POSIX 标准简介

更新时间:
2025-01-03

POSIX 标准简介

从 1970 第一款现代操作系统—— UNIX 诞生至今,出现了多款现代操作系统,为了保证操作系统 API 的相互兼容性制定了 POSIX 标准。

基本概念

POSIX 是 IEEE(Institue of Electrical and Electronics Engineers,电气和电子工程师学会)为了规范各种 UNIX 操作系统提供的 API 接口而定义的一系列互相关联标准的总称,其正式称呼为 IEEE1003,国际标准名称为 ISO / IEC9945。此标准源于一个大约开始于 1985 年的项目。POSIX 这个名称是由理查德 · 斯托曼应 IEEE 的要求而提议的一个易于记忆的名称。它是 Portable Operating System Interface(可移植操作系统接口)的缩写,而 X 则表明其对 Unix API 的传承。

其中 POSIX 标准对实时操作系统定义了一个称作 1003.1b 的子协议,该协议定义了标准实时操作系统的基本行为,SylixOS 符合此协议要求。

当前的 POSIX 主要分为四个部分:Base Definitions(基本功能定义)、System Interfaces(系统接口)、Shell and Utilities(shell 与相关工具)和 Rationale(基本原理)。SylixOS 兼容这四部分的大多数规范。

目前符合 POSIX 标准协议的操作系统有:UNIX、BSD、Linux、iOS、Android、SylixOS、VxWorks、RTEMS、LynxOS 等,由于 SylixOS 对 POSIX 的支持,其他兼容 POSIX 系统上的应用程序可以非常方便地移植到 SylixOS 系统上。

支持列表

IEEE Std.1003.13 是POSIX针对实时指定的规范,将其定义了四个子集。

  • PSE51:最小嵌入式子集规范
  • PSE52:工业控制器子集规范
  • PSE53:较大规模的嵌入式系统子集规范
  • PSE54:具有实时性要求的大规模通用系统子集规范

SylixOS提供了对这四个子集比较全面的支持,具体接口列表如下:

