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+/*
+ * Copyright (c) 1998 Sendmail, Inc. All rights reserved.
+ * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved.
+ * Copyright (c) 1988, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * By using this file, you agree to the terms and conditions set
+ * forth in the LICENSE file which can be found at the top level of
+ * the sendmail distribution.
+ *
+ *
+ * @(#)conf.h 8.372 (Berkeley) 6/4/98
+ */
+
+/*
+** CONF.H -- All user-configurable parameters for sendmail
+**
+** Send updates to sendmail@Sendmail.ORG so they will be
+** included in the next release.
+*/
+
+#ifdef __GNUC__
+struct rusage; /* forward declaration to get gcc to shut up in wait.h */
+#endif
+
+# include <sys/param.h>
+# include <sys/types.h>
+# include <sys/stat.h>
+#ifndef __QNX__
+/* in QNX this grabs bogus LOCK_* manifests */
+# include <sys/file.h>
+#endif
+# include <sys/wait.h>
+# include <limits.h>
+# include <fcntl.h>
+# include <signal.h>
+# include <netdb.h>
+# include <pwd.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 200 /* max # of sets of rewriting rules */
+# define MAXPRIORITIES 25 /* max values for Precedence: field */
+# define MAXMXHOSTS 100 /* max # of MX records for one host */
+# 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 MAXALIASDB 12 /* max # of alias databases */
+# define MAXMAPSTACK 12 /* max # of stacked or sequenced maps */
+# define MAXTOCLASS 8 /* max # of message timeout classes */
+# define MAXMIMEARGS 20 /* max args in Content-Type: */
+# define MAXMIMENESTING 20 /* max MIME multipart nesting */
+# define QUEUESEGSIZE 1000 /* increment for queue size */
+# define MAXQFNAME 20 /* max qf file name length */
+# define MACBUFSIZE 4096 /* max expanded macro buffer size */
+# define TOBUFSIZE 512 /* max buffer to hold address list */
+# define MAXSHORTSTR 203 /* max short string length */
+
+/**********************************************************************
+** Compilation options.
+** #define these to 1 if they are available;
+** #define them to 0 otherwise.
+** All can be overridden from Makefile.
+**********************************************************************/
+
+# ifndef NETINET
+# define NETINET 1 /* include internet support */
+# endif
+
+# ifndef NETISO
+# define NETISO 0 /* do not include ISO socket support */
+# endif
+
+# ifndef NAMED_BIND
+# define NAMED_BIND 1 /* use Berkeley Internet Domain Server */
+# endif
+
+# ifndef XDEBUG
+# define XDEBUG 1 /* enable extended debugging */
+# endif
+
+# ifndef MATCHGECOS
+# define MATCHGECOS 1 /* match user names from gecos field */
+# endif
+
+# ifndef DSN
+# define DSN 1 /* include delivery status notification code */
+# endif
+
+# if !defined(USERDB) && (defined(NEWDB) || defined(HESIOD))
+# define USERDB 1 /* look in user database */
+# endif
+
+# ifndef MIME8TO7
+# define MIME8TO7 1 /* 8->7 bit MIME conversions */
+# endif
+
+# ifndef MIME7TO8
+# define MIME7TO8 1 /* 7->8 bit MIME conversions */
+# endif
+
+/**********************************************************************
+** "Hard" compilation options.
+** #define these if they are available; comment them out otherwise.
+** These cannot be overridden from the Makefile, and should really not
+** be turned off unless absolutely necessary.
+**********************************************************************/
+
+# define LOG 1 /* enable logging -- don't turn off */
+
+/**********************************************************************
+** End of site-specific configuration.
+**********************************************************************/
+ /*
+** General "standard C" defines.
+**
+** These may be undone later, to cope with systems that claim to
+** be Standard C but aren't. Gcc is the biggest offender -- it
+** doesn't realize that the library is part of the language.
+**
+** Life would be much easier if we could get rid of this sort
+** of bozo problems.
+*/
+
+#ifdef __STDC__
+# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
+#endif
+
+/*
+** Assume you have standard calls; can be #undefed below if necessary.
+*/
+
+# define HASLSTAT 1 /* has lstat(2) call */
+ /**********************************************************************
+** Operating system configuration.
+**
+** Unless you are porting to a new OS, you shouldn't have to
+** change these.
+**********************************************************************/
+
+/*
+** HP-UX -- tested for 8.07, 9.00, and 9.01.
+**
+** If V4FS is defined, compile for HP-UX 10.0.
+** 11.x support from Richard Allen <ra@hp.is>.
+*/
+
+#ifdef __hpux
+ /* common definitions for HP-UX 9.x and 10.x */
+# undef m_flags /* conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h on HP 300 */
+# define SYSTEM5 1 /* include all the System V defines */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define BOGUS_O_EXCL 1 /* exclusive open follows symlinks */
+# define seteuid(e) setresuid(-1, e, -1)
+# define IP_SRCROUTE 1 /* can check IP source routing */
+# define LA_TYPE LA_HPUX
+# define SPT_TYPE SPT_PSTAT
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# define GIDSET_T gid_t
+# ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */
+# endif
+# ifndef HPUX11
+# define syslog hard_syslog
+# endif
+# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */
+
+# ifdef V4FS
+ /* HP-UX 10.x */
+# define _PATH_UNIX "/stand/vmunix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
+# endif
+# ifndef IDENTPROTO
+# define IDENTPROTO 1 /* TCP/IP implementation fixed in 10.0 */
+# endif
+
+# else
+ /* HP-UX 9.x */
+# define _PATH_UNIX "/hp-ux"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# ifdef __STDC__
+extern void hard_syslog(int, char *, ...);
+# else
+extern void hard_syslog();
+# endif
+# define FDSET_CAST (int *) /* cast for fd_set parameters to select */
+# endif
+
+#endif
+
+
+/*
+** IBM AIX 4.x
+*/
+
+#ifdef _AIX4
+# define _AIX3 1 /* pull in AIX3 stuff */
+# define USESETEUID 1 /* seteuid(2) works */
+# define TZ_TYPE TZ_NAME /* use tzname[] vector */
+# define SOCKOPT_LEN_T size_t /* arg#5 to getsockopt */
+# if _AIX4 >= 40200
+# define HASSETREUID 1 /* setreuid(2) works as of AIX 4.2 */
+# define SOCKADDR_LEN_T size_t /* e.g., arg#3 to accept, getsockname */
+# endif
+# if defined(_ILS_MACROS) /* IBM versions aren't side-effect clean */
+# undef isascii
+# define isascii(c) !(c & ~0177)
+# undef isdigit
+# define isdigit(__a) (_IS(__a,_ISDIGIT))
+# undef isspace
+# define isspace(__a) (_IS(__a,_ISSPACE))
+# endif
+#endif
+
+
+/*
+** IBM AIX 3.x -- actually tested for 3.2.3
+*/
+
+#ifdef _AIX3
+# include <paths.h>
+# include <sys/machine.h> /* to get byte order */
+# include <sys/select.h>
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
+# define GIDSET_T gid_t
+# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
+# define SPT_PADCHAR '\0' /* pad process title with nulls */
+# define LA_TYPE LA_INT
+# define FSHIFT 16
+# define LA_AVENRUN "avenrun"
+#endif
+
+
+/*
+** IBM AIX 2.2.1 -- actually tested for osupdate level 2706+1773
+**
+** From Mark Whetzel <markw@wg.waii.com>.
+*/
+
+#ifdef AIX /* AIX/RT compiler pre-defines this */
+# include <paths.h>
+# include <sys/time.h> /* AIX/RT resource.h does NOT include this */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define HASFCHMOD 0 /* does not have fchmod(2) syscall */
+# define HASSETREUID 1 /* use setreuid(2) -lbsd system call */
+# define HASSETVBUF 1 /* use setvbuf(2) system call */
+# define HASSETRLIMIT 0 /* does not have setrlimit call */
+# define HASFLOCK 0 /* does not have flock call - use fcntl */
+# define HASULIMIT 1 /* use ulimit instead of setrlimit call */
+# define NEEDGETOPT 1 /* Do we need theirs or ours */
+# define SYS5SETPGRP 1 /* don't have setpgid on AIX/RT */
+# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
+# define BSD4_3 1 /* NOT bsd 4.4 or posix signals */
+# define GIDSET_T int
+# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
+# define SPT_PADCHAR '\0' /* pad process title with nulls */
+# define LA_TYPE LA_SUBR /* use our ported loadavgd daemon */
+# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */
+# define ARBPTR_T int *
+# define void int
+typedef int pid_t;
+/* RTisms for BSD compatibility, specified in the Makefile
+ define BSD 1
+ define BSD_INCLUDES 1
+ define BSD_REMAP_SIGNAL_TO_SIGVEC
+ RTisms needed above */
+/* make this sendmail in a completely different place */
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/local/newmail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/usr/local/newmail/sendmail.pid"
+# endif
+#endif
+
+
+/*
+** Silicon Graphics IRIX
+**
+** Compiles on 4.0.1.
