUFSIZE	(MAXLINE + MAXATOM)	/* size of prescan buffer */

# ifndef QUEUESIZE
# define QUEUESIZE	1000		/* max # of jobs per queue run */
# endif

/**********************************************************************
**  Compilation options.
**
**	#define these if they are available; comment them out otherwise.
**********************************************************************/

# define LOG		1	/* enable logging */
# define UGLYUUCP	1	/* output ugly UUCP From lines */
# define NETINET	1	/* include internet support */
# define SETPROCTITLE	1	/* munge argv to display current status */
# define NAMED_BIND	1	/* use Berkeley Internet Domain Server */
# define MATCHGECOS	1	/* match user names from gecos field */
# define XDEBUG		1	/* enable extended debugging */

# ifdef NEWDB
# define USERDB		1	/* look in user database (requires NEWDB) */
# endif

/**********************************************************************
**  Operating system configuration.
**
**	Unless you are porting to a new OS, you shouldn't have to
**	change these.
**********************************************************************/

/*
**  Per-Operating System defines
*/

/*
**  HP-UX -- tested for 8.07
*/

# ifdef __hpux
# define SYSTEM5	1	/* include all the System V defines */
# define HASSETREUID	1	/* have setreuid(2) call */
# define setreuid(r, e)		setresuid(r, e, -1)
# define LA_TYPE	LA_FLOAT
# define _PATH_UNIX	"/hp-ux"
# endif

/*
**  IBM AIX 3.x -- actually tested for 3.2.3
*/

# ifdef _AIX3
# define LOCKF		1	/* use System V lockf instead of flock */
# define FORK		fork	/* no vfork primitive available */
# endif

/*
**  Silicon Graphics IRIX
**
**	Compiles on 4.0.1.
*/

# ifdef IRIX
# define HASSETREUID	1	/* have setreuid(2) call */
# define FORK		fork	/* no vfork primitive available */
# define setpgrp	BSDsetpgrp
# define GIDSET_T	gid_t
# endif


/*
**  SunOS
*/

#if defined(sun) && !defined(BSD)

# define LA_TYPE	LA_INT

# ifdef SOLARIS
			/* Solaris 2.x (a.k.a. SunOS 5.x) */
#  define SYSTEM5	1	/* use System V definitions */
#  include <sys/time.h>
#  define _PATH_UNIX	"/kernel/unix"
#  ifndef _PATH_SENDMAILCF
#   define _PATH_SENDMAILCF	"/etc/mail/sendmail.cf"
#   define _PATH_SENDMAILPID	"/etc/mail/sendmail.pid"
#  endif

# else
			/* SunOS 4.1.x */
#  define HASSTATFS	1	/* has the statfs(2) syscall */
#  define HASSETREUID	1	/* have setreuid(2) call */
#  include <vfork.h>

# endif
#endif

/*
**  Digital Ultrix 4.2A or 4.3
*/

#ifdef ultrix
# define HASSTATFS	1	/* has the statfs(2) syscall */
# define HASSETREUID	1	/* have setreuid(2) call */
# define HASSETENV	1	/* has setenv(3) call */
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define LA_TYPE	LA_INT
# define LA_AVENRUN	"avenrun"
#endif

/*
**  OSF/1 (tested on Alpha)
*/

#ifdef __osf__
# define HASSETENV	1	/* has setenv(3) call */
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define HASSETREUID	1	/* have setreuid(2) call */
# define LA_TYPE	LA_INT
# define LA_AVENRUN	"avenrun"
#endif

/*
**  NeXTstep
*/

#ifdef __NeXT__
# define sleep		sleepX
# define LA_TYPE	LA_ZERO
#endif

/*
**  4.4 BSD
*/

#ifdef BSD4_4
# include <sys/cdefs.h>
# define ERRLIST_PREDEFINED	/* don't declare sys_errlist */
#endif

/*
**  SCO Unix
*/

#ifdef _SCO_unix_
# define SYSTEM5	1	/* include all the System V defines */
# define FORK		fork
# define MAXPATHLEN	PATHSIZE
# define LA_TYPE	LA_ZERO
#endif