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<ctype.h>open in new windowisalnum()open in new window****
<ctype.h>open in new windowisalpha()open in new window****
<ctype.h>open in new windowisblank()open in new window****
<ctype.h>open in new windowiscntrl()open in new window****
<ctype.h>open in new windowisdigit()open in new window****
<ctype.h>open in new windowisgraph()open in new window****
<ctype.h>open in new windowislower()open in new window****
<ctype.h>open in new windowisprint()open in new window****
<ctype.h>open in new windowispunct()open in new window****
<ctype.h>open in new windowisspace()open in new window****
<ctype.h>open in new windowisupper()open in new window****
<ctype.h>open in new windowisxdigit()open in new window****
<ctype.h>open in new windowtolower()open in new window****
<ctype.h>open in new window_tolower()****
<ctype.h>open in new windowtoupper()open in new window****
<ctype.h>open in new window_toupper()****
<ctype.h>open in new windowtoascii()****
<ctype.h>open in new windowtolower_l()****
<ctype.h>open in new windowtoupper_l()****
<errno.h>open in new windowerrnoopen in new window****
<fcntl.h>open in new windowopen()open in new window****
<fcntl.h>open in new windowcreat()open in new window***
<fcntl.h>open in new windowfcntl()open in new window***
<fcntl.h>open in new windowposix_fadvise()open in new window*
<fcntl.h>open in new windowposix_fallocate()open in new window*
<fenv.h>open in new windowfeclearexcept()open in new window****
<fenv.h>open in new windowfegetenv()open in new window****
<fenv.h>open in new windowfegetexceptflag()open in new window****
<fenv.h>open in new windowfegetround()open in new window****
<fenv.h>open in new windowfeholdexcept()open in new window****
<fenv.h>open in new windowferaiseexcept()open in new window****
<fenv.h>open in new windowfesetenv()open in new window****
<fenv.h>open in new windowfesetexceptflag()open in new window****
<fenv.h>open in new windowfesetround()open in new window****
<fenv.h>open in new windowfetestexcept()open in new window****
<fenv.h>open in new windowfeupdateenv()open in new window****
<inttypes.h>open in new windowimaxabs()open in new window****
<inttypes.h>open in new windowimaxdiv()open in new window****
<inttypes.h>open in new windowstrtoimax()open in new window****
<inttypes.h>open in new windowstrtoumax()open in new window****
<inttypes.h>open in new windowwcstoimax()open in new window*
<inttypes.h>open in new windowwcstoumax()open in new window*
<locale.h>open in new windowlocaleconv()open in new window****
<locale.h>open in new windowsetlocale()open in new window****
<locale.h>open in new windownewlocale()****
<locale.h>open in new windownl_langinfo()***
<pthread.h>open in new windowpthread_attr_destroy()open in new window****
<pthread.h>open in new windowpthread_attr_getdetachstate()open in new window****
<pthread.h>open in new windowpthread_attr_getguardsize()open in new window****
<pthread.h>open in new windowpthread_attr_getinheritsched()open in new window****
<pthread.h>open in new windowpthread_attr_getschedparam()open in new window****
<pthread.h>open in new windowpthread_attr_getschedpolicy()open in new window****
<pthread.h>open in new windowpthread_attr_getscope()open in new window****
<pthread.h>open in new windowpthread_attr_getstack()open in new window****
<pthread.h>open in new windowpthread_attr_getstackaddr()open in new window****
<pthread.h>open in new windowpthread_attr_getstacksize()open in new window****
<pthread.h>open in new windowpthread_attr_init()open in new window****
<pthread.h>open in new windowpthread_attr_setdetachstate()open in new window****
<pthread.h>open in new windowpthread_attr_setguardsize()open in new window****
<pthread.h>open in new windowpthread_attr_setinheritsched()open in new window****
<pthread.h>open in new windowpthread_attr_setschedparam()open in new window****
<pthread.h>open in new windowpthread_attr_setschedpolicy()open in new window****
<pthread.h>open in new windowpthread_attr_setscope()open in new window****
<pthread.h>open in new windowpthread_attr_setstack()open in new window****