+**
+** Use IRIX64 instead of IRIX for 64-bit IRIX (6.0).
+** Use IRIX5 instead of IRIX for IRIX 5.x.
+**
+** This version tries to be adaptive using _MIPS_SIM:
+** _MIPS_SIM == _ABIO32 (= 1) Abi: -32 on IRIX 6.2
+** _MIPS_SIM == _ABIN32 (= 2) Abi: -n32 on IRIX 6.2
+** _MIPS_SIM == _ABI64 (= 3) Abi: -64 on IRIX 6.2
+**
+** _MIPS_SIM is 1 also on IRIX 5.3
+**
+** IRIX64 changes from Mark R. Levinson <ml@cvdev.rochester.edu>.
+** IRIX5 changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
+** Adaptive changes from Kari E. Hurtta <Kari.Hurtta@fmi.fi>.
+*/
+
+#if defined(__sgi)
+# ifndef IRIX
+# define IRIX
+# endif
+# if _MIPS_SIM > 0 && !defined(IRIX5)
+# define IRIX5 /* IRIX5 or IRIX6 */
+# endif
+# if _MIPS_SIM > 1 && !defined(IRIX6) && !defined(IRIX64)
+# define IRIX6 /* IRIX6 */
+# endif
+
+#endif
+
+#ifdef IRIX
+# define SYSTEM5 1 /* this is a System-V derived system */
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define IP_SRCROUTE 1 /* can check IP source routing */
+# define setpgid BSDsetpgrp
+# define GIDSET_T gid_t
+# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# ifdef IRIX6
+# define STAT64 1
+# define QUAD_T unsigned long long
+# define LA_TYPE LA_IRIX6 /* figure out at run time */
+# define SAFENFSPATHCONF 0 /* pathconf(2) lies on NFS filesystems */
+# define SYSLOG_BUFSIZE 512
+# else
+# define LA_TYPE LA_INT
+
+# ifdef IRIX64
+# define STAT64 1
+# define QUAD_T unsigned long long
+# define NAMELISTMASK 0x7fffffffffffffff /* mask for nlist() values */
+# else
+# define STAT64 0
+# define NAMELISTMASK 0x7fffffff /* mask for nlist() values */
+# endif
+# endif
+# if defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
+# include <sys/cdefs.h>
+# include <paths.h>
+# define ARGV_T char *const *
+# define HASSETRLIMIT 1 /* has setrlimit(2) syscall */
+# define HASGETDTABLESIZE 1 /* has getdtablesize(2) syscall */
+# define HASSTRERROR 1 /* has strerror(3) */
+# else
+# define ARGV_T const char **
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# endif
+#endif
+
+
+/*
+** SunOS and Solaris
+**
+** Tested on SunOS 4.1.x (a.k.a. Solaris 1.1.x) and
+** Solaris 2.4 (a.k.a. SunOS 5.4).
+*/
+
+#if defined(sun) && !defined(BSD)
+
+# include <sys/time.h>
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define IP_SRCROUTE 1 /* can check IP source routing */
+# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */
+
+# ifdef SOLARIS_2_3
+# define SOLARIS 20300 /* for back compat only -- use -DSOLARIS=20300 */
+# endif
+
+# if defined(NOT_SENDMAIL) && !defined(SOLARIS) && defined(sun) && (defined(__svr4__) || defined(__SVR4))
+# define SOLARIS 1 /* unknown Solaris version */
+# endif
+
+# ifdef SOLARIS
+ /* Solaris 2.x (a.k.a. SunOS 5.x) */
+# ifndef __svr4__
+# define __svr4__ /* use all System V Releae 4 defines below */
+# endif
+# define GIDSET_T gid_t
+# define USE_SA_SIGACTION 1 /* use sa_sigaction field */
+# ifndef _PATH_UNIX
+# define _PATH_UNIX "/dev/ksyms"
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
+# endif
+# ifndef _PATH_HOSTS
+# define _PATH_HOSTS "/etc/inet/hosts"
+# endif
+# ifndef SYSLOG_BUFSIZE
+# define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */
+# endif
+# ifndef TZ_TYPE
+# define TZ_TYPE TZ_TZNAME
+# endif
+# if SOLARIS >= 20300 || (SOLARIS < 10000 && SOLARIS >= 203)
+# define USESETEUID 1 /* seteuid works as of 2.3 */
+# endif
+# if SOLARIS >= 20500 || (SOLARIS < 10000 && SOLARIS >= 205)
+# define HASSETREUID 1 /* setreuid works as of 2.5 */
+# if SOLARIS < 207 || (SOLARIS > 10000 && SOLARIS < 20700)
+# ifndef LA_TYPE
+# define LA_TYPE LA_KSTAT /* use kstat(3k) -- may work in < 2.5 */
+# endif
+# endif
+# endif
+# if SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206)
+# define HASSNPRINTF 1 /* has snprintf starting in 2.6 */
+# endif
+# if SOLARIS >= 20700 || (SOLARIS < 10000 && SOLARIS >= 207)
+# ifndef LA_TYPE
+# define LA_TYPE LA_SUBR /* getloadavg(3c) appears in 2.7 */
+# endif
+# define HASGETUSERSHELL 1 /* getusershell(3c) bug fixed in 2.7 */
+# endif
+# ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps pre-2.7 */
+# endif
+
+# else
+ /* SunOS 4.0.3 or 4.1.x */
+# define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */
+# define HASSETREUID 1 /* has setreuid(2) call */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone */
+# include <memory.h>
+# include <vfork.h>
+# ifdef __GNUC__
+# define strtoul strtol /* gcc library bogosity */
+# endif
+
+# ifdef SUNOS403
+ /* special tweaking for SunOS 4.0.3 */
+# include <malloc.h>
+# define BSD4_3 1 /* 4.3 BSD-based */
+# define NEEDSTRSTR 1 /* need emulation of strstr(3) routine */
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# undef WIFEXITED
+# undef WEXITSTATUS
+# undef HASUNAME
+# define setpgid setpgrp
+# define MODE_T int
+typedef int pid_t;
+extern char *getenv();
+
+# else
+ /* 4.1.x specifics */
+# define HASSETSID 1 /* has Posix setsid(2) call */
+# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
+
+# endif
+# endif
+
+# ifndef LA_TYPE
+# define LA_TYPE LA_INT
+# endif
+
+#endif /* sun && !BSD */
+
+/*
+** DG/UX
+**
+** Tested on 5.4.2 and 5.4.3. Use DGUX_5_4_2 to get the
+** older support.
+** 5.4.3 changes from Mark T. Robinson <mtr@ornl.gov>.
+*/
+
+#ifdef DGUX_5_4_2
+# define DGUX 1
+#endif
+
+#ifdef DGUX
+# define SYSTEM5 1
+# define LA_TYPE LA_DGUX
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASSETSID 1 /* has Posix setsid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define IP_SRCROUTE 0 /* does not have <netinet/ip_var.h> */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) */
+# define HASSNPRINTF 1 /* has snprintf(3) */
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# define SPT_TYPE SPT_NONE /* don't use setproctitle */
+# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
+
+/* these include files must be included early on DG/UX */
+# include <netinet/in.h>
+# include <arpa/inet.h>
+
+/* compiler doesn't understand const? */
+# define const
+
+# ifdef DGUX_5_4_2
+# define inet_addr dgux_inet_addr
+extern long dgux_inet_addr();
+# endif
+#endif
+
+
+/*
+** Digital Ultrix 4.2A or 4.3
+**
+** Apparently, fcntl locking is broken on 4.2A, in that locks are
+** not dropped when the process exits. This causes major problems,
+** so flock is the only alternative.
+*/
+
+#ifdef ultrix
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# ifndef BROKEN_RES_SEARCH
+# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */
+# endif
+# ifdef vax
+# define LA_TYPE LA_FLOAT
+# else
+# define LA_TYPE LA_INT
+# define LA_AVENRUN "avenrun"
+# endif
+# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* pre-4.4 TCP/IP implementation is broken */
+# endif
+# define SYSLOG_BUFSIZE 256
+#endif
+
+
+/*
+** OSF/1 for KSR.
+**
+** Contributed by Todd C. Miller <Todd.Miller@cs.colorado.edu>
+*/
+
+#ifdef __ksr__
+# define __osf__ 1 /* get OSF/1 defines below */
+# ifndef TZ_TYPE
+# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */
+# endif
+#endif
+
+
+/*
+** OSF/1 for Intel Paragon.
+**
+** Contributed by Jeff A. Earickson <jeff@ssd.intel.com>
+** of Intel Scalable Systems Divison.
+*/
+
+#ifdef __PARAGON__
+# define __osf__ 1 /* get OSF/1 defines below */
+# ifndef TZ_TYPE
+# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */
+# endif
+# define GIDSET_T gid_t
+# define MAXNAMLEN NAME_MAX
+#endif
+
+
+/*
+** OSF/1 (tested on Alpha) -- now known as Digital UNIX.
+**
+** Tested for 3.2 and 4.0.
