+
+/* Version test macros */
+/* _POSIX_VERSION and _POSIX2_VERSION from sys/unistd.h */
+#define _XOPEN_VERSION 600 /* [XSI] */
+#define _XOPEN_XCU_VERSION 4 /* Older standard */
+
+
+/* Please keep this list in the same order as the applicable standard */
+#define _POSIX_ADVISORY_INFO (-1) /* [ADV] */
+#define _POSIX_ASYNCHRONOUS_IO (-1) /* [AIO] */
+#define _POSIX_BARRIERS (-1) /* [BAR] */
+#define _POSIX_CHOWN_RESTRICTED 200112L
+#define _POSIX_CLOCK_SELECTION (-1) /* [CS] */
+#define _POSIX_CPUTIME (-1) /* [CPT] */
+#define _POSIX_FSYNC 200112L /* [FSC] */
+#define _POSIX_IPV6 200112L
+#define _POSIX_JOB_CONTROL 200112L
+#define _POSIX_MAPPED_FILES 200112L /* [MF] */
+#define _POSIX_MEMLOCK (-1) /* [ML] */
+#define _POSIX_MEMLOCK_RANGE (-1) /* [MR] */
+#define _POSIX_MEMORY_PROTECTION 200112L /* [MPR] */
+#define _POSIX_MESSAGE_PASSING (-1) /* [MSG] */
+#define _POSIX_MONOTONIC_CLOCK (-1) /* [MON] */
+#define _POSIX_NO_TRUNC 200112L
+#define _POSIX_PRIORITIZED_IO (-1) /* [PIO] */
+#define _POSIX_PRIORITY_SCHEDULING (-1) /* [PS] */
+#define _POSIX_RAW_SOCKETS (-1) /* [RS] */
+#define _POSIX_READER_WRITER_LOCKS 200112L /* [THR] */
+#define _POSIX_REALTIME_SIGNALS (-1) /* [RTS] */
+#define _POSIX_REGEXP 200112L
+#define _POSIX_SAVED_IDS 200112L /* XXX required */
+#define _POSIX_SEMAPHORES (-1) /* [SEM] */
+#define _POSIX_SHARED_MEMORY_OBJECTS (-1) /* [SHM] */
+#define _POSIX_SHELL 200112L
+#define _POSIX_SPAWN (-1) /* [SPN] */
+#define _POSIX_SPIN_LOCKS (-1) /* [SPI] */
+#define _POSIX_SPORADIC_SERVER (-1) /* [SS] */
+#define _POSIX_SYNCHRONIZED_IO (-1) /* [SIO] */
+#define _POSIX_THREAD_ATTR_STACKADDR 200112L /* [TSA] */
+#define _POSIX_THREAD_ATTR_STACKSIZE 200112L /* [TSS] */
+#define _POSIX_THREAD_CPUTIME (-1) /* [TCT] */
+#define _POSIX_THREAD_PRIO_INHERIT (-1) /* [TPI] */
+#define _POSIX_THREAD_PRIO_PROTECT (-1) /* [TPP] */
+#define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) /* [TPS] */
+#define _POSIX_THREAD_PROCESS_SHARED 200112L /* [TSH] */
+#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L /* [TSF] */
+#define _POSIX_THREAD_SPORADIC_SERVER (-1) /* [TSP] */
+#define _POSIX_THREADS 200112L /* [THR] */
+#define _POSIX_TIMEOUTS (-1) /* [TMO] */
+#define _POSIX_TIMERS (-1) /* [TMR] */
+#define _POSIX_TRACE (-1) /* [TRC] */
+#define _POSIX_TRACE_EVENT_FILTER (-1) /* [TEF] */
+#define _POSIX_TRACE_INHERIT (-1) /* [TRI] */
+#define _POSIX_TRACE_LOG (-1) /* [TRL] */
+#define _POSIX_TYPED_MEMORY_OBJECTS (-1) /* [TYM] */
+#ifndef _POSIX_VDISABLE
+#define _POSIX_VDISABLE 0xff /* same as sys/termios.h */
+#endif /* _POSIX_VDISABLE */
+
+#if __DARWIN_C_LEVEL >= 199209L
+#define _POSIX2_C_BIND 200112L
+#define _POSIX2_C_DEV 200112L /* c99 command */
+#define _POSIX2_CHAR_TERM 200112L
+#define _POSIX2_FORT_DEV (-1) /* fort77 command */
+#define _POSIX2_FORT_RUN 200112L
+#define _POSIX2_LOCALEDEF 200112L /* localedef command */
+#define _POSIX2_PBS (-1)
+#define _POSIX2_PBS_ACCOUNTING (-1)
+#define _POSIX2_PBS_CHECKPOINT (-1)
+#define _POSIX2_PBS_LOCATE (-1)
+#define _POSIX2_PBS_MESSAGE (-1)
+#define _POSIX2_PBS_TRACK (-1)
+#define _POSIX2_SW_DEV 200112L
