742 lines
17 KiB
C
742 lines
17 KiB
C
/*
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* Collect all machine dependent idiosyncrasies in one place.
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*/
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#ifndef __ntp_machine
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#define __ntp_machine
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/*
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Various options.
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They can defined with the DEFS directive in the Config file if they
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are not defined here.
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WHICH NICE
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HAVE_ATT_NICE - Use att nice(priority_change)
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HAVE_BSD_NICE - Use bsd setprioirty(which, who, priority)
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HAVE_NO_NICE - Don't have (or use) either
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KERNEL MUCKING - If you porting to a new system see xntpd/ntp_unixclock.c and
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util/tickadj.c to see what these do. This is very system
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dependent stuff!!!
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HAVE_LIBKVM - Use libkvm to read kernal memory
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HAVE_READKMEM - Use read to read kernal memory
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NOKMEM - Don't read kmem
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HAVE_N_UN - Have u_nn nlist struct.
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WHICH SETPGRP TO USE - Not needed if NTP_POSIX_SOURCE is defined since you
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better of setsid!
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HAVE_ATT_SETPGRP - setpgrp(void) instead of setpgrp(int, int)
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Signaled IO - Signled IO defines.
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HAVE_SIGNALED_IO - Enable signaled io. Assumes you are going to use SIGIO
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for tty and udp io.
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USE_UDP_SIGPOLL - Use SIGPOLL on socket io. This assumes that the
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sockets routines are defined on top of streams.
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USE_TTY_SIGPOLL - Use SIGPOLL on tty io. This assumes streams.
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UDP_BACKWARDS_SETOWN - SunOS 3.5 or Ultirx 2.0 system.
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WHICH TERMINAL MODEL TO USE - I would assume HAVE_TERMIOS if
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NTP_POSIX_SOURCE was set but can't. The
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posix tty driver is too restrictive on most systems.
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It is defined if you define STREAMS.
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We do not put these defines in the ntp_machine.h as some systems
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offer multiple interfaces and refclock configuration likes to
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peek into the configuration defines for tty model restrictions.
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Thus all tty definitions should be in the files in the machines directory.
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HAVE_TERMIOS - Use POSIX termios.h
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HAVE_SYSV_TTYS - Use SYSV termio.h
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HAVE_BSD_TTYS - Use BSD stty.h
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THIS MAKES PORTS TO NEW SYSTEMS EASY - You only have to wory about
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kernel mucking.
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NTP_POSIX_SOURCE - Use POSIX functions over bsd functions and att functions.
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This is NOT the same as _POSIX_SOURCE.
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It is much weaker!
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STEP SLEW OR TWO STEP - The Default is to step.
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SLEWALWAYS - setttimeofday can not be used to set the time of day at
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all.
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STEP_SLEW - setttimeofday can not set the seconds part of time
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time use setttimeofday to set the seconds part of the
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time and the slew the seconds.
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FORCE_NTPDATE_STEP - even if SLEWALWAYS is defined, force a step of
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of the systemtime (via settimeofday()). Only takes
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affect if STEP_SLEW isn't defined.
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WHICH TIMEOFDAY()
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SYSV_TIMEOFDAY - [sg]ettimeofday(struct timeval *) as opposed to BSD
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[sg]ettimeofday(struct timeval *, struct timezone *)
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INFO ON NEW KERNEL PLL SYS CALLS
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NTP_SYSCALLS_STD - use the "normal" ones
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NTP_SYSCALL_GET - SYS_ntp_gettime id
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NTP_SYSCALL_ADJ - SYS_ntp_adjtime id
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NTP_SYSCALLS_LIBC - ntp_adjtime() and ntp_gettime() are in libc.
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HOW TO GET IP INTERFACE INFORMATION
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Some UNIX V.4 machines implement a sockets library on top of
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streams. For these systems, you must use send the SIOCGIFCONF down
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the stream in an I_STR ioctl. This ususally also implies
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USE_STREAMS_DEVICE FOR IF_CONFIG. Dell UNIX is a notable exception.