+*/
+
+#ifdef __osf__
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define IP_SRCROUTE 1 /* can check IP source routing */
+# define HAS_ST_GEN 1 /* has st_gen field in stat struct */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define LA_TYPE LA_ALPHAOSF
+# define SFS_TYPE SFS_STATVFS /* use <sys/statvfs.h> statfs() impl */
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/var/adm/sendmail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/var/run/sendmail.pid"
+# 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
+
+
+/*
+** NeXTstep
+*/
+
+#ifdef NeXT
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define NEEDPUTENV 2 /* need putenv(3) call; no setenv(3) call */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# define UID_T int /* compiler gripes on uid_t */
+# define GID_T int /* ditto for gid_t */
+# define MODE_T int /* and mode_t */
+# define setpgid setpgrp
+# ifndef NOT_SENDMAIL
+# define sleep sleepX
+# endif
+# ifndef LA_TYPE
+# define LA_TYPE LA_MACH
+# endif
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# ifndef _POSIX_SOURCE
+typedef int pid_t;
+# undef WEXITSTATUS
+# undef WIFEXITED
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/etc/sendmail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/sendmail/sendmail.pid"
+# endif
+
+# ifdef TCPWRAPPERS
+# ifndef HASUNSETENV
+# define HASUNSETENV 1
+# endif
+# undef NEEDPUTENV
+# endif
+
+#endif
+
+
+/*
+** 4.4 BSD
+**
+** See also BSD defines.
+*/
+
+#if defined(BSD4_4) && !defined(__bsdi__) && !defined(__GNU__)
+# include <paths.h>
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# define HASSTRERROR 1 /* has strerror(3) */
+# define HAS_ST_GEN 1 /* has st_gen field in stat struct */
+# include <sys/cdefs.h>
+# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
+# define BSD4_4_SOCKADDR /* has sa_len */
+# define NEED_PRINTF_PERCENTQ 1 /* doesn't have %lld */
+# define NETLINK 1 /* supports AF_LINK */
+# ifndef LA_TYPE
+# define LA_TYPE LA_SUBR
+# endif
+# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
+# define SPT_TYPE SPT_PSSTRINGS /* use PS_STRINGS pointer */
+#endif
+
+
+/*
+** BSD/OS (was BSD/386) (all versions)
+** From Tony Sanders, BSDI
+*/
+
+#ifdef __bsdi__
+# include <paths.h>
+# define HASUNSETENV 1 /* has the unsetenv(3) call */
+# define HASSETSID 1 /* has the setsid(2) POSIX syscall */
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# define HASUNAME 1 /* has uname(2) syscall */
+# define HASSTRERROR 1 /* has strerror(3) */
+# define HAS_ST_GEN 1 /* has st_gen field in stat struct */
+# include <sys/cdefs.h>
+# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
+# define BSD4_4_SOCKADDR /* has sa_len */
+# define NETLINK 1 /* supports AF_LINK */
+# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
+# ifndef LA_TYPE
+# define LA_TYPE LA_SUBR
+# endif
+# define GIDSET_T gid_t
+# define QUAD_T quad_t
+# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199312
+ /* version 1.1 or later */
+# undef SPT_TYPE
+# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */
+# else
+ /* version 1.0 or earlier */
+# define SPT_PADCHAR '\0' /* pad process title with nulls */
+# endif
+# if defined(_BSDI_VERSION) && _BSDI_VERSION >= 199701 /* on 3.x */
+# define HASSETUSERCONTEXT 1 /* has setusercontext */
+# endif
+#endif
+
+
+/*
+** QNX 4.2x
+** Contributed by Glen McCready <glen@qnx.com>.
+**
+** Should work with all versions of QNX.
+*/
+
+#if defined(__QNX__)
+# include <unix.h>
+# include <sys/select.h>
+# undef NGROUPS_MAX
+# define HASSETSID 1 /* has the setsid(2) POSIX syscall */
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASSTRERROR 1 /* has strerror(3) */
+# define HASFLOCK 0
+# undef HASINITGROUPS /* has initgroups(3) call */
+# define NEEDGETOPT 1 /* use sendmail's getopt */
+# define IP_SRCROUTE 1 /* can check IP source routing */
+# define TZ_TYPE TZ_TMNAME /* use tmname variable */
+# define GIDSET_T gid_t
+# define LA_TYPE LA_ZERO
+# define SFS_TYPE SFS_NONE
+# define SPT_TYPE SPT_REUSEARGV
+# define SPT_PADCHAR '\0' /* pad process title with nulls */
+# define HASGETUSERSHELL 0
+# define E_PSEUDOBASE 512
+# 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)))
+# define _FILE_H_INCLUDED
+#endif
+
+
+/*
+** FreeBSD / NetBSD / OpenBSD (all architectures, all versions)
+**
+** 4.3BSD clone, closer to 4.4BSD for FreeBSD 1.x and NetBSD 0.9x
+** 4.4BSD-Lite based for FreeBSD 2.x and NetBSD 1.x
+**
+** See also BSD defines.
+*/
+
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
+# include <paths.h>
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# define HASSETSID 1 /* has the setsid(2) POSIX syscall */
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# define HASUNAME 1 /* has uname(2) syscall */
+# define HASSTRERROR 1 /* has strerror(3) */
+# define HAS_ST_GEN 1 /* has st_gen field in stat struct */
+# define NEED_PRINTF_PERCENTQ 1 /* doesn't have %lld */
+# include <sys/cdefs.h>
+# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
+# define BSD4_4_SOCKADDR /* has sa_len */
+# define NETLINK 1 /* supports AF_LINK */
+# define SAFENFSPATHCONF 1 /* pathconf(2) pessimizes on NFS filesystems */
+# define GIDSET_T gid_t
+# define QUAD_T unsigned long long
+# ifndef LA_TYPE
+# define LA_TYPE LA_SUBR
+# endif
+# define SFS_TYPE SFS_MOUNT /* use <sys/mount.h> statfs() impl */
+# if defined(__NetBSD__) && (NetBSD > 199307 || NetBSD0_9 > 1)
+# undef SPT_TYPE
+# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */
+# endif
+# if defined(__FreeBSD__)
+# undef SPT_TYPE
+# if __FreeBSD__ == 2
+# include <osreldate.h> /* and this works */
+# if __FreeBSD_version >= 199512 /* 2.2-current right now */
+# include <libutil.h>
+# define SPT_TYPE SPT_BUILTIN
+# endif
+# endif
+# ifndef SPT_TYPE
+# define SPT_TYPE SPT_REUSEARGV
+# define SPT_PADCHAR '\0' /* pad process title with nulls */
+# endif
+# endif
+# if defined(__OpenBSD__)
+# undef SPT_TYPE
+# define SPT_TYPE SPT_BUILTIN /* setproctitle is in libc */
+# endif
+#endif
+
+
+
+/*
+** Mach386
+**
+** For mt Xinu's Mach386 system.
+*/
+
+#if defined(MACH) && defined(i386) && !defined(__GNU__)
+# define MACH386 1
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
+# define NEEDSTRTOL 1 /* need the strtol() function */
+# define setpgid setpgrp
+# ifndef LA_TYPE
+# define LA_TYPE LA_FLOAT
+# endif
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# undef HASSETVBUF /* don't actually have setvbuf(3) */
+# undef WEXITSTATUS
+# undef WIFEXITED
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/sendmail.pid"
+# endif
+#endif
+
+
+
+/*
+** GNU OS (hurd)
+** Largely BSD & posix compatible.
+** Port contributed by Miles Bader <miles@gnu.ai.mit.edu>.
+*/
+
+#ifdef __GNU_HURD__
+# define SIOCGIFCONF_IS_BROKEN 1
+# define IP_SRCROUTE 0
+# define HASFCHMOD 1
+# define HASFLOCK 1
+# define HASUNAME 1
+# define HASUNSETENV 1
+# define HASSETSID 1
+# define HASINITGROUPS 1
+# define HASSETVBUF 1
+# define HASSETREUID 1
+# define USESETEUID 1
+# define HASLSTAT 1
+# define HASSETRLIMIT 1
+# define HASWAITPID 1
+# define HASGETDTABLESIZE 1
+# define HASSTRERROR 1
+/* # define NEEDGETOPT 1 */
+# define HASGETUSERSHELL 1
+# define ERRLIST_PREDEFINED 1
+# define BSD4_4_SOCKADDR 1
+# define GIDSET_T gid_t
+# define LA_TYPE LA_MACH
+
+/* GNU uses mach[34], which renames some rpcs from mach2.x. */
+# define host_self mach_host_self
+# define SFS_TYPE SFS_STATFS
+# define SPT_TYPE SPT_CHANGEARGV
+
+/* GNU has no MAXPATHLEN; ideally the code should be changed to not use it. */
+# define MAXPATHLEN 2048
+
+/* Define device num frobbing macros. */
+# define major(x) ((x)>>8)
+# define minor(x) ((x)&0xFF)
+#endif /* GNU */
+
+/*
+** 4.3 BSD -- this is for very old systems
+**
+** Should work for mt Xinu MORE/BSD and Mips UMIPS-BSD 2.1.