+#define _POSIX2_UPE 200112L /* XXXX no fc, newgrp, tabs */
+#endif /* __DARWIN_C_LEVEL */
+
+#define __ILP32_OFF32 (-1)
+#define __ILP32_OFFBIG (1)
+#define __LP64_OFF64 (1)
+#define __LPBIG_OFFBIG (1)
+
+#if __DARWIN_C_LEVEL >= 200112L
+#define _POSIX_V6_ILP32_OFF32 __ILP32_OFF32
+#define _POSIX_V6_ILP32_OFFBIG __ILP32_OFFBIG
+#define _POSIX_V6_LP64_OFF64 __LP64_OFF64
+#define _POSIX_V6_LPBIG_OFFBIG __LPBIG_OFFBIG
+#endif /* __DARWIN_C_LEVEL >= 200112L */
+
+#if __DARWIN_C_LEVEL >= 200809L
+#define _POSIX_V7_ILP32_OFF32 __ILP32_OFF32
+#define _POSIX_V7_ILP32_OFFBIG __ILP32_OFFBIG
+#define _POSIX_V7_LP64_OFF64 __LP64_OFF64
+#define _POSIX_V7_LPBIG_OFFBIG __LPBIG_OFFBIG
+#endif /* __DARWIN_C_LEVEL >= 200809L */
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define _V6_ILP32_OFF32 __ILP32_OFF32
+#define _V6_ILP32_OFFBIG __ILP32_OFFBIG
+#define _V6_LP64_OFF64 __LP64_OFF64
+#define _V6_LPBIG_OFFBIG __LPBIG_OFFBIG
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+#if (__DARWIN_C_LEVEL >= 199506L && __DARWIN_C_LEVEL < 200809L) || __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+/* Removed in Issue 7 */
+#define _XBS5_ILP32_OFF32 __ILP32_OFF32
+#define _XBS5_ILP32_OFFBIG __ILP32_OFFBIG
+#define _XBS5_LP64_OFF64 __LP64_OFF64
+#define _XBS5_LPBIG_OFFBIG __LPBIG_OFFBIG
+#endif /* __DARWIN_C_LEVEL < 200809L */
+
+#if __DARWIN_C_LEVEL >= 199506L /* This really should be XSI */
+#define _XOPEN_CRYPT (1)
+#define _XOPEN_ENH_I18N (1) /* XXX required */
+#define _XOPEN_LEGACY (-1) /* no ftime gcvt, wcswcs */
+#define _XOPEN_REALTIME (-1) /* no q'ed signals, mq_* */
+#define _XOPEN_REALTIME_THREADS (-1) /* no posix_spawn, et. al. */
+#define _XOPEN_SHM (1)
+#define _XOPEN_STREAMS (-1) /* Issue 6 */
+#define _XOPEN_UNIX (1)
+#endif /* XSI */
+
+/* configurable system variables */
+#define _SC_ARG_MAX 1
+#define _SC_CHILD_MAX 2
+#define _SC_CLK_TCK 3
+#define _SC_NGROUPS_MAX 4
+#define _SC_OPEN_MAX 5
+#define _SC_JOB_CONTROL 6
+#define _SC_SAVED_IDS 7
+#define _SC_VERSION 8
+#define _SC_BC_BASE_MAX 9
+#define _SC_BC_DIM_MAX 10
+#define _SC_BC_SCALE_MAX 11
+#define _SC_BC_STRING_MAX 12
+#define _SC_COLL_WEIGHTS_MAX 13
+#define _SC_EXPR_NEST_MAX 14
+#define _SC_LINE_MAX 15
+#define _SC_RE_DUP_MAX 16
+#define _SC_2_VERSION 17
+#define _SC_2_C_BIND 18
+#define _SC_2_C_DEV 19
+#define _SC_2_CHAR_TERM 20
+#define _SC_2_FORT_DEV 21
+#define _SC_2_FORT_RUN 22
+#define _SC_2_LOCALEDEF 23
+#define _SC_2_SW_DEV 24
+#define _SC_2_UPE 25
+#define _SC_STREAM_MAX 26
+#define _SC_TZNAME_MAX 27
+
+#if __DARWIN_C_LEVEL >= 199309L
+#define _SC_ASYNCHRONOUS_IO 28
+#define _SC_PAGESIZE 29
+#define _SC_MEMLOCK 30
+#define _SC_MEMLOCK_RANGE 31
+#define _SC_MEMORY_PROTECTION 32
+#define _SC_MESSAGE_PASSING 33
+#define _SC_PRIORITIZED_IO 34
+#define _SC_PRIORITY_SCHEDULING 35
+#define _SC_REALTIME_SIGNALS 36
+#define _SC_SEMAPHORES 37
+#define _SC_FSYNC 38
+#define _SC_SHARED_MEMORY_OBJECTS 39
+#define _SC_SYNCHRONIZED_IO 40
+#define _SC_TIMERS 41
+#define _SC_AIO_LISTIO_MAX 42
+#define _SC_AIO_MAX 43
+#define _SC_AIO_PRIO_DELTA_MAX 44
+#define _SC_DELAYTIMER_MAX 45
+#define _SC_MQ_OPEN_MAX 46