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STREAMS_TLI - use ioctl(I_STR) to implement ioctl(SIOCGIFCONF)
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WHAT DOES IOCTL(SIOCGIFCONF) RETURN IN THE BUFFER
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UNIX V.4 machines implement a sockets library on top of streams.
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When requesting the IP interface configuration with an ioctl(2) calll,
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an array of ifreq structures are placed in the provided buffer. Some
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implementations also place the length of the buffer information in
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the first integer position of the buffer.
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SIZE_RETURNED_IN_BUFFER - size integer is in the buffer
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WILL IOCTL(SIOCGIFCONF) WORK ON A SOCKET
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Some UNIX V.4 machines do not appear to support ioctl() requests for the
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IP interface configuration on a socket. They appear to require the use
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of the streams device instead.
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USE_STREAMS_DEVICE_FOR_IF_CONFIG - use the /dev/ip device for configuration
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MISC
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USE_PROTOTYPES - Prototype functions
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DOSYNCTODR - Resync TODR clock every hour.
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RETSIGTYPE - Define signal function type.
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NO_SIGNED_CHAR_DECL - No "signed char" see include/ntp.h
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LOCK_PROCESS - Have plock.
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UDP_WILDCARD_DELIVERY
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- these systems deliver broadcast packets to the wildcard
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port instead to a port bound to the interface bound
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to the correct broadcast address - are these
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implementations broken or did the spec change ?
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DEFINITIONS FOR SYSTEM && PROCESSOR
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STR_SYSTEM - value of system variable
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STR_PROCESSOR - value of processor variable
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You could just put the defines on the DEFS line in machines/<os> file.
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I don't since there are lots of different types of compilers that a system might
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have, some that can do proto typing and others that cannot on the same system.
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I get a chance to twiddle some of the configuration parameters at compile
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time based on compiler/machine combinations by using this include file.
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See convex, aix and sun configurations see how complex it get.
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Note that it _is_ considered reasonable to add some system-specific defines
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to the machine/<os> file if it would be too inconvenient to puzzle them out
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in this file.
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*/
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/*
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* RS6000 running AIX.
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*/
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#if defined(SYS_AIX)
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#define HAVE_SIGNALED_IO
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#ifndef _BSD
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#define NTP_STDC
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#define NTP_POSIX_SOURCE
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/*
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* Keep USE_PROTOTYPES and _NO_PROTO in step.
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*/
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#if defined(_NO_PROTO) && defined(USE_PROTOTYPES)
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#undef USE_PROTOTYPES
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#endif
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#if !defined(_NO_PROTO) && !defined(USE_PROTOTYPES)
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#define USE_PROTOTYPES
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#endif
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#endif /*_BSD */
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/AIX"
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#endif
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#endif /* RS6000 */
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/*
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* SunOS 4.X.X
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* Note: posix version has NTP_POSIX_SOURCE and HAVE_SIGNALED_IO
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*/
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#if defined(SYS_SUNOS4)
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#define NTP_NEED_BOPS
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#define NO_SIGNED_CHAR_DECL
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#define HAVE_LIBKVM
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#define HAVE_MALLOC_H
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#define HAVE_BSD_NICE
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#define RETSIGTYPE void
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#define NTP_SYSCALL_GET 132
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#define NTP_SYSCALL_ADJ 147
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#define HAVE_MODEM_CONTROL
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/SunOS 4.x"
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#endif
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#endif
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/*
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* Sinix-M
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*/
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#if defined(SYS_SINIXM)
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#undef HAVE_SIGNALED_IO
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#undef USE_TTY_SIGPOLL
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#undef USE_UDP_SIGPOLL