/*
**  ConvexOS 11.0 and later
*/

#ifdef _CONVEX_SOURCE
# define SYSTEM5	1	/* include all the System V defines */
# define HASSTATFS	1	/* has the statfs(2) syscall */
# define HASSETSID	1	/* has POSIX setsid(2) call */
# define HASINITGROUPS	1	/* has initgroups(2) call */
# define HASGETDTABLESIZE 1	/* we have getdtablesize(2) call */
# define HASSETREUID	1	/* have setreuid(2) call */
# define LA_TYPE	LA_FLOAT
#endif

/*
**  RISC/os 4.51
**
**	Untested...
*/

#ifdef RISCOS
# define HASSETENV	1	/* has setenv(3) call */
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define LA_TYPE	LA_INT
# define LA_AVENRUN	"avenrun"
# define _PATH_UNIX	"/unix"
#endif

/**********************************************************************
**  End of Per-Operating System defines
**********************************************************************/

/**********************************************************************
**  More general defines
**********************************************************************/

/* general BSD defines */
#ifdef BSD
# define HASSETENV	1	/* has setenv(3) call */
# define HASUNSETENV	1	/* has unsetenv(3) call */
# define HASGETDTABLESIZE 1	/* we have getdtablesize(2) call */
# define HASSETREUID	1	/* have setreuid(2) call */
# ifndef LA_TYPE
#  define LA_TYPE	LA_SUBR
# endif
#endif

/* general System V defines */
# ifdef SYSTEM5
# define LOCKF		1	/* use System V locking instead of flock */
# define HASUNAME	1	/* use System V uname(2) system call */
# define HASUSTAT	1	/* use System V ustat(2) syscall */
# ifndef LA_TYPE
#  define LA_TYPE	LA_INT
# endif
# define bcopy(s, d, l)		(memmove((d), (s), (l)))
# define bzero(d, l)		(memset((d), '\0', (l)))
# define bcmp(s, d, l)		(memcmp((s), (d), (l)))
# endif

/* general "standard C" defines */
#if defined(__STDC__) || defined(SYSTEM5)
# define HASSETVBUF	1	/* we have setvbuf(3) in libc */
#endif

/* general POSIX defines */
#ifdef _POSIX_VERSION
# define HASSETSID	1	/* has setsid(2) call */
#endif

/*
**  Due to a "feature" in some operating systems such as Ultrix 4.3 and
**  HPUX 8.0, if you receive a "No route to host" message (ICMP message
**  ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
**  are closed.  Some firewalls return this error if you try to connect
**  to the IDENT port (113), so you can't receive email from these hosts
**  on these systems.  The firewall really should use a more specific
**  message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.
*/

#if !defined(ultrix) && !defined(__hpux)
# define IDENTPROTO	1	/* use IDENT proto (RFC 1413) */
#endif

/*
**  If no type for argument two of getgroups call is defined, assume
**  it's an integer -- unfortunately, there seem to be several choices
**  here.
*/

#ifndef GIDSET_T
# define GIDSET_T	int
#endif

/*
**  Remaining definitions should never have to be changed.  They are
**  primarily to provide back compatibility for older systems -- for
**  example, it includes some POSIX compatibility definitions
*/

/* System 5 compatibility */
#ifndef S_ISREG
#define S_ISREG(foo)	((foo & S_IFREG) == S_IFREG)
#endif
#ifndef S_IWGRP
#define S_IWGRP		020
#endif
#ifndef S_IWOTH
#define S_IWOTH		002
#endif

/*
**  Older systems don't have this error code -- it should be in
**  /usr/include/sysexits.h.
*/

# ifndef EX_CONFIG
# define EX_CONFIG	78	/* configuration error */
# endif

#ifndef __P
# include "cdefs.h"
#endif

/*
**  Do some required dependencies
*/

#if defined(NETINET) || defined(NETISO)
# define SMTP		1	/* enable user and server SMTP */
# define QUEUE		1	/* enable queueing */
# define DAEMON		1	/* include the daemon (requires IPC & SMTP) */
#endif