+#define _SC_MAPPED_FILES 47 /* swap _SC_PAGESIZE vs. BSD */
+#define _SC_RTSIG_MAX 48
+#define _SC_SEM_NSEMS_MAX 49
+#define _SC_SEM_VALUE_MAX 50
+#define _SC_SIGQUEUE_MAX 51
+#define _SC_TIMER_MAX 52
+#endif /* __DARWIN_C_LEVEL >= 199309L */
+
+#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define _SC_NPROCESSORS_CONF 57
+#define _SC_NPROCESSORS_ONLN 58
+#endif /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
+
+#if __DARWIN_C_LEVEL >= 200112L
+#define _SC_2_PBS 59
+#define _SC_2_PBS_ACCOUNTING 60
+#define _SC_2_PBS_CHECKPOINT 61
+#define _SC_2_PBS_LOCATE 62
+#define _SC_2_PBS_MESSAGE 63
+#define _SC_2_PBS_TRACK 64
+#define _SC_ADVISORY_INFO 65
+#define _SC_BARRIERS 66
+#define _SC_CLOCK_SELECTION 67
+#define _SC_CPUTIME 68
+#define _SC_FILE_LOCKING 69
+#define _SC_GETGR_R_SIZE_MAX 70
+#define _SC_GETPW_R_SIZE_MAX 71
+#define _SC_HOST_NAME_MAX 72
+#define _SC_LOGIN_NAME_MAX 73
+#define _SC_MONOTONIC_CLOCK 74
+#define _SC_MQ_PRIO_MAX 75
+#define _SC_READER_WRITER_LOCKS 76
+#define _SC_REGEXP 77
+#define _SC_SHELL 78
+#define _SC_SPAWN 79
+#define _SC_SPIN_LOCKS 80
+#define _SC_SPORADIC_SERVER 81
+#define _SC_THREAD_ATTR_STACKADDR 82
+#define _SC_THREAD_ATTR_STACKSIZE 83
+#define _SC_THREAD_CPUTIME 84
+#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85
+#define _SC_THREAD_KEYS_MAX 86
+#define _SC_THREAD_PRIO_INHERIT 87
+#define _SC_THREAD_PRIO_PROTECT 88
+#define _SC_THREAD_PRIORITY_SCHEDULING 89
+#define _SC_THREAD_PROCESS_SHARED 90
+#define _SC_THREAD_SAFE_FUNCTIONS 91
+#define _SC_THREAD_SPORADIC_SERVER 92
+#define _SC_THREAD_STACK_MIN 93
+#define _SC_THREAD_THREADS_MAX 94
+#define _SC_TIMEOUTS 95
+#define _SC_THREADS 96
+#define _SC_TRACE 97
+#define _SC_TRACE_EVENT_FILTER 98
+#define _SC_TRACE_INHERIT 99
+#define _SC_TRACE_LOG 100
+#define _SC_TTY_NAME_MAX 101
+#define _SC_TYPED_MEMORY_OBJECTS 102
+#define _SC_V6_ILP32_OFF32 103
+#define _SC_V6_ILP32_OFFBIG 104
+#define _SC_V6_LP64_OFF64 105
+#define _SC_V6_LPBIG_OFFBIG 106
+#define _SC_IPV6 118
+#define _SC_RAW_SOCKETS 119
+#define _SC_SYMLOOP_MAX 120
+#endif /* __DARWIN_C_LEVEL >= 200112L */
+
+#if __DARWIN_C_LEVEL >= 199506L /* Really XSI */
+#define _SC_ATEXIT_MAX 107
+#define _SC_IOV_MAX 56
+#define _SC_PAGE_SIZE _SC_PAGESIZE
+#define _SC_XOPEN_CRYPT 108
+#define _SC_XOPEN_ENH_I18N 109
+#define _SC_XOPEN_LEGACY 110 /* Issue 6 */
+#define _SC_XOPEN_REALTIME 111 /* Issue 6 */
+#define _SC_XOPEN_REALTIME_THREADS 112 /* Issue 6 */
+#define _SC_XOPEN_SHM 113
+#define _SC_XOPEN_STREAMS 114 /* Issue 6 */
+#define _SC_XOPEN_UNIX 115
+#define _SC_XOPEN_VERSION 116
+#define _SC_XOPEN_XCU_VERSION 121
+#endif /* XSI */
+
+#if (__DARWIN_C_LEVEL >= 199506L && __DARWIN_C_LEVEL < 200809L) || __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+/* Removed in Issue 7 */
+#define _SC_XBS5_ILP32_OFF32 122
+#define _SC_XBS5_ILP32_OFFBIG 123
+#define _SC_XBS5_LP64_OFF64 124
+#define _SC_XBS5_LPBIG_OFFBIG 125
+#endif /* __DARWIN_C_LEVEL <= 200809L */
+
+#if __DARWIN_C_LEVEL >= 200112L
+#define _SC_SS_REPL_MAX 126
+#define _SC_TRACE_EVENT_NAME_MAX 127
+#define _SC_TRACE_NAME_MAX 128
+#define _SC_TRACE_SYS_MAX 129
+#define _SC_TRACE_USER_EVENT_MAX 130