<pthread.h>open in new windowpthread_attr_setstackaddr()open in new window****
<pthread.h>open in new windowpthread_attr_setstacksize()open in new window****
<pthread.h>open in new windowpthread_cancel()open in new window****
<pthread.h>open in new windowpthread_cleanup_pop()open in new window****
<pthread.h>open in new windowpthread_cleanup_push()open in new window****
<pthread.h>open in new windowpthread_cond_broadcast()open in new window****
<pthread.h>open in new windowpthread_cond_destroy()open in new window****
<pthread.h>open in new windowpthread_cond_init()open in new window****
<pthread.h>open in new windowpthread_cond_signal()open in new window****
<pthread.h>open in new windowpthread_cond_timedwait()open in new window****
<pthread.h>open in new windowpthread_cond_wait()open in new window****
<pthread.h>open in new windowpthread_condattr_destroy()open in new window****
<pthread.h>open in new windowpthread_condattr_getclock()open in new window****
<pthread.h>open in new windowpthread_condattr_init()open in new window****
<pthread.h>open in new windowpthread_condattr_setclock()open in new window****
<pthread.h>open in new windowpthread_create()open in new window****
<pthread.h>open in new windowpthread_detach()open in new window****
<pthread.h>open in new windowpthread_equal()open in new window****
<pthread.h>open in new windowpthread_exit()open in new window****
<pthread.h>open in new windowpthread_getconcurrency()open in new window****
<pthread.h>open in new windowpthread_getspecific()open in new window****
<pthread.h>open in new windowpthread_join()open in new window****
<pthread.h>open in new windowpthread_key_create()open in new window****
<pthread.h>open in new windowpthread_key_delete()open in new window****
<pthread.h>open in new windowpthread_mutex_destroy()open in new window****
<pthread.h>open in new windowpthread_mutex_getprioceiling()open in new window****
<pthread.h>open in new windowpthread_mutex_init()open in new window****
<pthread.h>open in new windowpthread_mutex_lock()open in new window****
<pthread.h>open in new windowpthread_mutex_setprioceiling()open in new window****
<pthread.h>open in new windowpthread_mutex_trylock()open in new window****
<pthread.h>open in new windowpthread_mutex_unlock()open in new window****
<pthread.h>open in new windowpthread_mutexattr_destroy()open in new window****
<pthread.h>open in new windowpthread_mutexattr_getprioceiling()open in new window****
<pthread.h>open in new windowpthread_mutexattr_getprotocol()open in new window****
<pthread.h>open in new windowpthread_mutexattr_gettype()open in new window****
<pthread.h>open in new windowpthread_mutexattr_init()open in new window****
<pthread.h>open in new windowpthread_mutexattr_setprioceiling()open in new window****
<pthread.h>open in new windowpthread_mutexattr_setprotocol()open in new window****
<pthread.h>open in new windowpthread_mutexattr_settype()open in new window****
<pthread.h>open in new windowpthread_once()open in new window****
<pthread.h>open in new windowpthread_self()open in new window****
<pthread.h>open in new windowpthread_setcancelstate()open in new window****
<pthread.h>open in new windowpthread_setcanceltype()open in new window****
<pthread.h>open in new windowpthread_setconcurrency()open in new window****
<pthread.h>open in new windowpthread_setschedparam()open in new window****
<pthread.h>open in new windowpthread_setschedprio()open in new window****
<pthread.h>open in new windowpthread_setspecific()open in new window****
<pthread.h>open in new windowpthread_testcancel()open in new window****
<pthread.h>open in new windowpthread_atfork()open in new window****
<pthread.h>open in new windowpthread_getcpuclockid()open in new window****
<pthread.h>open in new windowpthread_barrierattr_getpshared()****
<pthread.h>open in new windowpthread_mutexattr_setrobust()****
<pthread.h>open in new windowpthread_condattr_getpshared()open in new window**
<pthread.h>open in new windowpthread_condattr_setpshared()open in new window**
<pthread.h>open in new windowpthread_mutexattr_getpshared()open in new window**
<pthread.h>open in new windowpthread_mutexattr_setpshared()open in new window**