/*
**  Arrange to use either varargs or stdargs
*/

# ifdef __STDC__

# include <stdarg.h>

# define VA_LOCAL_DECL	va_list ap;
# define VA_START(f)	va_start(ap, f)
# define VA_END		va_end(ap)

# else

# include <varargs.h>

# define VA_LOCAL_DECL	va_list ap;
# define VA_START(f)	va_start(ap)
# define VA_END		va_end(ap)

# endif

#ifdef HASUNAME
# include <sys/utsname.h>
# ifdef newstr
#  undef newstr
# endif
#else /* ! HASUNAME */
# define NODE_LENGTH 32
struct utsname
{
	char nodename[NODE_LENGTH+1];
};
#endif /* HASUNAME */

#if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_)
# define MAXHOSTNAMELEN	256
#endif

#if !defined(SIGCHLD) && defined(SIGCLD)
# define SIGCHLD	SIGCLD
#endif

#ifndef STDIN_FILENO
#define STDIN_FILENO	0
#endif

#ifndef STDOUT_FILENO
#define STDOUT_FILENO	1
#endif

#ifndef STDERR_FILENO
#define STDERR_FILENO	2
#endif

#ifdef LOCKF
#define LOCK_SH		0x01	/* shared lock */
#define LOCK_EX		0x02	/* exclusive lock */
#define LOCK_NB		0x04	/* non-blocking lock */
#define LOCK_UN		0x08	/* unlock */

#else

# include <sys/file.h>

#endif

/*
**  Size of tobuf (deliver.c)
**	Tweak this to match your syslog implementation.  It will have to
**	allow for the extra information printed.
*/

