17.1. <arpa/inet.h>#

The following methods and variables in <arpa/inet.h> are supported:

• htonl()

• htons()

• inet_ntop()

• inet_pton()

• ntohl()

• ntohs()

17.2. <ctype.h>#

The following methods and variables in <ctype.h> are supported:

• isalnum()

• isalpha()

• iscntrl()

• isdigit()

• isgraph()

• islower()

• isprint()

• ispunct()

• isspace()

• isupper()

• isxdigit()

• tolower()

• toupper()

17.3. <devctl.h>#

The following methods and variables in <devctl.h> are supported:

• posix_devctl()

17.4. <dirent.h>#

The following methods and variables in <dirent.h> are supported:

• closedir()

• opendir()

• readdir()

• readdir_r()

• rewinddir()

17.5. <errno.h>#

The following methods and variables in <errno.h> are supported:

• errno

17.6. <fcntl.h>#

The following methods and variables in <fcntl.h> are supported:

• creat()

• fcntl()

• open()

17.7. <math.h>#

The following methods and variables in <math.h> are supported:

• acos()

• acosh()

• asin()

• asinh()

• atan()

• atan2()

• atanh()

• ceil()

• cos()

• cosh()

• exp()

• fabs()

• floor()

• fmod()

• frexp()

• isinf()

• isnan()

• ldexp()

• log()

• log10()

• modf()

• pow()

• sin()

• sinh()

• sqrt()

• tan()

• tanh()

17.8. <mqueue.h>#

The following methods and variables in <mqueue.h> are supported:

• mq_getattr()

• mq_notify()

• mq_open()

• mq_receive()

• mq_send()

• mq_setattr()

• mq_timedreceive()

• mq_timedsend()

17.9. <netdb.h>#

The following methods and variables in <netdb.h> are supported:

• freeaddrinfo()

• getaddrinfo()

• getnameinfo()

17.10. <pthread.h>#

The following methods and variables in <pthread.h> are supported:

• pthread_attr_destroy()

• pthread_attr_getdetachstate()

• pthread_attr_getguardsize()

• pthread_attr_getinheritsched()

• pthread_attr_getschedparam()

• pthread_attr_getschedpolicy()

• pthread_attr_getscope()

• pthread_attr_getstack()

• pthread_attr_getstacksize()

• pthread_attr_init()

• pthread_attr_setdetachstate()

• pthread_attr_setguardsize()

• pthread_attr_setinheritsched()

• pthread_attr_setschedparam()

• pthread_attr_setschedpolicy()

• pthread_attr_setscope()

• pthread_attr_setstack()

• pthread_attr_setstacksize()

• pthread_cancel()

• pthread_cleanup_pop()

• pthread_cleanup_push()

• pthread_cond_broadcast()

• pthread_cond_destroy()

• pthread_cond_init()

• pthread_cond_signal()

• pthread_cond_timedwait()

• pthread_cond_wait()

• pthread_condattr_destroy()

• pthread_condattr_getclock()

• pthread_condattr_init()

• pthread_condattr_setclock()

• pthread_create()

• pthread_detach()

• pthread_equal()

• pthread_exit()

• pthread_getconcurrency()

• pthread_getschedparam()

• pthread_getspecific()

• pthread_join()

• pthread_key_create()

• pthread_key_delete()

• pthread_mutex_destroy()

• pthread_mutex_init()

• pthread_mutex_lock()

• pthread_mutex_timedlock()

• pthread_mutex_trylock()

• pthread_mutex_unlock()

• pthread_mutexattr_destroy()

• pthread_mutexattr_getprioceiling()

• pthread_mutexattr_getprotocol()

• pthread_mutexattr_init()

• pthread_mutexattr_setprioceiling()

• pthread_mutexattr_setprotocol()

• pthread_once()

• pthread_self()

• pthread_setcancelstate()

• pthread_setcanceltype()

• pthread_setconcurrency()

• pthread_setschedparam()

• pthread_setschedprio()

• pthread_setspecific()

The following methods in <pthread.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

• pthread_atfork()

• pthread_getcpuclockid()

17.11. <sched.h>#

The following methods and variables in <sched.h> are supported:

• sched_get_priority_max()

• sched_get_priority_min()

• sched_rr_get_interval()

• sched_yield()

The following methods in <sched.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

• sched_getparam()

• sched_getscheduler()

• sched_setparam()

• sched_setscheduler()

17.12. <semaphore.h>#

The following methods and variables in <semaphore.h> are supported:

• sem_close()

• sem_destroy()

• sem_getvalue()

• sem_init()

• sem_open()

• sem_post()

• sem_timedwait()

• sem_trywait()

• sem_unlink()

• sem_wait()