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<sched.h>open in new windowsched_get_priority_max()open in new window****
<sched.h>open in new windowsched_get_priority_min()open in new window****
<sched.h>open in new windowsched_rr_get_interval()open in new window****
<sched.h>open in new windowsched_yield()open in new window**
<sched.h>open in new windowsched_getparam()open in new window**
<sched.h>open in new windowsched_getscheduler()open in new window**
<sched.h>open in new windowsched_setparam()open in new window**
<sched.h>open in new windowsched_setscheduler()open in new window**
<semaphore.h>open in new windowsem_close()open in new window****
<semaphore.h>open in new windowsem_destroy()open in new window****
<semaphore.h>open in new windowsem_getvalue()open in new window****
<semaphore.h>open in new windowsem_init()open in new window****
<semaphore.h>open in new windowsem_open()open in new window****
<semaphore.h>open in new windowsem_post()open in new window****
<semaphore.h>open in new windowsem_timedwait()open in new window****
<semaphore.h>open in new windowsem_trywait()open in new window****
<semaphore.h>open in new windowsem_unlink()open in new window****
<semaphore.h>open in new windowsem_wait()open in new window****
<setjmp.h>open in new windowlongjmp()open in new window****
<setjmp.h>open in new window_longjmp()****
<setjmp.h>open in new windowsetjmp()open in new window****
<setjmp.h>open in new window_setjmp()****
<setjmp.h>open in new windowsiglongjmp()open in new window**
<setjmp.h>open in new windowsigsetjmp()open in new window**
<signal.h>open in new windowkill()open in new window***
<signal.h>open in new windowpthread_kill()open in new window****
<signal.h>open in new windowpthread_sigmask()open in new window****
<signal.h>open in new windowraise()open in new window****
<signal.h>open in new windowsigaction()open in new window****
<signal.h>open in new windowsigaddset()open in new window****
<signal.h>open in new windowsigdelset()open in new window****
<signal.h>open in new windowsigemptyset()open in new window****
<signal.h>open in new windowsigfillset()open in new window****
<signal.h>open in new windowsigismember()open in new window****
<signal.h>open in new windowsignal()open in new window****
<signal.h>open in new windowsigpending()open in new window****
<signal.h>open in new windowsigprocmask()open in new window****
<signal.h>open in new windowsigqueue()open in new window****
<signal.h>open in new windowsigsuspend()open in new window****
<signal.h>open in new windowsigtimedwait()open in new window****
<signal.h>open in new windowsigwait()open in new window****
<signal.h>open in new windowsigwaitinfo()open in new window****
<signal.h>open in new windowsigset()****
<signal.h>open in new windowkillpg()****
<stdarg.h>open in new windowva_arg()open in new window****
<stdarg.h>open in new windowva_copy()open in new window****
<stdarg.h>open in new windowva_end()open in new window****
<stdarg.h>open in new windowva_start()open in new window****
<stdio.h>open in new windowclearerr()open in new window****
<stdio.h>open in new windowfclose()open in new window****
<stdio.h>open in new windowfdopen()open in new window****
<stdio.h>open in new windowfeof()open in new window****
<stdio.h>open in new windowferror()open in new window****
<stdio.h>open in new windowfflush()open in new window****
<stdio.h>open in new windowfgetc()open in new window****
<stdio.h>open in new windowfgets()open in new window****
<stdio.h>open in new windowfileno()open in new window****
<stdio.h>open in new windowflockfile()open in new window****
<stdio.h>open in new windowfopen()open in new window****
<stdio.h>open in new windowfprintf()open in new window****
<stdio.h>open in new windowfputc()open in new window****
<stdio.h>open in new windowfputs()open in new window****
<stdio.h>open in new windowfread()open in new window****
<stdio.h>open in new windowfreopen()open in new window****
<stdio.h>open in new windowfscanf()open in new window****
<stdio.h>open in new windowftrylockfile()open in new window****
<stdio.h>open in new windowfunlockfile()open in new window****
<stdio.h>open in new windowfwrite()open in new window****
<stdio.h>open in new windowgetc()open in new window****
<stdio.h>open in new windowgetc_unlocked()open in new window****
<stdio.h>open in new windowgetchar()open in new window****
<stdio.h>open in new windowgetchar_unlocked()open in new window****
<stdio.h>open in new windowgets()open in new window****
<stdio.h>open in new windowperror()open in new window****
<stdio.h>open in new windowprintf()open in new window****
<stdio.h>open in new windowputc()open in new window****
<stdio.h>open in new windowputc_unlocked()open in new window****
<stdio.h>open in new windowputchar()open in new window****
<stdio.h>open in new windowputchar_unlocked()open in new window****
<stdio.h>open in new windowputs()open in new window****
<stdio.h>open in new windowscanf()open in new window****
<stdio.h>open in new windowsetbuf()open in new window****
<stdio.h>open in new windowsetvbuf()open in new window****
<stdio.h>open in new windowsnprintf()open in new window****
<stdio.h>open in new windowsprintf()open in new window****
<stdio.h>open in new windowsscanf()open in new window****
<stdio.h>open in new windowstderropen in new window****
<stdio.h>open in new windowstdinopen in new window****
<stdio.h>open in new windowstdoutopen in new window****
<stdio.h>open in new windowungetc()open in new window****
<stdio.h>open in new windowvfprintf()open in new window****
<stdio.h>open in new windowvfscanf()open in new window****
<stdio.h>open in new windowvprintf()open in new window****
<stdio.h>open in new windowvscanf()open in new window****
<stdio.h>open in new windowvsnprintf()open in new window****
<stdio.h>open in new windowvsprintf()open in new window****
<stdio.h>open in new windowvsscanf()open in new window****
<stdio.h>open in new windowdprintf()****
<stdio.h>open in new windowgetline()****
<stdio.h>open in new windowtempnam()****
<stdio.h>open in new windowvdprintf()***
<stdio.h>open in new windowfgetpos()open in new window***
<stdio.h>open in new windowfseek()open in new window***
<stdio.h>open in new windowfseeko()open in new window***
<stdio.h>open in new windowfsetpos()open in new window***
<stdio.h>open in new windowftell()open in new window***
<stdio.h>open in new windowftello()open in new window***
<stdio.h>open in new windowremove()open in new window***
<stdio.h>open in new windowrename()open in new window***
<stdio.h>open in new windowrewind()open in new window***
<stdio.h>open in new windowtmpfile()open in new window***
<stdio.h>open in new windowtmpnam()open in new window***
<stdio.h>open in new windowctermid()open in new window*
<stdio.h>open in new windowpclose()open in new window*
<stdio.h>open in new windowpopen()open in new window*
<ndbm.h>dbm_clearerr()***
<ndbm.h>dbm_close()***
<ndbm.h>dbm_delete()***
<ndbm.h>dbm_error()***
<ndbm.h>dbm_fetch()***
<ndbm.h>dbm_firstkey()***
<ndbm.h>dbm_nextkey()***
<ndbm.h>dbm_open()***
<ndbm.h>dbm_store()***