+**
+** You'll also have to install a new resolver library.
+** I don't guarantee that support for this environment is complete.
+*/
+
+#if defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd)
+# define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */
+# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
+# define ARBPTR_T char *
+# define setpgid setpgrp
+# ifndef LA_TYPE
+# define LA_TYPE LA_FLOAT
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# undef WEXITSTATUS
+# undef WIFEXITED
+typedef short pid_t;
+extern int errno;
+#endif
+
+
+/*
+** SCO Unix
+**
+** This includes three parts:
+**
+** The first is for SCO OpenServer 5.
+** (Contributed by Keith Reynolds <keithr@sco.COM>).
+**
+** SCO OpenServer 5 has a compiler version number macro,
+** which we can use to figure out what version we're on.
+** This may have to change in future releases.
+**
+** The second is for SCO UNIX 3.2v4.2/Open Desktop 3.0.
+** (Contributed by Philippe Brand <phb@colombo.telesys-innov.fr>).
+**
+** The third is for SCO UNIX 3.2v4.0/Open Desktop 2.0 and earlier.
+*/
+
+/* SCO OpenServer 5 */
+#if _SCO_DS >= 1
+# include <paths.h>
+# define SIOCGIFNUM_IS_BROKEN 1 /* SIOCGIFNUM returns bogus value */
+# define HASSNPRINTF 1 /* has snprintf(3) call */
+# define HASFCHMOD 1 /* has fchmod(2) call */
+# define HASSETRLIMIT 1 /* has setrlimit(2) call */
+# define USESETEUID 1 /* has seteuid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */
+# define RLIMIT_NEEDS_SYS_TIME_H 1
+# ifndef LA_TYPE
+# define LA_TYPE LA_DEVSHORT
+# endif
+# define _PATH_AVENRUN "/dev/table/avenrun"
+# ifndef _SCO_unix_4_2
+# define _SCO_unix_4_2
+# else
+# define SOCKADDR_LEN_T size_t /* e.g., arg#3 to accept, getsockname */
+# define SOCKOPT_LEN_T size_t /* arg#5 to getsockopt */
+# endif
+#endif
+
+/* SCO UNIX 3.2v4.2/Open Desktop 3.0 */
+#ifdef _SCO_unix_4_2
+# define _SCO_unix_
+# define HASSETREUID 1 /* has setreuid(2) call */
+#endif
+
+/* SCO UNIX 3.2v4.0 Open Desktop 2.0 and earlier */
+#ifdef _SCO_unix_
+# include <sys/stream.h> /* needed for IP_SRCROUTE */
+# define SYSTEM5 1 /* include all the System V defines */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define NOFTRUNCATE 0 /* has (simulated) ftruncate call */
+# define USE_SIGLONGJMP 1 /* sigsetjmp needed for signal handling */
+# define MAXPATHLEN PATHSIZE
+# define SFS_TYPE SFS_4ARGS /* use <sys/statfs.h> 4-arg impl */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# define SPT_TYPE SPT_SCO /* write kernel u. area */
+# define TZ_TYPE TZ_TM_NAME /* use tm->tm_name */
+# define UID_T uid_t
+# define GID_T gid_t
+# define GIDSET_T gid_t
+# define _PATH_UNIX "/unix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/sendmail.pid"
+# endif
+
+/* stuff fixed in later releases */
+# ifndef _SCO_unix_4_2
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# endif
+
+# ifndef _SCO_DS
+# define ftruncate chsize /* use chsize(2) to emulate ftruncate */
+# define NEEDFSYNC 1 /* needs the fsync(2) call stub */
+# define NETUNIX 0 /* no unix domain socket support */
+# define LA_TYPE LA_SHORT
+# endif
+
+#endif
+
+
+/*
+** ISC (SunSoft) Unix.
+**
+** Contributed by J.J. Bailey <jjb@jagware.bcc.com>
+*/
+
+#ifdef ISC_UNIX
+# include <net/errno.h>
+# include <sys/stream.h> /* needed for IP_SRCROUTE */
+# include <sys/bsdtypes.h>
+# define SYSTEM5 1 /* include all the System V defines */
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define NEEDFSYNC 1 /* needs the fsync(2) call stub */
+# define NETUNIX 0 /* no unix domain socket support */
+# define MAXPATHLEN 1024
+# define LA_TYPE LA_SHORT
+# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# define _PATH_UNIX "/unix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/sendmail.pid"
+# endif
+
+#endif
+
+
+/*
+** Altos System V (5.3.1)
+** Contributed by Tim Rice <tim@trr.metro.net>.
+*/
+
+#ifdef ALTOS_SYSTEM_V
+# include <sys/stream.h>
+# include <limits.h>
+# define SYSTEM5 1 /* include all the System V defines */
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# define NEEDFSYNC 1 /* no fsync(2) in system library */
+# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */
+# define NOFTRUNCATE 1 /* do not have ftruncate(2) */
+# define MAXPATHLEN PATH_MAX
+# define LA_TYPE LA_SHORT
+# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */
+# define NETUNIX 0 /* no unix domain socket support */
+# undef WIFEXITED
+# undef WEXITSTATUS
+# define strtoul strtol /* gcc library bogosity */
+
+typedef unsigned short uid_t;
+typedef unsigned short gid_t;
+typedef short pid_t;
+typedef unsigned long mode_t;
+
+/* some stuff that should have been in the include files */
+# include <grp.h>
+extern char *malloc();
+extern struct passwd *getpwent();
+extern struct passwd *getpwnam();
+extern struct passwd *getpwuid();
+extern char *getenv();
+extern struct group *getgrgid();
+extern struct group *getgrnam();
+
+#endif
+
+
+/*
+** ConvexOS 11.0 and later
+**
+** "Todd C. Miller" <millert@mroe.cs.colorado.edu> claims this
+** works on 9.1 as well.
+**
+** ConvexOS 11.5 and later, should work on 11.0 as defined.
+** For pre-ConvexOOS 11.0, define NEEDGETOPT, undef IDENTPROTO
+**
+** Eric Schnoebelen (eric@cirr.com) For CONVEX Computer Corp.
+** (now the CONVEX Technologies Center of Hewlett Packard)
+*/
+
+#ifdef _CONVEX_SOURCE
+# define HASGETDTABLESIZE 1 /* has getdtablesize(2) */
+# define HASINITGROUPS 1 /* has initgroups(3) */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASSETSID 1 /* has POSIX setsid(2) call */
+# define HASUNSETENV 1 /* has unsetenv(3) */
+# define HASFLOCK 1 /* has flock(2) */
+# define HASSETRLIMIT 1 /* has setrlimit(2) */
+# define HASSETREUID 1 /* has setreuid(2) */
+# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_error=0 */
+# define NEEDPUTENV 1 /* needs putenv (written in terms of setenv) */
+# define NEEDGETOPT 0 /* need replacement for getopt(3) */
+# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
+# define LA_TYPE LA_FLOAT
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef S_IREAD
+# define S_IREAD _S_IREAD
+# define S_IWRITE _S_IWRITE
+# define S_IEXEC _S_IEXEC
+# define S_IFMT _S_IFMT
+# define S_IFCHR _S_IFCHR
+# define S_IFBLK _S_IFBLK
+# endif
+# ifndef TZ_TYPE
+# define TZ_TYPE TZ_TIMEZONE
+# endif
+# ifndef IDENTPROTO
+# define IDENTPROTO 1
+# endif
+# ifndef SHARE_V1
+# define SHARE_V1 1 /* version 1 of the fair share scheduler */
+# endif
+# if !defined(__GNUC__ )
+# define UID_T int /* GNUC gets it right, ConvexC botches */
+# define GID_T int /* GNUC gets it right, ConvexC botches */
+# endif
+# if SECUREWARE
+# define FORK fork /* SecureWare wants the real fork! */
+# else
+# define FORK vfork /* the rest of the OS versions don't care */
+# endif
+#endif
+
+
+/*
+** RISC/os 4.52
+**
+** Gives a ton of warning messages, but otherwise compiles.
+*/
+
+#ifdef RISCOS
+
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
+# define NEEDPUTENV 1 /* need putenv(3) call */
+# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# define LA_TYPE LA_INT
+# define LA_AVENRUN "avenrun"
+# define _PATH_UNIX "/unix"
+# undef WIFEXITED
+
+# define setpgid setpgrp
+
+extern int errno;
+typedef int pid_t;
+# define SIGFUNC_DEFINED
+# define SIGFUNC_RETURN (0)
+# define SIGFUNC_DECL int
+typedef int (*sigfunc_t)();
+extern char *getenv();
+extern void *malloc();
+
+/* added for RISC/os 4.01...which is dumber than 4.50 */
+# ifdef RISCOS_4_0
+# ifndef ARBPTR_T
+# define ARBPTR_T char *
+# endif
+# undef HASFLOCK
+# define HASFLOCK 0
+# endif /* RISCOS_4_0 */
+
+# include <sys/time.h>
+
+#endif
+
+
+/*
+** Linux 0.99pl10 and above...