17.13. <setjmp.h>#

The following methods and variables in <setjmp.h> are supported:

• siglongjmp()

• sigsetjmp()

17.14. <signal.h>#

The following methods and variables in <signal.h> are supported:

• kill()

• pthread_kill()

• pthread_sigmask()

• raise()

• sigaction()

• sigaddset()

• sigdelset()

• sigemptyset()

• sigfillset()

• sigismember()

• sigpending()

• sigqueue()

• sigsuspend()

• sigtimedwait()

• sigwait()

• sigwaitinfo()

17.15. <spawn.h>#

The following methods and variables in <spawn.h> are not supported:

• posix_spawn()

• posix_spawnattr_destroy()

• posix_spawnattr_getflags()

• posix_spawnattr_getsigdefault()

• posix_spawnattr_getsigmask()

• posix_spawnattr_init()

• posix_spawnattr_setflags()

• posix_spawnattr_setsigdefault()

• posix_spawnattr_setsigmask()

17.16. <stdarg.h>#

The following methods and variables in <stdarg.h> are supported:

• va_arg()

• va_end()

• va_start()

17.17. <stdio.h>#

The following methods and variables in <stdio.h> are supported:

• clearerr()

• fclose()

• feof()

• ferror()

• fflush()

• fgetc()

• fgets()

• fileno()

• flockfile()

• fopen()

• fprintf()

• fread()

• freopen()

• fseek()

• fseeko()

• ftell()

• ftello()

• ftrylockfile()

• funlockfile()

• fwrite()

• remove()

• rename()

• snprintf()

• sscanf()

• vfprintf()

• vsnprintf()

17.18. <stdlib.h>#

The following methods and variables in <stdlib.h> are supported:

• _Exit()

• abort()

• abs()

• atexit()

• atof()

• atoi()

• atol()

• bsearch()

• calloc()

• div()

• exit()

• free()

• getenv()

• labs()

• ldiv()

• malloc()

• rand_r()

• realloc()

• strtod()

• strtol()

• strtoul()

17.19. <string.h>#

The following methods and variables in <string.h> are supported:

• memchr()

• memcmp()

• memcpy()

• memmove()

• memset()

• strcat()

• strchr()

• strcmp()

• strcpy()

• strcspn()

• strerror_r()

• strlen()

• strncat()

• strncmp()

• strncpy()

• strpbrk()

• strrchr()

• strspn()

• strstr()

• strtok_r()

17.20. <sys/mman.h>#

The following methods and variables in <sys/mman.h> are supported:

• mlockall()

• mmap()

• shm_open()

17.21. <sys/select.h>#

The following methods and variables in <sys/select.h> are supported:

• FD_CLR()

• FD_ISSET()

• FD_SET()

• FD_ZERO()

• select()

17.22. <sys/socket.h>#

The following methods and variables in <sys/socket.h> are supported:

• accept()

• bind()

• connect()

• getpeername()

• getsockname()

• getsockopt()

• listen()

• recv()

• recvfrom()

• send()

• sendto()

• setsockopt()

• shutdown()

• socket()

17.23. <sys/stat.h>#

The following methods and variables in <sys/stat.h> are supported:

• chmod()

• fstat()

• lstat()

• mkdir()

• mkfifo()

• stat()

• umask()

17.24. <sys/time.h>#

The following methods and variables in <sys/time.h> are supported:

• times()

17.25. <sys/utsname.h>#

The following methods and variables in <sys/utsname.h> are supported:

• uname()

17.26. <sys/wait.h>#

The following methods and variables in <sys/wait.h> are supported:

• waitpid()

17.27. <time.h>#

The following methods and variables in <time.h> are supported:

• asctime_r()

• clock()

• clock_getres()

• clock_gettime()

• clock_settime()

• ctime_r()

• difftime()

• gmtime_r()

• localtime_r()

• mktime()

• nanosleep()

• strftime()

• time()

• timer_create()

• timer_delete()

• timer_getoverrun()

• timer_gettime()

• timer_settime()

• tzname

• tzset()

17.28. <unistd.h>#

The following methods and variables in <unistd.h> are supported:

• _exit()

• access()

• alarm()

• chdir()

• chown()

• close()

• dup2()

• environ

• fsync()

• ftruncate()

• getcwd()

• getegid()

• geteuid()

• getgid()

• getgroups()

• gethostname()

• getpgrp()

• getpid()

• getppid()

• getuid()

• link()

• lseek()

• pause()

• pipe()

• read()

• rmdir()

• setegid()

• seteuid()

• setgid()

• setuid()

• sleep()

• sysconf()

• unlink()

• write()

The following methods in <unistd.h> are implemented as stubs returning -1 and setting errno to ENOSYS:

• execl()

• execle()

• execv()

• execve()

• fork()