#ifndef TOBUFSIZE
# define TOBUFSIZE (1024 - 256)
#endif

/* fork routine -- set above using #ifdef _osname_ or in Makefile */
# ifndef FORK
# define FORK		vfork		/* function to call to fork mailer */
# endif
Commit	Line	Data
	1	/*
	2	* Copyright (c) 1983 Eric P. Allman
	3	* Copyright (c) 1988, 1993
	4	* The Regents of the University of California. All rights reserved.
	5	*
	6	* %sccs.include.redist.c%
	7	*
	8	* @(#)conf.h 8.9 (Berkeley) %G%
	9	*/
	10
	11	/*
	12	** CONF.H -- All user-configurable parameters for sendmail
	13	*/
	14
	15	# include <sys/param.h>
	16	# include <sys/stat.h>
	17	# include <fcntl.h>
	18
	19	/**********************************************************************
	20	** Table sizes, etc....
	21	** There shouldn't be much need to change these....
	22	**********************************************************************/
	23
	24	# define MAXLINE 2048 /* max line length */
	25	# define MAXNAME 256 /* max length of a name */
	26	# define MAXPV 40 /* max # of parms to mailers */
	27	# define MAXATOM 200 /* max atoms per address */
	28	# define MAXMAILERS 25 /* maximum mailers known to system */
	29	# define MAXRWSETS 100 /* max # of sets of rewriting rules */
	30	# define MAXPRIORITIES 25 /* max values for Precedence: field */
	31	# define MAXMXHOSTS 20 /* max # of MX records */
	32	# define SMTPLINELIM 990 /* maximum SMTP line length */
	33	# define MAXKEY 128 /* maximum size of a database key */
	34	# define MEMCHUNKSIZE 1024 /* chunk size for memory allocation */
	35	# define MAXUSERENVIRON 100 /* max envars saved, must be >= 3 */
	36	# define MAXIPADDR 16 /* max # of IP addrs for this host */
	37	# define MAXALIASDB 12 /* max # of alias databases */
	38	# define PSBUFSIZE (MAXLINE + MAXATOM) /* size of prescan buffer */
	39
	40	# ifndef QUEUESIZE
	41	# define QUEUESIZE 1000 /* max # of jobs per queue run */
	42	# endif
	43
	44	/**********************************************************************
	45	** Compilation options.
	46	**
	47	** #define these if they are available; comment them out otherwise.
	48	**********************************************************************/
	49
	50	# define LOG 1 /* enable logging */
	51	# define UGLYUUCP 1 /* output ugly UUCP From lines */
	52	# define NETINET 1 /* include internet support */
	53	# define SETPROCTITLE 1 /* munge argv to display current status */
	54	# define NAMED_BIND 1 /* use Berkeley Internet Domain Server */
	55	# define MATCHGECOS 1 /* match user names from gecos field */
	56	# define XDEBUG 1 /* enable extended debugging */
	57
	58	# ifdef NEWDB
	59	# define USERDB 1 /* look in user database (requires NEWDB) */
	60	# endif
	61
	62	/**********************************************************************
	63	** Operating system configuration.
	64	**
	65	** Unless you are porting to a new OS, you shouldn't have to
	66	** change these.
	67	**********************************************************************/
	68
	69	/*
	70	** Per-Operating System defines
	71	*/
	72
	73	/*
	74	** HP-UX -- tested for 8.07
	75	*/
	76
	77	# ifdef __hpux
	78	# define SYSTEM5 1 /* include all the System V defines */
	79	# define HASSETREUID 1 /* have setreuid(2) call */
	80	# define setreuid(r, e) setresuid(r, e, -1)
	81	# define LA_TYPE LA_FLOAT
	82	# define _PATH_UNIX "/hp-ux"
	83	# endif
	84
	85	/*
	86	** IBM AIX 3.x -- actually tested for 3.2.3
	87	*/
	88
	89	# ifdef _AIX3
	90	# define LOCKF 1 /* use System V lockf instead of flock */
	91	# define FORK fork /* no vfork primitive available */
	92	# endif
	93
	94	/*
	95	** Silicon Graphics IRIX
	96	**
	97	** Compiles on 4.0.1.
	98	*/
	99
	100	# ifdef IRIX
	101	# define HASSETREUID 1 /* have setreuid(2) call */
	102	# define FORK fork /* no vfork primitive available */
	103	# define setpgrp BSDsetpgrp
	104	# define GIDSET_T gid_t
	105	# endif
	106
	107
	108	/*
	109	** SunOS
	110	*/
	111
	112	#if defined(sun) && !defined(BSD)
	113
	114	# define LA_TYPE LA_INT
	115