+**
+** Thanks to, in reverse order of contact:
+**
+** John Kennedy <warlock@csuchico.edu>
+** Andrew Pam <avatar@aus.xanadu.com>
+** Florian La Roche <rzsfl@rz.uni-sb.de>
+** Karl London <karl@borg.demon.co.uk>
+**
+** Last compiled against: [06/10/96 @ 09:21:40 PM (Monday)]
+** sendmail 8.8-a4 named bind-4.9.4-T4B db-1.85
+** gcc 2.7.2 libc-5.3.12 linux 2.0.0
+**
+** NOTE: Override HASFLOCK as you will but, as of 1.99.6, mixed-style
+** file locking is no longer allowed. In particular, make sure
+** your DBM library and sendmail are both using either flock(2)
+** *or* fcntl(2) file locking, but not both.
+*/
+
+#ifdef __linux__
+# define BSD 1 /* include BSD defines */
+# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASUNSETENV 1 /* has unsetenv(3) call */
+# ifndef HASSNPRINTF
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# endif
+# define ERRLIST_PREDEFINED /* don't declare sys_errlist */
+# define GIDSET_T gid_t /* from <linux/types.h> */
+# define HASGETUSERSHELL 0 /* getusershell(3) broken in Slackware 2.0 */
+# define IP_SRCROUTE 0 /* linux <= 1.2.8 doesn't support IP_OPTIONS */
+# define USE_SIGLONGJMP 1 /* sigsetjmp needed for signal handling */
+# ifndef HASFLOCK
+# include <linux/version.h>
+# if LINUX_VERSION_CODE < 66399
+# define HASFLOCK 0 /* flock(2) is broken after 0.99.13 */
+# else
+# define HASFLOCK 1 /* flock(2) fixed after 1.3.95 */
+# endif
+# endif
+# ifndef LA_TYPE
+# define LA_TYPE LA_PROCSTR
+# endif
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() impl */
+# define SPT_PADCHAR '\0' /* pad process title with nulls */
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/var/run/sendmail.pid"
+# endif
+# define TZ_TYPE TZ_TNAME
+# include <sys/sysmacros.h>
+# undef atol /* wounded in <stdlib.h> */
+#endif
+
+
+/*
+** DELL SVR4 Issue 2.2, and others
+** From Kimmo Suominen <kim@grendel.lut.fi>
+**
+** It's on #ifdef DELL_SVR4 because Solaris also gets __svr4__
+** defined, and the definitions conflict.
+**
+** Peter Wemm <peter@perth.DIALix.oz.au> claims that the setreuid
+** trick works on DELL 2.2 (SVR4.0/386 version 4.0) and ESIX 4.0.3A
+** (SVR4.0/386 version 3.0).
+*/
+
+#ifdef DELL_SVR4
+ /* no changes necessary */
+ /* see general __svr4__ defines below */
+#endif
+
+
+/*
+** Apple A/UX 3.0
+*/
+
+#ifdef _AUX_SOURCE
+# include <sys/sysmacros.h>
+# define BSD /* has BSD routines */
+# define HASSETRLIMIT 0 /* ... but not setrlimit(2) */
+# define BROKEN_RES_SEARCH 1 /* res_search(unknown) returns h_errno=0 */
+# define BOGUS_O_EXCL 1 /* exclusive open follows symlinks */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASFCHMOD 1 /* has fchmod(2) syscall */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASSETVBUF 1 /* has setvbuf(3) in libc */
+# define HASSTRERROR 1 /* has strerror(3) */
+# define SIGFUNC_DEFINED /* sigfunc_t already defined */
+# define SIGFUNC_RETURN /* POSIX-mode */
+# define SIGFUNC_DECL void /* POSIX-mode */
+# define ERRLIST_PREDEFINED 1
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# ifndef LA_TYPE
+# define LA_TYPE LA_INT
+# define FSHIFT 16
+# endif
+# define LA_AVENRUN "avenrun"
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# define TZ_TYPE TZ_TZNAME
+# ifndef _PATH_UNIX
+# define _PATH_UNIX "/unix" /* should be in <paths.h> */
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# undef WIFEXITED
+# undef WEXITSTATUS
+#endif
+
+
+/*
+** Encore UMAX V
+**
+** Not extensively tested.
+*/
+
+#ifdef UMAXV
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */
+# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
+# define MAXPATHLEN PATH_MAX
+extern struct passwd *getpwent(), *getpwnam(), *getpwuid();
+extern struct group *getgrent(), *getgrnam(), *getgrgid();
+# undef WIFEXITED
+# undef WEXITSTATUS
+#endif
+
+
+/*
+** Stardent Titan 3000 running TitanOS 4.2.
+**
+** Must be compiled in "cc -43" mode.
+**
+** From Kate Hedstrom <kate@ahab.rutgers.edu>.
+**
+** Note the tweaking below after the BSD defines are set.
+*/
+
+#ifdef titan
+# define setpgid setpgrp
+typedef int pid_t;
+# undef WIFEXITED
+# undef WEXITSTATUS
+#endif
+
+
+/*
+** Sequent DYNIX 3.2.0
+**
+** From Jim Davis <jdavis@cs.arizona.edu>.
+*/
+
+#ifdef sequent
+
+# define BSD 1
+# define HASUNSETENV 1
+# define BSD4_3 1 /* to get signal() in conf.c */
+# define WAITUNION 1
+# define LA_TYPE LA_FLOAT
+# ifdef _POSIX_VERSION
+# undef _POSIX_VERSION /* set in <unistd.h> */
+# endif
+# undef HASSETVBUF /* don't actually have setvbuf(3) */
+# define setpgid setpgrp
+
+/* Have to redefine WIFEXITED to take an int, to work with waitfor() */
+# undef WIFEXITED
+# define WIFEXITED(s) (((union wait*)&(s))->w_stopval != WSTOPPED && \
+ ((union wait*)&(s))->w_termsig == 0)
+# define WEXITSTATUS(s) (((union wait*)&(s))->w_retcode)
+typedef int pid_t;
+# define isgraph(c) (isprint(c) && (c != ' '))
+
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+
+# ifndef _PATH_UNIX
+# define _PATH_UNIX "/dynix"
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+#endif
+
+
+/*
+** Sequent DYNIX/ptx v2.0 (and higher)
+**
+** For DYNIX/ptx v1.x, undefine HASSETREUID.
+**
+** From Tim Wright <timw@sequent.com>.
+** Update from Jack Woolley <jwoolley@sctcorp.com>, 26 Dec 1995,
+** for DYNIX/ptx 4.0.2.
+*/
+
+#ifdef _SEQUENT_
+# include <sys/stream.h>
+# define SYSTEM5 1 /* include all the System V defines */
+# define HASSETSID 1 /* has POSIX setsid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define GIDSET_T gid_t
+# define LA_TYPE LA_INT
+# define SFS_TYPE SFS_STATFS /* use <sys/statfs.h> statfs() impl */
+# define SPT_TYPE SPT_NONE /* don't use setproctitle */
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/sendmail.pid"
+# endif
+#endif
+
+
+/*
+** Cray Unicos
+**
+** Ported by David L. Kensiski, Sterling Sofware <kensiski@nas.nasa.gov>
+*/
+
+#ifdef UNICOS
+# define SYSTEM5 1 /* include all the System V defines */
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# define MAXPATHLEN PATHSIZE
+# define LA_TYPE LA_ZERO
+# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+#endif
+
+
+/*
+** Apollo DomainOS
+**
+** From Todd Martin <tmartint@tus.ssi1.com> & Don Lewis <gdonl@gv.ssi1.com>
+**
+** 15 Jan 1994; updated 2 Aug 1995
+**
+*/
+
+#ifdef apollo
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(2) call */
+# define IP_SRCROUTE 0 /* does not have <netinet/ip_var.h> */
+# define SPT_TYPE SPT_NONE /* don't use setproctitle */
+# define LA_TYPE LA_SUBR /* use getloadavg.c */
+# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# define TZ_TYPE TZ_TZNAME
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/sendmail.pid"
+# endif
+# undef S_IFSOCK /* S_IFSOCK and S_IFIFO are the same */
+# undef S_IFIFO
+# define S_IFIFO 0010000
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# define RLIMIT_NEEDS_SYS_TIME_H 1
+# if defined(NGROUPS_MAX) && !NGROUPS_MAX
+# undef NGROUPS_MAX
+# endif
+#endif
+
+
+/*
+** UnixWare 2.x
+*/
+
+#ifdef UNIXWARE2
+# define UNIXWARE 1
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# undef offsetof /* avoid stddefs.h, sys/sysmacros.h conflict */
+#endif
+
+
+/*
+** UnixWare 1.1.2.
+**
+** Updated by Petr Lampa <lampa@fee.vutbr.cz>.
+** From Evan Champion <evanc@spatial.synapse.org>.