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<stdlib.h>open in new windowabort()open in new window****
<stdlib.h>open in new windowabs()open in new window****
<stdlib.h>open in new windowatof()open in new window****
<stdlib.h>open in new windowatoi()open in new window****
<stdlib.h>open in new windowatol()open in new window****
<stdlib.h>open in new windowatoll()open in new window****
<stdlib.h>open in new windowbsearch()open in new window****
<stdlib.h>open in new windowcalloc()open in new window****
<stdlib.h>open in new windowdiv()open in new window****
<stdlib.h>open in new windowfree()open in new window****
<stdlib.h>open in new windowgetenv()open in new window****
<stdlib.h>open in new windowlabs()open in new window****
<stdlib.h>open in new windowldiv()open in new window****
<stdlib.h>open in new windowllabs()open in new window****
<stdlib.h>open in new windowlldiv()open in new window****
<stdlib.h>open in new windowmalloc()open in new window****
<stdlib.h>open in new windowmktime()open in new window****
<stdlib.h>open in new windowqsort()open in new window****
<stdlib.h>open in new windowrand()open in new window****
<stdlib.h>open in new windowrand_r()open in new window****
<stdlib.h>open in new windowrealloc()open in new window****
<stdlib.h>open in new windowsetenv()open in new window****
<stdlib.h>open in new windowsrand()open in new window****
<stdlib.h>open in new windowstrtod()open in new window****
<stdlib.h>open in new windowstrtof()open in new window****
<stdlib.h>open in new windowstrtol()open in new window****
<stdlib.h>open in new windowstrtold()open in new window****
<stdlib.h>open in new windowstrtoll()open in new window****
<stdlib.h>open in new windowstrtoul()open in new window****
<stdlib.h>open in new windowstrtoull()open in new window****
<stdlib.h>open in new windowunsetenv()open in new window****
<stdlib.h>open in new windowsrandom()***
<stdlib.h>open in new windowmkdtemp()***
<stdlib.h>open in new windowrealpath()***
<stdlib.h>open in new window_Exit()open in new window**
<stdlib.h>open in new windowatexit()open in new window**
<stdlib.h>open in new windowexit()open in new window**
<stdlib.h>open in new windowmblen()open in new window*
<stdlib.h>open in new windowmbstowcs()open in new window*
<stdlib.h>open in new windowmbtowc()open in new window*
<stdlib.h>open in new windowposix_memalign()open in new window*
<stdlib.h>open in new windowwcstombs()open in new window*
<stdlib.h>open in new windowwctomb()open in new window*
<stdlib.h>open in new windowsystem()open in new window*
<stdlib.h>open in new windowerand48()*
<stdlib.h>open in new windowjrand48()*
<stdlib.h>open in new windowlcong48()*
<stdlib.h>open in new windowmrand48()*
<stdlib.h>open in new windowseed48()*
<stdlib.h>open in new windowsrand48()*
<string.h>open in new windowmemchr()open in new window****
<string.h>open in new windowmemcmp()open in new window****
<string.h>open in new windowmemcpy()open in new window****
<string.h>open in new windowmemmove()open in new window****
<string.h>open in new windowmemset()open in new window****
<string.h>open in new windowstrcat()open in new window****
<string.h>open in new windowstrchr()open in new window****
<string.h>open in new windowstrcmp()open in new window****
<string.h>open in new windowstrcoll()open in new window****
<string.h>open in new windowstrcpy()open in new window****
<string.h>open in new windowstrcspn()open in new window****
<string.h>open in new windowstrerror()open in new window****
<string.h>open in new windowstrerror_r()open in new window****
<string.h>open in new windowstrlen()open in new window****
<string.h>open in new windowstrncat()open in new window****
<string.h>open in new windowstrncmp()open in new window****
<string.h>open in new windowstrncpy()open in new window****
<string.h>open in new windowstrpbrk()open in new window****
<string.h>open in new windowstrrchr()open in new window****
<string.h>open in new windowstrspn()open in new window****
<string.h>open in new windowstrstr()open in new window****
<string.h>open in new windowstrtok()open in new window****
<string.h>open in new windowstrtok_r()open in new window****
<string.h>open in new windowstrxfrm()open in new window****
<string.h>open in new windowstpcpy()****
<string.h>open in new windowstpncpy()****
<string.h>open in new windowstrnlen()****
<string.h>open in new windowmemccpy()***
<sys/mman.h>open in new windowmlockall()open in new window****
<sys/mman.h>open in new windowmmap()open in new window****
<sys/mman.h>open in new windowmunlock()open in new window****
<sys/mman.h>open in new windowmunmap()open in new window****
<sys/mman.h>open in new windowshm_open()open in new window****
<sys/mman.h>open in new windowshm_unlink()open in new window****
<sys/mman.h>open in new windowmsync()open in new window***
<sys/mman.h>open in new windowmprotect()open in new window**
<sys/mman.h>open in new windowposix_madvise()open in new window*
<sys/utsname.h>open in new windowuname()open in new window****

