#ifndef ISO optional-constant _POSIX_VERSION optional-constant _POSIX2_C_VERSION optional-constant _XOPEN_VERSION optional-constant _XOPEN_XCU_VERSION optional-constant _POSIX2_C_BIND optional-constant _POSIX2_CHAR_TERM optional-constant _POSIX2_LOCALEDEF optional-constant _POSIX2_UPE optional-constant _POSIX2_VERSION optional-constant _XOPEN_XPG2 optional-constant _XOPEN_XPG3 optional-constant _XOPEN_XPG4 optional-constant _XOPEN_UNIX optional-constant _POSIX_ADVISORY_INFO optional-constant _POSIX_ASYNCHRONOUS_IO optional-constant _POSIX_BARRIERS optional-constant _POSIX_CHOWN_RESTRICTED optional-constant _POSIX_CLOCK_SELECTION optional-constant _POSIX_CPUTIME optional-constant _POSIX_NO_TRUNC optional-constant _POSIX_VDISABLE optional-constant _POSIX_SAVED_IDS optional-constant _POSIX_JOB_CONTROL optional-constant _POSIX_MONOTONIC_CLOCK optional-constant _POSIX_READER_WRITER_LOCKS optional-constant _POSIX_SHELL optional-constant _POSIX_SPAWN optional-constant _POSIX_SPIN_LOCKS optional-constant _POSIX_SPORADIC_SERVER optional-constant _POSIX_THREAD_CPUTIME optional-constant _POSIX_TYPED_MEMORY_OBJECTS optional-constant _POSIX_THREADS optional-constant _POSIX_THREAD_ATTR_STACKADDR optional-constant _POSIX_THREAD_ATTR_STACKSIZE optional-constant _POSIX_THREAD_PROCESS_SHARED optional-constant _POSIX_THREAD_SAFE_FUNCTIONS optional-constant _POSIX_THREAD_SPORADIC_SERVER optional-constant _POSIX2_C_DEV optional-constant _POSIX2_FORT_DEV optional-constant _POSIX2_FORT_RUN optional-constant _POSIX2_SW_DEV optional-constant _XOPEN_CRYPT optional-constant _XOPEN_ENH_I18N optional-constant _XOPEN_LEGACY optional-constant _XOPEN_REALTIME optional-constant _XOPEN_REALTIME_THREADS optional-constant _XOPEN_SHM optional-constant _XOPEN_STREAMS allow _XBS5_ILP32_OFF32 allow _XBS5_ILP32_OFBIG allow _XBS5_LP64_OFF64 allow _XBS5_LPBIG_OFFBIG optional-constant _POSIX_ASYNCHRONOUS_IO optional-constant _POSIX_MEMLOCK optional-constant _POSIX_MEMLOCK_RANGE optional-constant _POSIX_MESSAGE_PASSING optional-constant _POSIX_PRIORITY_SCHEDULING optional-constant _POSIX_REALTIME_SIGNALS optional-constant _POSIX_SEMAPHORES optional-constant _POSIX_SHARED_MEMORY_OBJECTS optional-constant _POSIX_SYNCHRONIZED_IO optional-constant _POSIX_TIMERS optional-constant _POSIX_TIMEOUTS optional-constant _POSIX_FSYNC optional-constant _POSIX_MAPPED_FILES optional-constant _POSIX_MEMORY_PROTECTION optional-constant _POSIX_PRIORITIZED_IO optional-constant _POSIX_THREAD_PRIORITY_SCHEDULING optional-constant _POSIX_THREAD_PRIO_INHERIT optional-constant _POSIX_THREAD_PRIO_PROTECT optional-constant _POSIX_ASYNC_IO optional-constant _POSIX_PRIO_IO optional-constant _POSIX_SYNC_IO optional-constant _POSIX2_PBS optional-constant _POSIX2_PBS_ACCOUNTING optional-constant _POSIX2_PBS_CHECKPOINT optional-constant _POSIX2_PBS_LOCATE optional-constant _POSIX2_PBS_MESSAGE optional-constant _POSIX2_PBS_TRACK constant NULL constant R_OK constant W_OK constant X_OK constant F_OK constant _CS_PATH constant _CS_XBS5_ILP32_OFF32_CFLAGS constant _CS_XBS5_ILP32_OFF32_LDFLAGS constant _CS_XBS5_ILP32_OFF32_LIBS constant _CS_XBS5_ILP32_OFF32_LINTFLAGS constant _CS_XBS5_ILP32_OFFBIG_CFLAGS constant _CS_XBS5_ILP32_OFFBIG_LDFLAGS constant _CS_XBS5_ILP32_OFFBIG_LIBS constant _CS_XBS5_ILP32_OFFBIG_LINTFLAGS constant _CS_XBS5_LP64_OFF64_CFLAGS constant _CS_XBS5_LP64_OFF64_LDFLAGS constant _CS_XBS5_LP64_OFF64_LIBS constant _CS_XBS5_LP64_OFF64_LINTFLAGS constant _CS_XBS5_LPBIG_OFFBIG_CFLAGS constant _CS_XBS5_LPBIG_OFFBIG_LDFLAGS constant _CS_XBS5_LPBIG_OFFBIG_LIBS constant _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS constant SEEK_SET constant