+*/
+
+#ifdef UNIXWARE
+# include <sys/mkdev.h>
+# define SYSTEM5 1
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# define HASSETREUID 1
+# define HASSETSID 1
+# define HASINITGROUPS 1
+# define GIDSET_T gid_t
+# define SLEEP_T unsigned
+# define SFS_TYPE SFS_STATVFS
+# define LA_TYPE LA_ZERO
+# undef WIFEXITED
+# undef WEXITSTATUS
+# define _PATH_UNIX "/unix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid"
+# endif
+# define SYSLOG_BUFSIZE 128
+#endif
+
+
+/*
+** Intergraph CLIX 3.1
+**
+** From Paul Southworth <pauls@locust.cic.net>
+*/
+
+#ifdef CLIX
+# define SYSTEM5 1 /* looks like System V */
+# ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# endif
+# define DEV_BSIZE 512 /* device block size not defined */
+# define GIDSET_T gid_t
+# undef LOG /* syslog not available */
+# define NEEDFSYNC 1 /* no fsync in system library */
+# define GETSHORT _getshort
+#endif
+
+
+/*
+** NCR MP-RAS 2.x (SysVr4) with Wollongong TCP/IP
+**
+** From Kevin Darcy <kevin@tech.mis.cfc.com>.
+*/
+
+#ifdef NCR_MP_RAS2
+# include <sys/sockio.h>
+# define __svr4__
+# define IP_SRCROUTE 0 /* Something is broken with getsockopt() */
+# define SYSLOG_BUFSIZE 1024
+# define SPT_TYPE SPT_NONE
+#endif
+
+
+/*
+** NCR MP-RAS 3.x (SysVr4) with STREAMware TCP/IP
+**
+** From Tom Moore <Tom.Moore@DaytonOH.NCR.COM>
+*/
+
+#ifdef NCR_MP_RAS3
+# define __svr4__
+# define SIOCGIFNUM_IS_BROKEN 1 /* SIOCGIFNUM has non-std interface */
+# define SYSLOG_BUFSIZE 1024
+# define SPT_TYPE SPT_NONE
+#endif
+
+
+/*
+** Tandem NonStop-UX SVR4
+**
+** From Rick McCarty <mccarty@mpd.tandem.com>.
+*/
+
+#ifdef NonStop_UX_BXX
+# define __svr4__
+#endif
+
+
+/*
+** Hitachi 3050R & 3050RX Workstations running HI-UX/WE2.
+**
+** Tested for 1.04 and 1.03
+** From Akihiro Hashimoto ("Hash") <hash@dominic.ipc.chiba-u.ac.jp>.
+*/
+
+#ifdef __H3050R
+# define SYSTEM5 1 /* include all the System V defines */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define setreuid(r, e) setresuid(r, e, -1)
+# define LA_TYPE LA_FLOAT
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# define HASSETVBUF /* HI-UX has no setlinebuf */
+# ifndef GIDSET_T
+# define GIDSET_T gid_t
+# endif
+# ifndef _PATH_UNIX
+# define _PATH_UNIX "/HI-UX"
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 0 /* getusershell(3) causes core dumps */
+# endif
+
+/*
+** avoid m_flags conflict between Berkeley DB 1.85 db.h & sys/sysmacros.h
+** on HIUX 3050
+*/
+# undef m_flags
+
+# ifdef __STDC__
+extern int syslog(int, char *, ...);
+#else
+extern int syslog();
+# endif
+
+#endif
+
+
+/*
+** Amdahl UTS System V 2.1.5 (SVr3-based)
+**
+** From: Janet Jackson <janet@dialix.oz.au>.
+*/
+
+#ifdef _UTS
+# include <sys/sysmacros.h>
+# undef HASLSTAT /* has symlinks, but they cause problems */
+# define NEEDFSYNC 1 /* system fsync(2) fails on non-EFS filesys */
+# define SYS5SIGNALS 1 /* System V signal semantics */
+# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define HASINITGROUPS 1 /* has initgroups(3) function */
+# define HASSETVBUF 1 /* has setvbuf(3) function */
+# ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) function */
+# endif
+# define GIDSET_T gid_t /* type of 2nd arg to getgroups(2) isn't int */
+# define LA_TYPE LA_ZERO /* doesn't have load average */
+# define SFS_TYPE SFS_4ARGS /* use 4-arg statfs() */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# define _PATH_UNIX "/unix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+#endif
+
+/*
+** Cray Computer Corporation's CSOS
+**
+** From Scott Bolte <scott@craycos.com>.
+*/
+
+#ifdef _CRAYCOM
+# define SYSTEM5 1 /* include all the System V defines */
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# define NEEDFSYNC 1 /* no fsync in system library */
+# define MAXPATHLEN PATHSIZE
+# define LA_TYPE LA_ZERO
+# define SFS_TYPE SFS_4ARGS /* four argument statfs() call */
+# define SFS_BAVAIL f_bfree /* alternate field name */
+# define _POSIX_CHOWN_RESTRICTED -1
+extern struct group *getgrent(), *getgrnam(), *getgrgid();
+#endif
+
+
+/*
+** Sony NEWS-OS 4.2.1R and 6.0.3
+**
+** From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
+*/
+
+#ifdef sony_news
+# ifndef __svr4
+ /* NEWS-OS 4.2.1R */
+# ifndef BSD
+# define BSD /* has BSD routines */
+# endif
+# define HASUNSETENV 1 /* has unsetenv(2) call */
+# undef HASSETVBUF /* don't actually have setvbuf(3) */
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# define LA_TYPE LA_INT
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# define setpgid setpgrp
+# undef WIFEXITED
+# undef WEXITSTATUS
+# define MODE_T int /* system include files have no mode_t */
+typedef int pid_t;
+typedef int (*sigfunc_t)();
+# define SIGFUNC_DEFINED
+# define SIGFUNC_RETURN (0)
+# define SIGFUNC_DECL int
+
+# else
+ /* NEWS-OS 6.0.3 with /bin/cc */
+# ifndef __svr4__
+# define __svr4__ /* use all System V Releae 4 defines below */
+# endif
+# define HASSETSID 1 /* has Posix setsid(2) call */
+# define HASGETUSERSHELL 1 /* DOES have getusershell(3) call in libc */
+# define LA_TYPE LA_READKSYM /* use MIOC_READKSYM ioctl */
+# ifndef SPT_TYPE
+# define SPT_TYPE SPT_SYSMIPS /* use sysmips() (OS 6.0.2 or later) */
+# endif
+# define GIDSET_T gid_t
+# undef WIFEXITED
+# undef WEXITSTATUS
+# ifndef SYSLOG_BUFSIZE
+# define SYSLOG_BUFSIZE 1024
+# endif
+# define _PATH_UNIX "/stand/unix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
+# endif
+
+# endif
+#endif
+
+
+/*
+** Omron LUNA/UNIOS-B 3.0, LUNA2/Mach and LUNA88K Mach
+**
+** From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
+*/
+
+#ifdef luna
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+# define HASUNSETENV 1 /* has unsetenv(2) call */
+# define NEEDPUTENV 1 /* need putenv(3) call */
+# define NEEDGETOPT 1 /* need a replacement for getopt(3) */
+# define NEEDSTRSTR 1 /* need emulation of the strstr(3) call */
+# define WAITUNION 1 /* use "union wait" as wait argument type */
+# ifdef uniosb
+# include <sys/time.h>
+# define NEEDVPRINTF 1 /* need a replacement for vprintf(3) */
+# define LA_TYPE LA_INT
+# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone */
+# endif
+# ifdef luna2
+# define LA_TYPE LA_SUBR
+# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone */
+# endif
+# ifdef luna88k
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# define LA_TYPE LA_INT
+# endif
+# define SFS_TYPE SFS_VFS /* use <sys/vfs.h> statfs() implementation */
+# define setpgid setpgrp
+# undef WIFEXITED
+# undef WEXITSTATUS
+typedef int pid_t;
+typedef int (*sigfunc_t)();
+# define SIGFUNC_DEFINED
+# define SIGFUNC_RETURN (0)
+# define SIGFUNC_DECL int
+extern char *getenv();
+extern int errno;
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/lib/sendmail.cf"
+# endif
+#endif
+
+
+/*
+** NEC EWS-UX/V 4.2 (with /usr/ucb/cc)
+**
+** From Motonori NAKAMURA <motonori@cs.ritsumei.ac.jp>.
+*/
+
+#if defined(nec_ews_svr4) || defined(_nec_ews_svr4)
+# ifndef __svr4__
+# define __svr4__ /* use all System V Releae 4 defines below */
+# endif
+# define SYS5SIGNALS 1 /* SysV signal semantics -- reset on each sig */
+# define HASSETSID 1 /* has Posix setsid(2) call */
+# define LA_TYPE LA_READKSYM /* use MIOC_READSYM ioctl */
+# define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */
+# define GIDSET_T gid_t
+# undef WIFEXITED
+# undef WEXITSTATUS
+# define NAMELISTMASK 0x7fffffff /* mask for nlist() values */
+# ifndef SYSLOG_BUFSIZE
+# define SYSLOG_BUFSIZE 1024 /* allow full size syslog buffer */
+# endif
+#endif
+
+
+/*
+** Fujitsu/ICL UXP/DS (For the DS/90 Series)
+**
+** From Diego R. Lopez <drlopez@cica.es>.