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<time.h>open in new windowasctime()open in new window****
<time.h>open in new windowasctime_r()open in new window****
<time.h>open in new windowclock_getres()open in new window****
<time.h>open in new windowclock_gettime()open in new window****
<time.h>open in new windowclock_nanosleep()open in new window****
<time.h>open in new windowclock_settime()open in new window****
<time.h>open in new windowctime()open in new window****
<time.h>open in new windowctime_r()open in new window****
<time.h>open in new windowdifftime()open in new window****
<time.h>open in new windowgmtime()open in new window****
<time.h>open in new windowgmtime_r()open in new window****
<time.h>open in new windowlocaltime()open in new window****
<time.h>open in new windowlocaltime_r()open in new window****
<time.h>open in new windownanosleep()open in new window****
<time.h>open in new windowstrftime()open in new window****
<time.h>open in new windowtime()open in new window****
<time.h>open in new windowtimer_create()open in new window****
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Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
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Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
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Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<mqueue.h>open in new windowmq_close()open in new window***
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<mqueue.h>open in new windowmq_timedreceive()open in new window***
<mqueue.h>open in new windowmq_timedsend()open in new window***
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<sys/stat.h>open in new windowfstat()open in new window***
<sys/stat.h>open in new windowmkdir()open in new window***
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<trace.h>open in new windowposix_trace_eventset_ismember()open in new window***
<trace.h>open in new windowposix_trace_eventtypelist_getnext_id()open in new window***
<trace.h>open in new windowposix_trace_eventtypelist_rewind()open in new window***
<trace.h>open in new windowposix_trace_flush()open in new window***
<trace.h>open in new windowposix_trace_get_attr()open in new window***
<trace.h>open in new windowposix_trace_get_filter()open in new window***
<trace.h>open in new windowposix_trace_get_status()open in new window***
<trace.h>open in new windowposix_trace_getnext_event()open in new window***
<trace.h>open in new windowposix_trace_open()open in new window***
<trace.h>open in new windowposix_trace_rewind()open in new window***
<trace.h>open in new windowposix_trace_set_filter()open in new window***
<trace.h>open in new windowposix_trace_shutdown()open in new window***
<trace.h>open in new windowposix_trace_start()open in new window***
<trace.h>open in new windowposix_trace_stop()open in new window***
<trace.h>open in new windowposix_trace_timedgetnext_event()open in new window***
<trace.h>open in new windowposix_trace_trid_eventid_open()open in new window***
<trace.h>open in new windowposix_trace_trygetnext_event()open in new window***
<utime.h>open in new windowutime()open in new window***
<utime.h>open in new windowfutimens()***
<utime.h>open in new windowutimes()open in new window**
<aio.h>open in new windowaio_cancel()**
<aio.h>open in new windowaio_error()open in new window**
<aio.h>open in new windowaio_fsync()open in new window**
<aio.h>open in new windowaio_read()open in new window**
<aio.h>open in new windowaio_return()open in new window**
<aio.h>open in new windowaio_write()open in new window**
<aio.h>open in new windowaio_suspend()open in new window**
<aio.h>open in new windowlio_listio()open in new window**
<arpa/inet.h>open in new windowhtonl()open in new window**
<arpa/inet.h>open in new windowhtons()open in new window**
<arpa/inet.h>open in new windowinet_addr()open in new window**
<arpa/inet.h>open in new windowinet_ntoa()open in new window**
<arpa/inet.h>open in new windowinet_ntop()open in new window**
<arpa/inet.h>open in new windowinet_pton()open in new window**
<arpa/inet.h>open in new windowntohl()open in new window**
<arpa/inet.h>open in new windowntohs()open in new window**
<assert.h>open in new windowassert()open in new window**
<net/if.h>open in new windowif_freenameindex()open in new window**
<net/if.h>open in new windowif_indextoname()open in new window**
<net/if.h>open in new windowif_nameindex()open in new window**
<net/if.h>open in new windowif_nametoindex()open in new window**
<netdb.h>open in new windowendhostent()open in new window**
<netdb.h>open in new windowendnetent()open in new window**
<netdb.h>open in new windowendprotoent()open in new window**
<netdb.h>open in new windowendservent()open in new window**
<netdb.h>open in new windowfreeaddrinfo()open in new window**
<netdb.h>open in new windowgai_strerror()open in new window**
<netdb.h>open in new windowgetaddrinfo()open in new window**
<netdb.h>open in new windowgethostent()open in new window**
<netdb.h>open in new windowgetnameinfo()open in new window**
<netdb.h>open in new windowgetnetbyaddr()open in new window**
<netdb.h>open in new windowgetnetbyname()open in new window**
<netdb.h>open in new windowgetnetent()open in new window**
<netdb.h>open in new windowgetprotobyname()open in new window**
<netdb.h>open in new windowgetprotobynumber()open in new window**
<netdb.h>open in new windowgetprotoent()open in new window**
<netdb.h>open in new windowgetservbyname()open in new window**
<netdb.h>open in new windowgetservbyport()open in new window**
<netdb.h>open in new windowgetservent()open in new window**
<netdb.h>open in new windowsethostent()open in new window**
<netdb.h>open in new windowsetnetent()open in new window**
<netdb.h>open in new windowsetprotoent()open in new window**
<netdb.h>open in new windowsetservent()open in new window**