SEEK_CUR constant SEEK_END constant _SC_2_C_BIND constant _SC_2_C_DEV constant _SC_2_C_VERSION constant _SC_2_FORT_DEV constant _SC_2_FORT_RUN constant _SC_2_LOCALEDEF constant _SC_2_PBS constant _SC_2_PBS_ACCOUNTING constant _SC_2_PBS_CHECKPOINT constant _SC_2_PBS_LOCATE constant _SC_2_PBS_MESSAGE constant _SC_2_PBS_TRACK constant _SC_2_SW_DEV constant _SC_2_UPE constant _SC_2_VERSION constant _SC_ARG_MAX constant _SC_AIO_LISTIO_MAX constant _SC_AIO_MAX constant _SC_AIO_PRIO_DELTA_MAX constant _SC_ASYNCHRONOUS_IO constant _SC_ATEXIT_MAX constant _SC_BARRIERS constant _SC_BASE constant _SC_BC_BASE_MAX constant _SC_BC_DIM_MAX constant _SC_BC_SCALE_MAX constant _SC_BC_STRING_MAX constant _SC_CHILD_MAX constant _SC_CLK_TCK constant _SC_CLOCK_SELECTION constant _SC_COLL_WEIGHTS_MAX constant _SC_DELAYTIMER_MAX constant _SC_DEVICE_IO constant _SC_DEVICE_SPECIFIC constant _SC_DEVICE_SPECIFIC_R constant _SC_EXPR_NEST_MAX constant _SC_FD_MGMT constant _SC_FIFO constant _SC_FILE_ATTRIBUTES constant _SC_FILE_LOCKING constant _SC_FILE_SYSTEM constant _SC_FSYNC constant _SC_GETGR_R_SIZE_MAX constant _SC_GETPW_R_SIZE_MAX constant _SC_IOV_MAX constant _SC_JOB_CONTROL constant _SC_LINE_MAX constant _SC_LOGIN_NAME_MAX constant _SC_MAPPED_FILES constant _SC_MEMLOCK constant _SC_MEMLOCK_RANGE constant _SC_MEMORY_PROTECTION constant _SC_MESSAGE_PASSING constant _SC_MONOTONIC_CLOCK constant _SC_MQ_OPEN_MAX constant _SC_MQ_PRIO_MAX constant _SC_NETWORKING constant _SC_NGROUPS_MAX constant _SC_OPEN_MAX constant _SC_PAGESIZE constant _SC_PAGE_SIZE constant _SC_PASS_MAX constant _SC_PIPE constant _SC_PRIORITIZED_IO constant _SC_PRIORITY_SCHEDULING constant _SC_RE_DUP_MAX constant _SC_READER_WRITER_LOCKS constant _SC_REALTIME_SIGNALS constant _SC_REGEXP constant _SC_RTSIG_MAX constant _SC_SAVED_IDS constant _SC_SEMAPHORES constant _SC_SEM_NSEMS_MAX constant _SC_SEM_VALUE_MAX constant _SC_SHARED_MEMORY_OBJECTS constant _SC_SHELL constant _SC_SIGNALS constant _SC_SIGQUEUE_MAX constant _SC_SINGLE_PROCESS constant _SC_SPIN_LOCKS constant _SC_STREAM_MAX constant _SC_SYNCHRONIZED_IO constant _SC_THREADS constant _SC_THREAD_ATTR_STACKADDR constant _SC_THREAD_ATTR_STACKSIZE constant _SC_THREAD_DESTRUCTOR_ITERATIONS constant _SC_THREAD_KEYS_MAX constant _SC_THREAD_PRIORITY_SCHEDULING constant _SC_THREAD_PRIO_INHERIT constant _SC_THREAD_PRIO_PROTECT constant _SC_THREAD_PROCESS_SHARED constant _SC_THREAD_SAFE_FUNCTIONS constant _SC_THREAD_STACK_MIN constant _SC_THREAD_THREADS_MAX constant _SC_TIMERS constant _SC_TIMER_MAX constant _SC_TTY_NAME_MAX constant _SC_TYPED_MEMORY_OBJECTS constant _SC_TZNAME_MAX constant _SC_USER_GROUPS constant _SC_USER_GROUPS_R constant _SC_VERSION constant _SC_XOPEN_VERSION constant _SC_XOPEN_CRYPT constant _SC_XOPEN_ENH_I18N constant _SC_XOPEN_SHM constant _SC_XOPEN_UNIX constant _SC_XOPEN_XCU_VERSION constant _SC_XOPEN_LEGACY constant _SC_XOPEN_REALTIME constant _SC_XOPEN_REALTIME_THREADS constant _SC_STREAMS constant _SC_XBS5_ILP32_OFF32 constant _SC_XBS5_ILP32_OFFBIG constant _SC_XBS5_LP64_OFF64 constant _SC_XBS5_LPBIG_OFFBIG constant F_LOCK constant F_ULOCK constant F_TEST constant F_TLOCK constant _PC_ASYNC_IO constant _PC_CHOWN_RESTRICTED constant _PC_FILESIZEBITS constant _PC_LINK_MAX constant _PC_MAX_CANON constant _PC_MAX_INPUT constant _PC_NAME_MAX constant _PC_NO_TRUNC constant _PC_PATH_MAX constant _PC_PIPE_BUF constant _PC_PRIO_IO constant _PC_REC_INCR_XFER_SIZE constant _PC_REC_MAX_XFER_SIZE constant _PC_REC_MIN_XFER_SIZE constant _PC_REC_XFER_ALIGN constant _PC_SYNC_IO constant _PC_VDISABLE constant STDIN_FILENO constant STDOUT_FILENO constant STDERR_FILENO type size_t type ssize_t