# Standard: http://pubs.opengroup.org/onlinepubs/7908799/xsh/unistd.h.html
# Linux:    OpenSuSE11.4: kernel 2.6.37
# OpenSolaris: http://www.unix.com/man-page/OpenSolaris/3head/unistd.h/

_POSIX_1_SOURCE
_POSIX2_C_BIND
_POSIX2_C_DEV
_POSIX2_CHAR_TERM
_POSIX2_C_VERSION
_POSIX2_FORT_DEV
_POSIX2_FORT_RUN
_POSIX2_LOCALEDEF
_POSIX2_PBS
_POSIX2_PBS_ACCOUNTING
_POSIX2_PBS_CHECKPOINT
_POSIX2_PBS_LOCATE
_POSIX2_PBS_MESSAGE
_POSIX2_PBS_TRACK
_POSIX2_SW_DEV
_POSIX2_UPE
_POSIX2_VERSION
_POSIX_ACL
_POSIX_ADVISORY_INFO
_POSIX_AIO_LISTIO_MAX
_POSIX_AIO_MAX
_POSIX_API
_POSIX_ARG_MAX
_POSIX_ASYNCHRONOUS_IO
_POSIX_ASYNC_IO
_POSIX_AWK
_POSIX_BACKTRACKING
_POSIX_BARRIERS
_POSIX_BASIC
_POSIX_BASIC_DESCRIPTOR_HPP
_POSIX_BASIC_STREAM_DESCRIPTOR_HPP
_POSIX_CHARSET_MATCHER_HPP_EAN_10_04_2005
_POSIX_CHILD_MAX
_POSIX_CHOWN_RESTRICTED
_POSIX_CLASS_NAME
_POSIX_CLOCKRES_MIN
_POSIX_CLOCK_SELECTION
_POSIX_COLLATING_ELEMENTS_NOT_SUPPORTED
_POSIX_COMMON
_POSIX_CPUTIME
_POSIX_C_SOURCE
_POSIX_DELAYTIMER_MAX
_POSIX_DESCRIPTOR_BASE_HPP
_POSIX_DIR
_POSIX_EGREP
_POSIX_EVENT_HPP
_POSIX_EVENT_IPP
_POSIX_EXTENDED
_POSIX_FD_SET_ADAPTER_HPP
_POSIX_FD_SETSIZE
_POSIX_FSYNC
_POSIX_H
_POSIX_HIWAT
_POSIX_HOST_NAME_MAX
_POSIX_HPP_INCLUDED
_POSIX_IMPLICITLY
_POSIX_IPV6
_POSIX_JOB_CONTROL
_POSIX_LINK_MAX
_POSIX_LOCKS
_POSIX_LOGIN_NAME_MAX
_POSIX_MAP
_POSIX_MAPPED_FILES
_POSIX_MAX_CANON
_POSIX_MAX_INPUT
_POSIX_MEMLOCK
_POSIX_MEMLOCK_RANGE
_POSIX_MEMORY_PROTECTION
_POSIX_MESSAGE_PASSING
_POSIX_MINIMAL_BASIC
_POSIX_MINIMAL_EXTENDED
_POSIX_MONOTONIC_CLOCK
_POSIX_MQ_OPEN_MAX
_POSIX_MQ_PRIO_MAX
_POSIX_MUTEX_HPP
_POSIX_MUTEX_IPP
_POSIX_NAMED_CLASS_OUTSIDE_CLASS
_POSIX_NAMED_SEMAPHORES
_POSIX_NAME_MAX
_POSIX_NGROUPS_MAX
_POSIX_NO_TRUNC
_POSIX_OPEN_MAX
_POSIX_OPT_H
_POSIX_PATH
_POSIX_PATH_MAX
_POSIX_PII
_POSIX_PII_INTERNET
_POSIX_PII_INTERNET_DGRAM
_POSIX_PII_INTERNET_STREAM
_POSIX_PII_OSI
_POSIX_PII_OSI_CLTS
_POSIX_PII_OSI_COTS
_POSIX_PII_SOCKET
_POSIX_PII_XTI
_POSIX_PIPE_BUF
_POSIX_POLL
_POSIX_PRIO_IO
_POSIX_PRIORITIZED_IO
_POSIX_PRIORITY_SCHEDULING
_POSIX_PROCESS_SHARED
_POSIX_PTHREAD_SEMANTICS
_POSIX_QLIMIT
_POSIX_RAW_SOCKETS
_POSIX_READER_WRITER_LOCKS
_POSIX_REALTIME_SIGNALS
_POSIX_RECURSIVE_MUTEXES
_POSIX_RE_DUP_MAX
_POSIX_REENTRANT_FUNCTIONS
_POSIX_REGEXP
_POSIX_RTSIG_MAX
_POSIX_SAVED_IDS
_POSIX_SELECT
_POSIX_SEMAPHORES
_POSIX_SEMAPHORES_NO_UNLINK
_POSIX_SEMAPHORE_WRAPPER_HPP
_POSIX_SEM_FAILED
_POSIX_SEM_NSEMS_MAX
_POSIX_SEM_VALUE_MAX
_POSIX_SHARED_MEMORY
_POSIX_SHARED_MEMORY_OBJECTS
_POSIX_SHARED_MEMORY_OBJECTS_NO_GROW
_POSIX_SHELL
_POSIX_SIGNAL_BLOCKER_HPP
_POSIX_SIGQUEUE_MAX