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<spawn.h>open in new windowposix_spawn()open in new window**
<spawn.h>open in new windowposix_spawn_file_actions_addclose()open in new window**
<spawn.h>open in new windowposix_spawn_file_actions_adddup2()open in new window**
<spawn.h>open in new windowposix_spawn_file_actions_addopen()open in new window**
<spawn.h>open in new windowposix_spawn_file_actions_destroy()open in new window**
<spawn.h>open in new windowposix_spawn_file_actions_init()open in new window**
<spawn.h>open in new windowposix_spawnattr_destroy()open in new window**
<spawn.h>open in new windowposix_spawnattr_getflags()open in new window**
<spawn.h>open in new windowposix_spawnattr_getpgroup()open in new window**
<spawn.h>open in new windowposix_spawnattr_getschedparam()open in new window**
<spawn.h>open in new windowposix_spawnattr_getschedpolicy()open in new window**
<spawn.h>open in new windowposix_spawnattr_getsigdefault()open in new window**
<spawn.h>open in new windowposix_spawnattr_getsigmask()open in new window**
<spawn.h>open in new windowposix_spawnattr_init()open in new window**
<spawn.h>open in new windowposix_spawnattr_setflags()open in new window**
<spawn.h>open in new windowposix_spawnattr_setpgroup()open in new window**
<spawn.h>open in new windowposix_spawnattr_setschedparam()open in new window**
<spawn.h>open in new windowposix_spawnattr_setschedpolicy()open in new window**
<spawn.h>open in new windowposix_spawnattr_setsigdefault()open in new window**
<spawn.h>open in new windowposix_spawnattr_setsigmask()open in new window**
<spawn.h>open in new windowposix_spawnp()open in new window**
<sys/select.h>open in new windowFD_CLR()open in new window**
<sys/select.h>open in new windowFD_ISSET()open in new window**
<sys/select.h>open in new windowFD_SET()open in new window**
<sys/select.h>open in new windowFD_ZERO()open in new window**
<sys/select.h>open in new windowselect()open in new window**
<sys/select.h>open in new windowpselect()open in new window**
<sys/socket.h>open in new windowaccept()open in new window**
<sys/socket.h>open in new windowbind()open in new window**
<sys/socket.h>open in new windowconnect()open in new window**
<sys/socket.h>open in new windowgetpeername()open in new window**
<sys/socket.h>open in new windowgetsockname()open in new window**
<sys/socket.h>open in new windowgetsockopt()open in new window**
<sys/socket.h>open in new windowlisten()open in new window**
<sys/socket.h>open in new windowrecv()open in new window**
<sys/socket.h>open in new windowrecvfrom()open in new window**
<sys/socket.h>open in new windowrecvmsg()open in new window**
<sys/socket.h>open in new windowsend()open in new window**
<sys/socket.h>open in new windowsendmsg()open in new window**
<sys/socket.h>open in new windowsendto()open in new window**
<sys/socket.h>open in new windowsetsockopt()open in new window**
<sys/socket.h>open in new windowshutdown()open in new window**
<sys/socket.h>open in new windowsocket()open in new window**
<sys/socket.h>open in new windowsocketpair()open in new window**
<sys/socket.h>open in new windowsockatmark()open in new window**
<sys/times.h>times()open in new window**
<sys/wait.h>open in new windowwait()open in new window**
<sys/wait.h>open in new windowwaitid()open in new window**
<sys/wait.h>open in new windowwaitpid()open in new window**
<sys/wait.h>open in new windowwait3()**
<sys/wait.h>open in new windowwait4()**
<dlfcn.h>open in new windowdlclose()open in new window*
<dlfcn.h>open in new windowdlerror()open in new window*
<dlfcn.h>open in new windowdlopen()open in new window*
<dlfcn.h>open in new windowdlsym()open in new window*
<fnmatch.h>open in new windowfnmatch()open in new window*
<glob.h>open in new windowglob()open in new window*
<glob.h>open in new windowglobfree()open in new window*
<grp.h>open in new windowgetgrgid()open in new window*
<grp.h>open in new windowgetgrgid_r()open in new window*
<grp.h>open in new windowgetgrnam()open in new window*
<grp.h>open in new windowgetgrnam_r()open in new window*
<grp.h>open in new windowendgrent()*
<grp.h>open in new windowgetgrent()*
<grp.h>open in new windowsetgrent()*
<pwd.h>open in new windowgetpwnam()open in new window*
<pwd.h>open in new windowgetpwnam_r()open in new window*
<pwd.h>open in new windowgetpwuid()open in new window*
<pwd.h>open in new windowgetpwuid_r()open in new window*
<pwd.h>open in new windowendpwent()*
<pwd.h>open in new windowsetpwent()*
<regex.h>open in new windowregcomp()open in new window*
<regex.h>open in new windowregerror()open in new window*
<regex.h>open in new windowregexec()open in new window*
<regex.h>open in new windowregfree()open in new window*
<syslog.h>open in new windowcloselog()open in new window*
<syslog.h>open in new windowopenlog()open in new window*
<syslog.h>open in new windowsetlogmask()open in new window*
<syslog.h>open in new windowsyslog()open in new window*
<termios.h>open in new windowcfgetispeed()open in new window*
<termios.h>open in new windowcfgetospeed()open in new window*
<termios.h>open in new windowcfsetispeed()open in new window*
<termios.h>open in new windowcfsetospeed()open in new window*
<termios.h>open in new windowtcflush()open in new window*
<termios.h>open in new windowtcgetattr()open in new window*
<termios.h>open in new windowtcsendbreak()open in new window*
<termios.h>open in new windowtcsetattr()open in new window*
<termios.h>open in new windowtcdrain()open in new window*
<termios.h>open in new windowtcflow()open in new window*