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#define STREAMS_TLI
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#define NO_SIGNED_CHAR_DECL
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#define STEP_SLEW /* TWO step */
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#define RETSIGTYPE void
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#define NTP_POSIX_SOURCE
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#define HAVE_ATT_SETPGRP
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#define HAVE_ATT_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/SINIX-M"
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#endif
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#endif
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/*
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* SunOS 5.1 or SunOS 5.2 or Solaris 2.1 or Solaris 2.2
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*/
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#if defined(SYS_SOLARIS)
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#define HAVE_SIGNALED_IO
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#define USE_TTY_SIGPOLL
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#define USE_UDP_SIGPOLL
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#define NO_SIGNED_CHAR_DECL
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#define STEP_SLEW /* TWO step */
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#define RETSIGTYPE void
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#define NTP_POSIX_SOURCE
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#define HAVE_ATT_SETPGRP
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#define HAVE_ATT_NICE
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#define UDP_WILDCARD_DELIVERY
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#define HAVE_MODEM_CONTROL
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Solaris 2.x"
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#endif
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#endif
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/*
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* Convex
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*/
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#if defined(SYS_CONVEXOS10) || defined(SYS_CONVEXOS9)
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#define HAVE_SIGNALED_IO
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#define HAVE_N_UN
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#define HAVE_READKMEM
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#define HAVE_BSD_NICE
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#if defined(convex)
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#define RETSIGTYPE int
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#define NO_SIGNED_CHAR_DECL
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#else
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#if defined(__stdc__) && !defined(USE_PROTOTYPES)
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#define USE_PROTOTYPES
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#endif
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#if !defined(__stdc__) && defined(USE_PROTOTYPES)
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#undef USE_PROTOTYPES
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#endif
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#define NTP_POSIX_SOURCE
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#define HAVE_ATT_SETPGRP
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#endif
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/ConvexOS"
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#endif
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#endif
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/*
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* IRIX 4.X and IRIX 5.x
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*/
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#if defined(SYS_IRIX4)||defined(SYS_IRIX5)
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#define HAVE_SIGNALED_IO
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#define USE_TTY_SIGPOLL
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#define ADJTIME_IS_ACCURATE
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#define LOCK_PROCESS
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#define USE_PROTOTYPES
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#define HAVE_ATT_SETPGRP
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#define HAVE_BSD_NICE
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#define NTP_POSIX_SOURCE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/IRIX"
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#endif
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#endif
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/*
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* Ultrix
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* Note: posix version has NTP_POSIX_SOURCE and HAVE_SIGNALED_IO
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*/
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#if defined(SYS_ULTRIX)
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#define S_CHAR_DEFINED
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#define HAVE_READKMEM
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#define HAVE_BSD_NICE
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#define RETSIGTYPE void
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#define NTP_SYSCALLS_STD
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#define HAVE_MODEM_CONTROL
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Ultrix"
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#endif
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#endif
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/*
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* AUX
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*/
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#if defined(SYS_AUX2) || defined(SYS_AUX3)
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#define NO_SIGNED_CHAR_DECL
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#define HAVE_READKMEM
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#define HAVE_ATT_NICE
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#define LOCK_PROCESS
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#define NTP_POSIX_SOURCE
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/*
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* This requires that _POSIX_SOURCE be forced on the
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* compiler command flag. We can't do it here since this
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* file is included _after_ the system header files and we
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* need to let _them_ know we're POSIX. We do this in
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* compilers/aux3.gcc...