	116	# ifdef SOLARIS
	117	/* Solaris 2.x (a.k.a. SunOS 5.x) */
	118	# define SYSTEM5 1 /* use System V definitions */
	119	# include <sys/time.h>
	120	# define _PATH_UNIX "/kernel/unix"
	121	# ifndef _PATH_SENDMAILCF
	122	# define _PATH_SENDMAILCF "/etc/mail/sendmail.cf"
	123	# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
	124	# endif
	125
	126	# else
	127	/* SunOS 4.1.x */
	128	# define HASSTATFS 1 /* has the statfs(2) syscall */
	129	# define HASSETREUID 1 /* have setreuid(2) call */
	130	# include <vfork.h>
	131
	132	# endif
	133	#endif
	134
	135	/*
	136	** Digital Ultrix 4.2A or 4.3
	137	*/
	138
	139	#ifdef ultrix
	140	# define HASSTATFS 1 /* has the statfs(2) syscall */
	141	# define HASSETREUID 1 /* have setreuid(2) call */
	142	# define HASSETENV 1 /* has setenv(3) call */
	143	# define HASUNSETENV 1 /* has unsetenv(3) call */
	144	# define LA_TYPE LA_INT
	145	# define LA_AVENRUN "avenrun"
	146	#endif
	147
	148	/*
	149	** OSF/1 (tested on Alpha)
	150	*/
	151
	152	#ifdef __osf__
	153	# define HASSETENV 1 /* has setenv(3) call */
	154	# define HASUNSETENV 1 /* has unsetenv(3) call */
	155	# define HASSETREUID 1 /* have setreuid(2) call */
	156	# define LA_TYPE LA_INT
	157	# define LA_AVENRUN "avenrun"
	158	#endif
	159
	160	/*
	161	** NeXTstep
	162	*/
	163
	164	#ifdef __NeXT__
	165	# define sleep sleepX
	166	# define LA_TYPE LA_ZERO
	167	#endif
	168
	169	/*
	170	** 4.4 BSD
	171	*/
	172
	173	#ifdef BSD4_4
	174	# include <sys/cdefs.h>
	175	# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
	176	#endif
	177
	178	/*
	179	** SCO Unix
	180	*/
	181
	182	#ifdef _SCO_unix_
	183	# define SYSTEM5 1 /* include all the System V defines */
	184	# define FORK fork
	185	# define MAXPATHLEN PATHSIZE
	186	# define LA_TYPE LA_ZERO
	187	#endif
	188
	189	/*
	190	** ConvexOS 11.0 and later
	191	*/
	192
	193	#ifdef _CONVEX_SOURCE
	194	# define SYSTEM5 1 /* include all the System V defines */
	195	# define HASSTATFS 1 /* has the statfs(2) syscall */
	196	# define HASSETSID 1 /* has POSIX setsid(2) call */
	197	# define HASINITGROUPS 1 /* has initgroups(2) call */
	198	# define HASGETDTABLESIZE 1 /* we have getdtablesize(2) call */
	199	# define HASSETREUID 1 /* have setreuid(2) call */
	200	# define LA_TYPE LA_FLOAT
	201	#endif
	202
	203	/*
	204	** RISC/os 4.51
	205	**
	206	** Untested...
	207	*/
	208
	209	#ifdef RISCOS
	210	# define HASSETENV 1 /* has setenv(3) call */
	211	# define HASUNSETENV 1 /* has unsetenv(3) call */
	212	# define LA_TYPE LA_INT
	213	# define LA_AVENRUN "avenrun"
	214	# define _PATH_UNIX "/unix"
	215	#endif
	216
	217	/**********************************************************************
	218	** End of Per-Operating System defines
	219	**********************************************************************/
	220
	221	/**********************************************************************
	222	** More general defines
	223	**********************************************************************/
	224
	225	/* general BSD defines */
	226	#ifdef BSD
	227	# define HASSETENV 1 /* has setenv(3) call */
	228	# define HASUNSETENV 1 /* has unsetenv(3) call */
	229	# define HASGETDTABLESIZE 1 /* we have getdtablesize(2) call */
	230	# define HASSETREUID 1 /* have setreuid(2) call */
	231	# ifndef LA_TYPE
	232	# define LA_TYPE LA_SUBR
	233	# endif
	234	#endif
	235
	236	/* general System V defines */
	237	# ifdef SYSTEM5
	238	# define LOCKF 1 /* use System V locking instead of flock */
	239	# define HASUNAME 1 /* use System V uname(2) system call */
	240	# define HASUSTAT 1 /* use System V ustat(2) syscall */
	241	# ifndef LA_TYPE
	242	# define LA_TYPE LA_INT
	243	# endif
	244	# define bcopy(s, d, l) (memmove((d), (s), (l)))
	245	# define bzero(d, l) (memset((d), '\0', (l)))
	246	# define bcmp(s, d, l) (memcmp((s), (d), (l)))
	247	# endif
	248
	249	/* general "standard C" defines */
	250	#if defined(__STDC__) \|\| defined(SYSTEM5)
	251	# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