type uid_t type gid_t type off_t type pid_t type useconds_t type intptr_t function int access (const char*, int) function {unsigned int} alarm (unsigned int) function int brk (void*) function int chdir (const char*) #if defined XPG3 || defined XPG4 || defined UNIX98 function int chroot (const char*) #endif function int chown (const char*, uid_t, gid_t) function int close (int) function size_t confstr (int, char*, size_t) function {char*} crypt (const char*, const char*) function {char*} ctermid (char*) #if defined XPG3 || defined XPG4 || defined UNIX98 function {char*} cuserid (char*) #endif function int dup (int) function int dup2 (int, int) function void encrypt (char[64], int) function int execl (const char*, const char*, ...) function int execle (const char*, const char*, ...) function int execlp (const char*, const char*, ...) function int execv (const char*, char *const[]) function int execve (const char*, char *const[], char *const[]) function int execvp (const char*, char *const[]) function void _exit (int) function int fchown (int, uid_t, gid_t) function int fchdir (int) function int fdatasync (int) function pid_t fork (void) function {long int} fpathconf (int, int) function int fsync (int) function int ftruncate (int, off_t) function {char*} getcwd (char*, size_t) function int getdtablesize (void) function gid_t getegid (void) function uid_t geteuid (void) function gid_t getgid (void) function int getgroups (int, gid_t[]) function long gethostid (void) function int gethostname (char*, size_t) function {char*} getlogin (void) function int getlogin_r (char*, size_t) function int getopt (int, char*const[], const char*) function int getpagesize (void) #if defined XPG3 || defined XPG4 || defined UNIX98 function {char*} getpass (const char*) #endif function pid_t getpgid (pid_t) function pid_t getpgrp (void) function pid_t getpid (void) function pid_t getppid (void) function pid_t getsid (pid_t) function uid_t getuid (void) function {char*} getwd (char*) function int isatty (int) function int lchown (const char*, uid_t, gid_t) function int link (const char*, const char*) function int lockf (int, int, off_t) function off_t lseek (int, off_t, int) function int nice (int) function {long int} pathconf (const char*, int) function int pause (void) function int pipe (int[2]) function ssize_t pread (int, void*, size_t, off_t) #ifndef XOPEN2K function int pthread_atfork (void(*)(void), void(*)(void), void(*)(void)) #endif function ssize_t pwrite (int, const void*, size_t, off_t) function ssize_t read (int, void*, size_t) function ssize_t readlink (const char*, char*, size_t) function int rmdir (const char*) function {void*} sbrk (intptr_t) function int setegid (gid_t) function int seteuid (uid_t) function int setgid (gid_t) function int setpgid (pid_t, pid_t) function pid_t setpgrp (void) function int setregid (gid_t, gid_t) function int setreuid (uid_t, uid_t) function pid_t setsid (void) function int setuid (uid_t) function {unsigned int} sleep (unsigned int) function void swab (const void*, void*, ssize_t) function int symlink (const char*, const char*) function void sync (void) function {long int} sysconf (int) function pid_t tcgetpgrp (int) function int tcsetpgrp (int, pid_t) function int truncate (const char*, off_t) function {char*} ttyname (int) function int ttyname_r (int, char*, size_t) function useconds_t ualarm (useconds_t, useconds_t) function int unlink (const char*) function int usleep (useconds_t) function pid_t vfork (void) function ssize_t write (int, const void*, size_t) variable {char*} optarg variable int optind variable int opterr variable int optopt allow *_t #endif