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*/
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#define SLEWALWAYS
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#define FORCE_NTPDATE_STEP
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#define RETSIGTYPE void
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#define HAVE_ATT_SETPGRP
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#define LOG_NTP LOG_LOCAL1
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#define HAVE_SIGNALED_IO
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#define NTP_NEED_BOPS
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/AUX"
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#endif
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#endif
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/*
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* Next
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*/
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#if defined(SYS_NEXT)
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#define RETSIGTYPE void
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#define DOSYNCTODR
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#define HAVE_READKMEM
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#define HAVE_BSD_NICE
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#define HAVE_N_UN
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#undef NTP_POSIX_SOURCE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Next"
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#endif
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#endif
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/*
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* HPUX
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*/
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#if defined(SYS_HPUX)
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#define NTP_POSIX_SOURCE
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#define HAVE_SIGNALED_IO
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#define getdtablesize() sysconf(_SC_OPEN_MAX)
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#define setlinebuf(f) setvbuf(f, NULL, _IOLBF, 0)
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#define NO_SIGNED_CHAR_DECL
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#define LOCK_PROCESS
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#define RETSIGTYPE void
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#if (SYS_HPUX < 9)
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#define HAVE_NO_NICE /* HPUX uses rtprio instead */
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#else
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#define HAVE_BSD_NICE /* new at 9.X */
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#endif
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#if (SYS_HPUX < 10)
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#define NOKMEM
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#else
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#define HAVE_READKMEM
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#endif
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/HPUX"
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#endif
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#endif
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/*
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* bsdi
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*/
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#if defined(SYS_BSDI)
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#define HAVE_SIGNALED_IO
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#define HAVE_LIBKVM
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#define NTP_POSIX_SOURCE
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/BSDI"
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#endif
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#endif
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/*
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* 4.4 bsd
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*/
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#if defined(SYS_44BSD)
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#define HAVE_SIGNALED_IO
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#define HAVE_LIBKVM
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#define NTP_POSIX_SOURCE
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#define HAVE_BSD_NICE
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#define USE_PROTOTYPES
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/4.4BSD"
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#endif
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#define MCAST
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#ifdef SYS_FREEBSD
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#ifdef HAVE_SIGNALED_IO
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#undef HAVE_SIGNALED_IO
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#endif
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#define HAVE_TERMIOS
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#define HAVE_UNAME
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#define HAVE_SYS_TIMEX_H
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#define HAVE_GETBOOTFILE
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#define NTP_SYSCALLS_LIBC
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#define KERNEL_PLL
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#endif
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#endif
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/*
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* Linux
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*/
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#if defined(SYS_LINUX)
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#undef HAVE_SIGNALED_IO
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#define RETSIGTYPE void
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#define NTP_POSIX_SOURCE
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#define ADJTIME_IS_ACCURATE
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#define HAVE_SYS_TIMEX_H
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/* hope there will be a standard interface
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* along with a standard name one day ! */
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#define ntp_adjtime __adjtimex
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Linux"
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#endif
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#endif
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/*
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* 386BSD and any variants 8-) - should really have only ONE define
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* for this bunch.
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*/
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#if defined(SYS_386BSD) || defined(SYS_NETBSD)
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#define HAVE_SIGNALED_IO
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#define HAVE_READKMEM
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#define NTP_POSIX_SOURCE
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/\052BSD"
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#endif
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#ifdef SYS_FREEBSD
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#define HAVE_TERMIOS
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#define HAVE_UNAME
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#define HAVE_SYS_TIMEX_H
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#define NTP_SYSCALLS_LIBC
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#define KERNEL_PLL
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#endif
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#endif
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/*
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* DEC AXP OSF/1
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*/
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#if defined(SYS_DECOSF1)
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#define HAVE_SIGNALED_IO
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#define HAVE_READKMEM
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#define NTP_POSIX_SOURCE
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#define NTP_SYSCALLS_STD
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#define HAVE_BSD_NICE
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#define HAVE_MODEM_CONTROL
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/DECOSF1"
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#endif
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#endif
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/*
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* Intel x86 OSF/1
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*/
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#if defined(SYS_IX86OSF1)
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#define HAVE_SIGNALED_IO
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#define HAVE_READKMEM
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#define NTP_POSIX_SOURCE
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#define NTP_SYSCALLS_STD
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#define HAVE_BSD_NICE
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#define HAVE_MODEM_CONTROL
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#define SYS_DECOSF1
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/IX86OSF1"
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#endif
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#endif
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/*
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* ISI
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*/
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#if defined(SYS_BSD)
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#define NO_SIGNED_CHAR_DECL
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#define HAVE_BSD_NICE
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#define HAVE_BSD_TTYS
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#define HAVE_READKMEM
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#define HAVE_SIGNALED_IO
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#define NEED_VSPRINTF
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#undef NTP_POSIX_SOURCE
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#endif
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/*
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* I386
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* XXX - what OS?