+** Additional changes from Fumio Moriya and Toshiaki Nomura of the
+** Fujitsu Fresoftware gruop <dsfrsoft@oai6.yk.fujitsu.co.jp>.
+*/
+
+#ifdef __uxp__
+# include <arpa/nameser.h>
+# include <sys/sysmacros.h>
+# include <sys/mkdev.h>
+# define __svr4__
+# define HASGETUSERSHELL 0
+# define HASFLOCK 0
+# if UXPDS == 10
+# define HASSNPRINTF 0 /* no snprintf(3) or vsnprintf(3) */
+# else
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# endif
+# define _PATH_UNIX "/stand/unix"
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid"
+# endif
+#endif
+
+/*
+** Pyramid DC/OSx
+**
+** From Earle Ake <akee@wpdiss1.wpafb.af.mil>.
+*/
+
+#ifdef DCOSx
+# define GIDSET_T gid_t
+# ifndef IDENTPROTO
+# define IDENTPROTO 0 /* TCP/IP implementation is broken */
+# endif
+#endif
+
+/*
+** Concurrent Computer Corporation Maxion
+**
+** From Donald R. Laster Jr. <laster@access.digex.net>.
+*/
+
+#ifdef __MAXION__
+
+# include <sys/stream.h>
+# define __svr4__ 1 /* SVR4.2MP */
+# define HASSETREUID 1 /* have setreuid(2) */
+# define HASLSTAT 1 /* have lstat(2) */
+# define HASSETRLIMIT 1 /* have setrlimit(2) */
+# define HASGETDTABLESIZE 1 /* have getdtablesize(2) */
+# define HASSNPRINTF 1 /* have snprintf(3) */
+# define HASGETUSERSHELL 1 /* have getusershell(3) */
+# define NOFTRUNCATE 1 /* do not have ftruncate(2) */
+# define SLEEP_T unsigned
+# define SFS_TYPE SFS_STATVFS
+# define SFS_BAVAIL f_bavail
+# ifndef SYSLOG_BUFSIZE
+# define SYSLOG_BUFSIZE 256 /* Use 256 bytes */
+# endif
+
+# undef WUNTRACED
+# undef WIFEXITED
+# undef WIFSIGNALED
+# undef WIFSTOPPED
+# undef WEXITSTATUS
+# undef WTERMSIG
+# undef WSTOPSIG
+
+#endif
+
+/*
+** Harris Nighthawk PowerUX (nh6000 box)
+**
+** Contributed by Bob Miorelli, Pratt & Whitney <miorelli@pweh.com>
+*/
+
+#ifdef _PowerUX
+# ifndef __svr4__
+# define __svr4__
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/etc/mail/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/etc/mail/sendmail.pid"
+# endif
+# define SYSLOG_BUFSIZE 1024
+# define HASSNPRINTF 1 /* has snprintf(3) and vsnprintf(3) */
+# define LA_TYPE LA_ZERO
+typedef struct msgb mblk_t;
+# undef offsetof /* avoid stddefs.h and sys/sysmacros.h conflict */
+#endif
+
+/*
+** Siemens Nixdorf Informationssysteme AG SINIX
+**
+** Contributed by Gerald Rinske <Gerald.Rinske@mch.sni.de>
+** of Siemens Business Services VAS.
+*/
+#ifdef sinix
+# define SYSLOG_BUFSIZE 1024
+#endif
+
+/*
+** CRAY T3E
+**
+** Contributed by Manu Mahonen <mailadm@csc.fi>
+** of Center for Scientific Computing.
+*/
+#ifdef _CRAY
+# define GET_IPOPT_DST(dst) *(struct in_addr *)&(dst)
+#endif
+
+/**********************************************************************
+** End of Per-Operating System defines
+**********************************************************************/
+ /**********************************************************************
+** More general defines
+**********************************************************************/
+
+/* general BSD defines */
+#ifdef BSD
+# define HASGETDTABLESIZE 1 /* has getdtablesize(2) call */
+# define HASSETREUID 1 /* has setreuid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# ifndef IP_SRCROUTE
+# define IP_SRCROUTE 1 /* can check IP source routing */
+# endif
+# ifndef HASSETRLIMIT
+# define HASSETRLIMIT 1 /* has setrlimit(2) call */
+# endif
+# ifndef HASFLOCK
+# define HASFLOCK 1 /* has flock(2) call */
+# endif
+# ifndef TZ_TYPE
+# define TZ_TYPE TZ_TM_ZONE /* use tm->tm_zone variable */
+# endif
+#endif
+
+/* general System V Release 4 defines */
+#ifdef __svr4__
+# define SYSTEM5 1
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# define HASINITGROUPS 1 /* has initgroups(3) call */
+# define BSD_COMP 1 /* get BSD ioctl calls */
+# ifndef HASSETRLIMIT
+# define HASSETRLIMIT 1 /* has setrlimit(2) call */
+# endif
+# ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 0 /* does not have getusershell(3) call */
+# endif
+# ifndef HASFCHMOD
+# define HASFCHMOD 1 /* most (all?) SVr4s seem to have fchmod(2) */
+# endif
+
+# ifndef _PATH_UNIX
+# define _PATH_UNIX "/unix"
+# endif
+# ifndef _PATH_VENDOR_CF
+# define _PATH_VENDOR_CF "/usr/ucblib/sendmail.cf"
+# endif
+# ifndef _PATH_SENDMAILPID
+# define _PATH_SENDMAILPID "/usr/ucblib/sendmail.pid"
+# endif
+# ifndef SYSLOG_BUFSIZE
+# define SYSLOG_BUFSIZE 128
+# endif
+# ifndef SFS_TYPE
+# define SFS_TYPE SFS_STATVFS
+# endif
+
+# define USE_SIGLONGJMP 1 /* sigsetjmp needed for signal handling */
+#endif
+
+/* general System V defines */
+#ifdef SYSTEM5
+# include <sys/sysmacros.h>
+# define HASUNAME 1 /* use System V uname(2) system call */
+# define SYS5SETPGRP 1 /* use System V setpgrp(2) syscall */
+# define HASSETVBUF 1 /* we have setvbuf(3) in libc */
+# ifndef HASULIMIT
+# define HASULIMIT 1 /* has the ulimit(2) syscall */
+# endif
+# ifndef LA_TYPE
+# ifdef MIOC_READKSYM
+# define LA_TYPE LA_READKSYM /* use MIOC_READKSYM ioctl */
+# else
+# define LA_TYPE LA_INT /* assume integer load average */
+# endif
+# endif
+# ifndef SFS_TYPE
+# define SFS_TYPE SFS_USTAT /* use System V ustat(2) syscall */
+# endif
+# ifndef TZ_TYPE
+# define TZ_TYPE TZ_TZNAME /* use tzname[] vector */
+# 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 POSIX defines */
+#ifdef _POSIX_VERSION
+# define HASSETSID 1 /* has Posix setsid(2) call */
+# define HASWAITPID 1 /* has Posix waitpid(2) call */
+# if _POSIX_VERSION >= 199500 && !defined(USESETEUID)
+# define USESETEUID 1 /* has useable seteuid(2) call */
+# endif
+# ifndef bcopy
+# 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
+#endif
+ /*
+** Tweaking for systems that (for example) claim to be BSD or POSIX
+** but don't have all the standard BSD or POSIX routines (boo hiss).
+*/
+
+#ifdef titan
+# undef HASINITGROUPS /* doesn't have initgroups(3) call */
+#endif
+
+#ifdef _CRAYCOM
+# undef HASSETSID /* despite POSIX claim, doesn't have setsid */
+#endif
+
+#ifdef ISC_UNIX
+# undef bcopy /* despite SystemV claim, uses BSD bcopy */
+#endif
+
+#ifdef ALTOS_SYSTEM_V
+# undef bcopy /* despite SystemV claim, uses BSD bcopy */
+# undef bzero /* despite SystemV claim, uses BSD bzero */
+# undef bcmp /* despite SystemV claim, uses BSD bcmp */
+#endif
+
+#if defined(sun) && !defined(BSD) && !defined(SOLARIS) && !defined(__svr4__) && !defined(__SVR4)
+# undef bcopy /* SunOS 4 doesn't have memmove() */
+#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 _FILTER_PROHIB. If
+** not explicitly set to zero above, default it on.