	252	#endif
	253
	254	/* general POSIX defines */
	255	#ifdef _POSIX_VERSION
	256	# define HASSETSID 1 /* has setsid(2) call */
	257	#endif
	258
	259	/*
	260	** Due to a "feature" in some operating systems such as Ultrix 4.3 and
	261	** HPUX 8.0, if you receive a "No route to host" message (ICMP message
	262	** ICMP_UNREACH_HOST) on _any_ connection, all connections to that host
	263	** are closed. Some firewalls return this error if you try to connect
	264	** to the IDENT port (113), so you can't receive email from these hosts
	265	** on these systems. The firewall really should use a more specific
	266	** message such as ICMP_UNREACH_PROTOCOL or _PORT or _NET_PROHIB.
	267	*/
	268
	269	#if !defined(ultrix) && !defined(__hpux)
	270	# define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */
	271	#endif
	272
	273	/*
	274	** If no type for argument two of getgroups call is defined, assume
	275	** it's an integer -- unfortunately, there seem to be several choices
	276	** here.
	277	*/
	278
	279	#ifndef GIDSET_T
	280	# define GIDSET_T int
	281	#endif
	282
	283	/*
	284	** Remaining definitions should never have to be changed. They are
	285	** primarily to provide back compatibility for older systems -- for
	286	** example, it includes some POSIX compatibility definitions
	287	*/
	288
	289	/* System 5 compatibility */
	290	#ifndef S_ISREG
	291	#define S_ISREG(foo) ((foo & S_IFREG) == S_IFREG)
	292	#endif
	293	#ifndef S_IWGRP
	294	#define S_IWGRP 020
	295	#endif
	296	#ifndef S_IWOTH
	297	#define S_IWOTH 002
	298	#endif
	299
	300	/*
	301	** Older systems don't have this error code -- it should be in
	302	** /usr/include/sysexits.h.
	303	*/
	304
	305	# ifndef EX_CONFIG
	306	# define EX_CONFIG 78 /* configuration error */
	307	# endif
	308
	309	#ifndef __P
	310	# include "cdefs.h"
	311	#endif
	312
	313	/*
	314	** Do some required dependencies
	315	*/
	316
	317	#if defined(NETINET) \|\| defined(NETISO)
	318	# define SMTP 1 /* enable user and server SMTP */
	319	# define QUEUE 1 /* enable queueing */
	320	# define DAEMON 1 /* include the daemon (requires IPC & SMTP) */
	321	#endif
	322
	323
	324	/*
	325	** Arrange to use either varargs or stdargs
	326	*/
	327
	328	# ifdef __STDC__
	329
	330	# include <stdarg.h>
	331
	332	# define VA_LOCAL_DECL va_list ap;
	333	# define VA_START(f) va_start(ap, f)
	334	# define VA_END va_end(ap)
	335
	336	# else
	337
	338	# include <varargs.h>
	339
	340	# define VA_LOCAL_DECL va_list ap;
	341	# define VA_START(f) va_start(ap)
	342	# define VA_END va_end(ap)
	343
	344	# endif
	345
	346	#ifdef HASUNAME
	347	# include <sys/utsname.h>
	348	# ifdef newstr
	349	# undef newstr
	350	# endif
	351	#else /* ! HASUNAME */
	352	# define NODE_LENGTH 32
	353	struct utsname
	354	{
	355	char nodename[NODE_LENGTH+1];
	356	};
	357	#endif /* HASUNAME */
	358
	359	#if !defined(MAXHOSTNAMELEN) && !defined(_SCO_unix_)
	360	# define MAXHOSTNAMELEN 256
	361	#endif
	362
	363	#if !defined(SIGCHLD) && defined(SIGCLD)
	364	# define SIGCHLD SIGCLD
	365	#endif
	366
	367	#ifndef STDIN_FILENO
	368	#define STDIN_FILENO 0
	369	#endif
	370
	371	#ifndef STDOUT_FILENO
	372	#define STDOUT_FILENO 1
	373	#endif
	374
	375	#ifndef STDERR_FILENO
	376	#define STDERR_FILENO 2
	377	#endif
	378
	379	#ifdef LOCKF
	380	#define LOCK_SH 0x01 /* shared lock */
	381	#define LOCK_EX 0x02 /* exclusive lock */
	382	#define LOCK_NB 0x04 /* non-blocking lock */
	383	#define LOCK_UN 0x08 /* unlock */
	384
	385	#else
	386
	387	# include <sys/file.h>
	388
	389	#endif
	390
	391	/*
	392	** Size of tobuf (deliver.c)
	393	** Tweak this to match your syslog implementation. It will have to
	394	** allow for the extra information printed.
	395	*/
	396
	397	#ifndef TOBUFSIZE
	398	# define TOBUFSIZE (1024 - 256)
	399	#endif
	400
	401	/* fork routine -- set above using #ifdef _osname_ or in Makefile */
	402	# ifndef FORK
	403	# define FORK vfork /* function to call to fork mailer */
	404	# endif