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*/
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#if defined(SYS_I386)
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#define HAVE_READKMEM
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#define S_CHAR_DEFINED
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/I386"
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#endif
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#endif
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/*
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* Mips
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*/
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#if defined(SYS_MIPS)
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#define NOKMEM
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Mips"
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#endif
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#endif
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/*
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* SEQUENT
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*/
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#if defined(SYS_SEQUENT)
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Sequent Dynix 3"
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#endif
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#endif
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/*
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* PTX
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*/
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#if defined(SYS_PTX)
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#define NO_SIGNED_CHAR_DECL
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#define STREAMS_TLI
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#define HAVE_ATT_SETPGRP
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#define HAVE_SIGNALED_IO
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#define USE_UDP_SIGPOLL
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#define USE_TTY_SIGPOLL
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#undef ADJTIME_IS_ACCURATE /* not checked yet */
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#define LOCK_PROCESS
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#define HAVE_ATT_SETPGRP
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#define HAVE_ATT_NICE
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#define STEP_SLEW /* TWO step */
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#define SYSV_GETTIMEOFDAY
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#define HAVE_READKMEM
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#define UDP_WILDCARD_DELIVERY
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#define NTP_POSIX_SOURCE
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#define memmove(x, y, z) memcpy(x, y, z)
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struct timezone { int __0; }; /* unused placebo */
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/*
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* no comment !@!
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*/
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typedef unsigned int u_int;
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#ifndef _NETINET_IN_SYSTM_INCLUDED /* i am about to comment... */
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typedef unsigned char u_char;
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typedef unsigned short u_short;
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typedef unsigned long u_long;
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#endif
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Sequent PTX"
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#endif
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#endif
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/*
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* Sony NEWS
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*/
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#if defined(SYS_SONY)
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#define NO_SIGNED_CHAR_DECL
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#define HAVE_READKMEM
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Sony"
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#endif
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#endif
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/*
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* VAX
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* XXX - VMS?
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*/
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#if defined(SYS_VAX)
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#define NO_SIGNED_CHAR_DECL
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#define HAVE_READKMEM
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#define HAVE_BSD_NICE
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/VAX"
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#endif
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#endif
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/*
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* UNIX V.4 on and NCR 3000
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*/
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#if defined(SYS_SVR4)
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#define HAVE_ATT_SETPGRP
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#define USE_PROTOTYPES
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#define NTP_POSIX_SOURCE
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#define HAVE_ATT_NICE
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#define HAVE_READKMEM
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#define USE_TTY_SIGPOLL
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#define USE_UDP_SIGPOLL
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#define STREAM
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#define STEP_SLEW /* TWO step */
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#define LOCK_PROCESS
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#define SYSV_TIMEOFDAY
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#define SIZE_RETURNED_IN_BUFFER
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/SysVR4"
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#endif
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#endif
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/*
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* (Univel/Novell) Unixware1 SVR4 on intel x86 processor
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*/
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#if defined(SYS_UNIXWARE1)
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/* #define _POSIX_SOURCE */
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#undef HAVE_ATT_SETPGRP
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#define USE_PROTOTYPES
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#define NTP_POSIX_SOURCE
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#define HAVE_ATT_NICE
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#define HAVE_READKMEM
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#define USE_TTY_SIGPOLL
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#define USE_UDP_SIGPOLL
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#define UDP_WILDCARD_DELIVERY
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#undef HAVE_SIGNALED_IO
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#define STREAM
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#define STREAMS
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#ifndef STREAMS_TLI
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/*#define STREAMS_TLI*/
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#endif
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/* #define USE_STREAMS_DEVICE_FOR_IF_CONFIG */
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#undef STEP_SLEW /* TWO step */