_POSIX_SOURCE
_POSIX_SPAWN
_POSIX_SPIN_LOCKS
_POSIX_SPORADIC_SERVER
_POSIX_SSIZE_MAX
_POSIX_STREAM_DESCRIPTOR
_POSIX_STREAM_DESCRIPTOR_HPP
_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP
_POSIX_STREAM_MAX
_POSIX_SYMLINK_MAX
_POSIX_SYMLOOP_MAX
_POSIX_SYNCHRONIZED_IO
_POSIX_SYNC_IO
_POSIX_THREAD_ATTR_STACKADDR
_POSIX_THREAD_ATTR_STACKSIZE
_POSIX_THREAD_CPUTIME
_POSIX_THREAD_DESTRUCTOR_ITERATIONS
_POSIX_THREAD_HPP
_POSIX_THREAD_IPP
_POSIX_THREAD_KEYS_MAX
_POSIX_THREAD_PRIO_INHERIT
_POSIX_THREAD_PRIO_PROTECT
_POSIX_THREAD_PRIORITY_SCHEDULING
_POSIX_THREAD_PROCESS_SHARED
_POSIX_THREAD_ROBUST_PRIO_INHERIT
_POSIX_THREAD_ROBUST_PRIO_PROTECT
_POSIX_THREADS
_POSIX_THREAD_SAFE_FUNCTIONS
_POSIX_THREAD_SPORADIC_SERVER
_POSIX_THREAD_THREADS_MAX
_POSIX_TIME_IO_HPP__
_POSIX_TIMEOUTS
_POSIX_TIMER_MAX
_POSIX_TIMERS
_POSIX_TIME_STD_CONFIG
_POSIX_TIMES_WRK_HPP
_POSIX_TIME_ZONE__
_POSIX_TRACE
_POSIX_TRACE_EVENT_FILTER
_POSIX_TRACE_INHERIT
_POSIX_TRACE_LOG
_POSIX_TSS_PTR_HPP
_POSIX_TSS_PTR_IPP
_POSIX_TTY_NAME_MAX
_POSIX_TYPED_MEMORY_OBJECTS
_POSIX_TYPES_32_H
_POSIX_TYPES_64_H
_POSIX_TYPES_H
_POSIX_TZNAME_MAX
_POSIX_UIO_MAXIOV
_POSIX_V5_WIDTH_RESTRICTED_ENVS
_POSIX_V6_ILP32_OFF32
_POSIX_V6_ILP32_OFF32_CFLAGS
_POSIX_V6_ILP32_OFF32_LDFLAGS
_POSIX_V6_ILP32_OFF32_LIBS
_POSIX_V6_ILP32_OFF32_LINTFLAGS
_POSIX_V6_ILP32_OFFBIG
_POSIX_V6_ILP32_OFFBIG_CFLAGS
_POSIX_V6_ILP32_OFFBIG_LDFLAGS
_POSIX_V6_ILP32_OFFBIG_LIBS
_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
_POSIX_V6_LP64_OFF32
_POSIX_V6_LP64_OFF64
_POSIX_V6_LP64_OFF64_CFLAGS
_POSIX_V6_LP64_OFF64_LDFLAGS
_POSIX_V6_LP64_OFF64_LIBS
_POSIX_V6_LP64_OFF64_LINTFLAGS
_POSIX_V6_LPBIG_OFFBIG
_POSIX_V6_LPBIG_OFFBIG_CFLAGS
_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
_POSIX_V6_LPBIG_OFFBIG_LIBS
_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
_POSIX_V6_WIDTH_RESTRICTED_ENVS
_POSIX_V7_ILP32_OFF32
_POSIX_V7_ILP32_OFF32_CFLAGS
_POSIX_V7_ILP32_OFF32_LDFLAGS
_POSIX_V7_ILP32_OFF32_LIBS
_POSIX_V7_ILP32_OFF32_LINTFLAGS
_POSIX_V7_ILP32_OFFBIG
_POSIX_V7_ILP32_OFFBIG_CFLAGS
_POSIX_V7_ILP32_OFFBIG_LDFLAGS
_POSIX_V7_ILP32_OFFBIG_LIBS
_POSIX_V7_ILP32_OFFBIG_LINTFLAGS
_POSIX_V7_LP64_OFF32
_POSIX_V7_LP64_OFF64
_POSIX_V7_LP64_OFF64_CFLAGS
_POSIX_V7_LP64_OFF64_LDFLAGS
_POSIX_V7_LP64_OFF64_LIBS
_POSIX_V7_LP64_OFF64_LINTFLAGS
_POSIX_V7_LPBIG_OFFBIG
_POSIX_V7_LPBIG_OFFBIG_CFLAGS
_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
_POSIX_V7_LPBIG_OFFBIG_LIBS
_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS
_POSIX_V7_WIDTH_RESTRICTED_ENVS
_POSIX_VDISABLE
_POSIX_VERSION
_POSIX_XOPEN_STREAMS