8.1. <ctype.h>#

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

• isalnum()

• isalpha()

• isblank()

• iscntrl()

• isdigit()

• isgraph()

• islower()

• isprint()

• ispunct()

• isspace()

• isupper()

• isxdigit()

• tolower()

• toupper()

8.2. <errno.h>#

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

• errno

8.3. <fcntl.h>#

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

• open()

8.4. <fenv.h>#

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

• feclearexcept()

• fegetenv()

• fegetexceptflag()

• fegetround()

• feholdexcept()

• feraiseexcept()

• fesetenv()

• fesetexceptflag()

• fesetround()

• fetestexcept()

• feupdateenv()

8.5. <inttypes.h>#

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

• imaxabs()

• imaxdiv()

• strtoimax()

• strtoumax()

8.6. <locale.h>#

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

• localeconv()

• setlocale()

8.7. <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_getstackaddr()

• 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_setstackaddr()

• 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_getprioceiling()

• pthread_mutex_init()

• pthread_mutex_lock()

• pthread_mutex_setprioceiling()

• pthread_mutex_trylock()

• pthread_mutex_unlock()

• pthread_mutexattr_destroy()

• pthread_mutexattr_getprioceiling()

• pthread_mutexattr_getprotocol()

• pthread_mutexattr_gettype()

• pthread_mutexattr_init()

• pthread_mutexattr_setprioceiling()

• pthread_mutexattr_setprotocol()

• pthread_mutexattr_settype()

• pthread_once()

• pthread_self()

• pthread_setcancelstate()

• pthread_setcanceltype()

• pthread_setconcurrency()

• pthread_setschedparam()

• pthread_setschedprio()

• pthread_setspecific()

• pthread_testcancel()

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

• pthread_atfork()

• pthread_getcpuclockid()

8.8. <sched.h>#

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

• sched_get_priority_max()

• sched_get_priority_min()

• sched_rr_get_interval()

8.9. <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()

8.10. <setjmp.h>#

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

• longjmp()

• setjmp()

8.11. <signal.h>#

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

• kill()

• pthread_kill()

• pthread_sigmask()

• raise()

• sigaction()

• sigaddset()

• sigdelset()

• sigemptyset()

• sigfillset()

• sigismember()

• signal()

• sigpending()

• sigprocmask()

• sigqueue()

• sigsuspend()

• sigtimedwait()

• sigwait()

• sigwaitinfo()

8.12. <stdarg.h>#

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

• va_arg()

• va_copy()

• va_end()

• va_start()

8.13. <stddef.h>#

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

• offsetof()

8.14. <stdio.h>#

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

• clearerr()

• fclose()

• fdopen()

• feof()

• ferror()

• fflush()

• fgetc()

• fgets()

• fileno()

• flockfile()

• fopen()

• fprintf()

• fputc()

• fputs()

• fread()

• freopen()

• fscanf()

• ftrylockfile()

• funlockfile()

• fwrite()

• getc()

• getc_unlocked()

• getchar()

• getchar_unlocked()

• gets()

• perror()

• printf()

• putc()

• putc_unlocked()

• putchar()

• putchar_unlocked()

• puts()

• scanf()

• setbuf()

• setvbuf()

• snprintf()

• sprintf()

• sscanf()

• stderr

• stdin

• stdout

• ungetc()

• vfprintf()

• vfscanf()

• vprintf()

• vscanf()

• vsnprintf()

• vsprintf()

• vsscanf()

8.15. <stdlib.h>#

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

• abort()

• abs()

• atof()

• atoi()

• atol()

• atoll()

• bsearch()

• calloc()

• div()

• free()

• getenv()

• labs()

• ldiv()

• llabs()

• lldiv()

• malloc()

• qsort()

• rand()

• rand_r()

• realloc()

• setenv()

• srand()

• strtod()

• strtof()

• strtol()

• strtold()

• strtoll()

• strtoul()

• strtoull()

• unsetenv()

8.16. <string.h>#

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

• memchr()

• memcmp()

• memcpy()

• memmove()

• memset()

• strcat()

• strchr()

• strcmp()

• strcoll()

• strcpy()

• strcspn()

• strerror()

• strerror_r()

• strlen()

• strncat()

• strncmp()

• strncpy()

• strpbrk()

• strrchr()

• strspn()

• strstr()

• strtok()

• strtok_r()

• strxfrm()

8.17. <sys/mman.h>#

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

• mlock()

• mlockall()

• mmap()

• munlock()

• munmap()

• shm_open()

• shm_unlink()

8.18. <sys/utsname.h>#

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

• uname()

8.19. <time.h>#

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

• asctime()

• asctime_r()

• clock_getres()

• clock_gettime()

• clock_nanosleep()

• clock_settime()

• ctime()

• ctime_r()

• difftime()

• gmtime()

• gmtime_r()

• localtime()

• localtime_r()

• mktime()

• nanosleep()

• strftime()

• time()

• timer_create()

• timer_delete()

• timer_getoverrun()

• timer_gettime()

• timer_settime()

• tzname

• tzset()

8.20. <unistd.h>#

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

• alarm()

• close()

• environ

• fdatasync()

• fsync()

• pause()

• read()

• sysconf()

• write()

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

• confstr()