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#define LOCK_PROCESS
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#define NO_SIGNED_CHAR_DECL
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#undef SYSV_TIMEOFDAY
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#define SIZE_RETURNED_IN_BUFFER
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#define RETSIGTYPE void
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#include <sys/sockio.h>
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#include <sys/types.h>
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#include <netinet/in_systm.h>
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/Unixware1"
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#endif
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#endif
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/*
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* DomainOS
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*/
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#if defined(SYS_DOMAINOS)
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#define HAVE_BSD_NICE
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#define NOKMEM
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#define HAVE_SIGNALED_IO
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#define NTP_SYSCALLS_STD
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#define USE_PROTOTYPES
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#define UDP_WILDCARD_DELIVERY
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#ifndef STR_SYSTEM
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#define STR_SYSTEM "UNIX/DOMAINOS"
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#endif
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#endif
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#ifdef STREAM /* STREAM implies TERMIOS */
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#ifndef HAVE_TERMIOS
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#define HAVE_TERMIOS
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#endif
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#endif
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#ifndef RETSIGTYPE
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#if defined(NTP_POSIX_SOURCE)
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#define RETSIGTYPE void
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#else
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#define RETSIGTYPE int
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#endif
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#endif
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#ifdef NTP_SYSCALLS_STD
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#ifndef NTP_SYSCALL_GET
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#define NTP_SYSCALL_GET 235
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#endif
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#ifndef NTP_SYSCALL_ADJ
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#define NTP_SYSCALL_ADJ 236
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#endif
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#endif /* NTP_SYSCALLS_STD */
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#if !defined(HAVE_ATT_NICE) \
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&& !defined(HAVE_BSD_NICE) \
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&& !defined(HAVE_NO_NICE)
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ERROR You_must_define_one_of_the_HAVE_xx_NICE_defines
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#endif
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/*
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* use only one tty model - no use in initialising
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* a tty in three ways
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* HAVE_TERMIOS is preferred over HAVE_SYSV_TTYS over HAVE_BSD_TTYS
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*/
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#ifdef HAVE_TERMIOS
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#undef HAVE_BSD_TTYS
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#undef HAVE_SYSV_TTYS
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#endif
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#ifdef HAVE_SYSV_TTYS
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#undef HAVE_BSD_TTYS
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#endif
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#if !defined(HAVE_SYSV_TTYS) \
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&& !defined(HAVE_BSD_TTYS) \
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&& !defined(HAVE_TERMIOS)
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ERROR no_tty_type_defined
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#endif
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#if !defined(XNTP_BIG_ENDIAN) && !defined(XNTP_LITTLE_ENDIAN)
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# if defined(XNTP_AUTO_ENDIAN)
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# include <netinet/in.h>
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# if BYTE_ORDER == BIG_ENDIAN
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# define XNTP_BIG_ENDIAN
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# endif
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# if BYTE_ORDER == LITTLE_ENDIAN
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# define XNTP_LITTLE_ENDIAN
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# endif
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# else /* AUTO */
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# ifdef WORDS_BIGENDIAN
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# define XNTP_BIG_ENDIAN 1
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# else
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# define XNTP_LITTLE_ENDIAN 1
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# endif
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# endif /* AUTO */
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#endif /* !BIG && !LITTLE */
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/*
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* Byte order woes. The DES code is sensitive to byte order. This
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* used to be resolved by calling ntohl() and htonl() to swap things
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* around, but this turned out to be quite costly on Vaxes where those
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* things are actual functions. The code now straightens out byte
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* order troubles on its own, with no performance penalty for little
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* end first machines, but at great expense to cleanliness.
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*/
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#if !defined(XNTP_BIG_ENDIAN) && !defined(XNTP_LITTLE_ENDIAN)
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/*
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* Pick one or the other.
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*/
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BYTE_ORDER_NOT_DEFINED_FOR_AUTHENTICATION
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#endif
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#if defined(XNTP_BIG_ENDIAN) && defined(XNTP_LITTLE_ENDIAN)
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/*
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* Pick one or the other.
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*/
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BYTE_ORDER_NOT_DEFINED_FOR_AUTHENTICATION
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#endif
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#endif /* __ntp_machine */
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