+*/
+
+#ifndef IDENTPROTO
+# define IDENTPROTO 1 /* use IDENT proto (RFC 1413) */
+#endif
+
+#ifndef IP_SRCROUTE
+# define IP_SRCROUTE 1 /* Detect IP source routing */
+#endif
+
+#ifndef HASGETUSERSHELL
+# define HASGETUSERSHELL 1 /* libc has getusershell(3) call */
+#endif
+
+#ifndef NETUNIX
+# define NETUNIX 1 /* include unix domain support */
+#endif
+
+#ifndef HASFLOCK
+# define HASFLOCK 0 /* assume no flock(2) support */
+#endif
+
+#ifndef HASSETREUID
+# define HASSETREUID 0 /* assume no setreuid(2) call */
+#endif
+
+#ifndef HASFCHMOD
+# define HASFCHMOD 0 /* assume no fchmod(2) syscall */
+#endif
+
+#ifndef USESETEUID
+# define USESETEUID 0 /* assume no seteuid(2) call or no saved ids */
+#endif
+
+#ifndef HASSETRLIMIT
+# define HASSETRLIMIT 0 /* assume no setrlimit(2) support */
+#endif
+
+#ifndef HASULIMIT
+# define HASULIMIT 0 /* assume no ulimit(2) support */
+#endif
+
+#ifndef SECUREWARE
+# define SECUREWARE 0 /* assume no SecureWare C2 auditing hooks */
+#endif
+
+#ifndef USE_SIGLONGJMP
+# define USE_SIGLONGJMP 0 /* assume setjmp handles signals properly */
+#endif
+
+#ifndef FDSET_CAST
+# define FDSET_CAST /* (empty) cast for fd_set arg to select */
+#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
+
+#ifndef UID_T
+# define UID_T uid_t
+#endif
+
+#ifndef GID_T
+# define GID_T gid_t
+#endif
+
+#ifndef SIZE_T
+# define SIZE_T size_t
+#endif
+
+#ifndef MODE_T
+# define MODE_T mode_t
+#endif
+
+#ifndef ARGV_T
+# define ARGV_T char **
+#endif
+
+#ifndef SOCKADDR_LEN_T
+# define SOCKADDR_LEN_T int
+#endif
+
+#ifndef SOCKOPT_LEN_T
+# define SOCKOPT_LEN_T int
+#endif
+
+#ifndef QUAD_T
+# define QUAD_T unsigned long
+#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_IFMT) == S_IFREG)
+#endif
+#ifndef S_ISDIR
+# define S_ISDIR(foo) ((foo & S_IFMT) == S_IFDIR)
+#endif
+#if !defined(S_ISLNK) && defined(S_IFLNK)
+# define S_ISLNK(foo) ((foo & S_IFMT) == S_IFLNK)
+#endif
+#ifndef S_IRUSR
+# define S_IRUSR 0400
+#endif
+#ifndef S_IWUSR
+# define S_IWUSR 0200
+#endif
+#ifndef S_IRGRP
+# define S_IRGRP 0040
+#endif
+#ifndef S_IWGRP
+# define S_IWGRP 0020
+#endif
+#ifndef S_IROTH
+# define S_IROTH 0004
+#endif
+#ifndef S_IWOTH
+# define S_IWOTH 0002
+#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
+
+/* pseudo-code used in server SMTP */
+# define EX_QUIT 22 /* drop out of server immediately */
+
+/* pseudo-code used for mci_setstat */
+# define EX_NOTSTICKY -5 /* don't save persistent status */
+
+
+/*
+** An "impossible" file mode to indicate that the file does not exist.
+*/
+
+#define ST_MODE_NOFILE 0171147 /* unlikely to occur */
+
+
+/*
+** These are used in a few cases where we need some special
+** error codes, but where the system doesn't provide something
+** reasonable. They are printed in errstring.
+*/
+
+#ifndef E_PSEUDOBASE
+# define E_PSEUDOBASE 256
+#endif
+
+#define E_SM_OPENTIMEOUT (E_PSEUDOBASE + 0) /* Timeout on file open */
+#define E_SM_NOSLINK (E_PSEUDOBASE + 1) /* Symbolic links not allowed */
+#define E_SM_NOHLINK (E_PSEUDOBASE + 2) /* Hard links not allowed */
+#define E_SM_REGONLY (E_PSEUDOBASE + 3) /* Regular files only */
+#define E_SM_ISEXEC (E_PSEUDOBASE + 4) /* Executable files not allowed */
+#define E_SM_WWDIR (E_PSEUDOBASE + 5) /* World writable directory */
+#define E_SM_GWDIR (E_PSEUDOBASE + 6) /* Group writable directory */
+#define E_SM_FILECHANGE (E_PSEUDOBASE + 7) /* File changed after open */
+#define E_SM_WWFILE (E_PSEUDOBASE + 8) /* World writable file */
+#define E_SM_GWFILE (E_PSEUDOBASE + 9) /* Group writable file */
+#define E_DNSBASE (E_PSEUDOBASE + 20) /* base for DNS h_errno */
+
+/* type of arbitrary pointer */
+#ifndef ARBPTR_T
+# define ARBPTR_T void *
+#endif
+
+#ifndef __P
+# include "cdefs.h"
+#endif
+
+#if HESIOD && !defined(NAMED_BIND)
+# define NAMED_BIND 1 /* not one without the other */
+#endif
+
+#if NAMED_BIND && !defined(__ksr__) && !defined(h_errno)
+extern int h_errno;
+#endif
+
+/*
+** Do some required dependencies
+*/
+
+#if NETINET || NETISO
+# ifndef SMTP
+# define SMTP 1 /* enable user and server SMTP */
+# endif
+# ifndef QUEUE
+# define QUEUE 1 /* enable queueing */
+# endif
+# ifndef DAEMON
+# define DAEMON 1 /* include the daemon (requires IPC & SMTP) */
+# endif
+#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_) && !defined(NonStop_UX_BXX) && !defined(ALTOS_SYSTEM_V)
+# 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
+
+#ifndef LOCK_SH
+# define LOCK_SH 0x01 /* shared lock */
+# define LOCK_EX 0x02 /* exclusive lock */
+# define LOCK_NB 0x04 /* non-blocking lock */
+# define LOCK_UN 0x08 /* unlock */
+#endif
+
+#ifndef S_IXOTH
+# define S_IXOTH (S_IEXEC >> 6)
+#endif
+
+#ifndef S_IXGRP
+# define S_IXGRP (S_IEXEC >> 3)
+#endif
+
+#ifndef S_IXUSR
+# define S_IXUSR (S_IEXEC)
+#endif
+
+#ifndef SEEK_SET
+# define SEEK_SET 0
+# define SEEK_CUR 1
+# define SEEK_END 2
+#endif
+
+#ifndef SIG_ERR
+# define SIG_ERR ((void (*)()) -1)
+#endif
+
+#ifndef WEXITSTATUS
+# define WEXITSTATUS(st) (((st) >> 8) & 0377)
+#endif
+#ifndef WIFEXITED
+# define WIFEXITED(st) (((st) & 0377) == 0)
+#endif
+
+#ifndef SIGFUNC_DEFINED
+typedef void (*sigfunc_t) __P((int));
+#endif
+#ifndef SIGFUNC_RETURN
+# define SIGFUNC_RETURN
+#endif
+#ifndef SIGFUNC_DECL
+# define SIGFUNC_DECL void
+#endif
+
+/* size of syslog buffer */
+#ifndef SYSLOG_BUFSIZE
+# define SYSLOG_BUFSIZE 1024
+#endif
+
+/*
+** Size of prescan buffer.
+** Despite comments in the _sendmail_ book, this probably should
+** not be changed; there are some hard-to-define dependencies.
+*/
+
+# define PSBUFSIZE (MAXNAME + MAXATOM) /* size of prescan buffer */
+
+/* fork routine -- set above using #ifdef _osname_ or in Makefile */
+# ifndef FORK
+# define FORK fork /* function to call to fork mailer */
+# endif
+
+/*
+** Default to using scanf in readcf.
+*/
+
+#ifndef SCANF
+# define SCANF 1
+#endif
+
+/*
+** SVr4 and similar systems use different routines for setjmp/longjmp
+** with signal support
+*/
+
+#if USE_SIGLONGJMP
+# ifdef jmp_buf
+# undef jmp_buf
+# endif
+# define jmp_buf sigjmp_buf
+# ifdef setjmp
+# undef setjmp
+# endif
+# define setjmp(env) sigsetjmp(env, 1)
+# ifdef longjmp
+# undef longjmp
+# endif
+# define longjmp(env, val) siglongjmp(env, val)
+#endif
+
+#if !defined(NGROUPS_MAX) && defined(NGROUPS)
+# define NGROUPS_MAX NGROUPS /* POSIX naming convention */
+#endif
+
+/*
+** If we don't have a system syslog, simulate it.
+*/
+
+#if !LOG
+# define LOG_EMERG 0 /* system is unusable */
+# define LOG_ALERT 1 /* action must be taken immediately */
+# define LOG_CRIT 2 /* critical conditions */
+# define LOG_ERR 3 /* error conditions */
+# define LOG_WARNING 4 /* warning conditions */
+# define LOG_NOTICE 5 /* normal but significant condition */
+# define LOG_INFO 6 /* informational */
+# define LOG_DEBUG 7 /* debug-level messages */
+#endif
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