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<wchar.h>open in new windowbtowc()open in new window*
<wchar.h>open in new windowfgetwc()open in new window*
<wchar.h>open in new windowfgetws()open in new window*
<wchar.h>open in new windowfputwc()open in new window*
<wchar.h>open in new windowfputws()open in new window*
<wchar.h>open in new windowfwide()open in new window*
<wchar.h>open in new windowfwprintf()open in new window*
<wchar.h>open in new windowfwscanf()open in new window*
<wchar.h>open in new windowgetwc()open in new window*
<wchar.h>open in new windowgetwchar()open in new window*
<wchar.h>open in new windowmbrlen()open in new window*
<wchar.h>open in new windowmbrtowc()open in new window*
<wchar.h>open in new windowmbsinit()open in new window*
<wchar.h>open in new windowmbsrtowcs()open in new window*
<wchar.h>open in new windowputwc()open in new window*
<wchar.h>open in new windowputwchar()open in new window*
<wchar.h>open in new windowswprintf()open in new window*
<wchar.h>open in new windowswscanf()open in new window*
<wchar.h>open in new windowungetwc()open in new window*
<wchar.h>open in new windowvfwprintf()open in new window*
<wchar.h>open in new windowvfwscanf()open in new window*
<wchar.h>open in new windowvswprintf()open in new window*
<wchar.h>open in new windowvswscanf()open in new window*
<wchar.h>open in new windowvwprintf()open in new window*
<wchar.h>open in new windowvwscanf()open in new window*
<wchar.h>open in new windowwcrtomb()open in new window*
<wchar.h>open in new windowwcscat()open in new window*
<wchar.h>open in new windowwcschr()open in new window*
<wchar.h>open in new windowwcscmp()open in new window*
<wchar.h>open in new windowwcscoll()open in new window*
<wchar.h>open in new windowwcscpy()open in new window*
<wchar.h>open in new windowwcscspn()open in new window*
<wchar.h>open in new windowwcsftime()open in new window*
<wchar.h>open in new windowwcslen()open in new window*
<wchar.h>open in new windowwcsncat()open in new window*
<wchar.h>open in new windowwcsncmp()open in new window*
<wchar.h>open in new windowwcsncpy()open in new window*
<wchar.h>open in new windowwcspbrk()open in new window*
<wchar.h>open in new windowwcsrchr()open in new window*
<wchar.h>open in new windowwcsrtombs()open in new window*
<wchar.h>open in new windowwcsspn()open in new window*
<wchar.h>open in new windowwcsstr()open in new window*
<wchar.h>open in new windowwcstod()open in new window*
<wchar.h>open in new windowwcstof()open in new window*
<wchar.h>open in new windowwcstok()open in new window*
<wchar.h>open in new windowwcstol()open in new window*
<wchar.h>open in new windowwcstold()open in new window*
<wchar.h>open in new windowwcstoll()open in new window*
<wchar.h>open in new windowwcstoul()open in new window*
<wchar.h>open in new windowwcstoull()open in new window*
<wchar.h>open in new windowwcsxfrm()open in new window*
<wchar.h>open in new windowwctob()open in new window*
<wchar.h>open in new windowwmemchr()open in new window*
<wchar.h>open in new windowwmemcmp()open in new window*
<wchar.h>open in new windowwmemcpy()open in new window*
<wchar.h>open in new windowwmemmove()open in new window*
<wchar.h>open in new windowwmemset()open in new window*
<wchar.h>open in new windowwprintf()open in new window*
<wchar.h>open in new windowwscanf()open in new window*
<wchar.h>open in new windowwcscasecmp()*
<wchar.h>open in new windowwcsncasecmp()*
<wchar.h>open in new windowwcsdup()*
<wchar.h>open in new windowwcsnlen()*
<wchar.h>open in new windowwcsnrtombs()*
<wchar.h>open in new windowwcswidth()*
<wchar.h>open in new windowwcwidth()*
<wchar.h>open in new windowtowlower()open in new window*
<wchar.h>open in new windowtowlower_l()*
<wchar.h>open in new windowtowupper()open in new window*
<wchar.h>open in new windowtowupper_l()*
<wchar.h>open in new windowwcpcpy()*
<wchar.h>open in new windowwcpncpy()*

Header FileAPIPSE51PSE52PSE53PSE54SylixOS支持情况
<wctype.h>open in new windowiswalnum()open in new window*
<wctype.h>open in new windowiswalpha()open in new window*
<wctype.h>open in new windowiswblank()open in new window*
<wctype.h>open in new windowiswcntrl()open in new window*
<wctype.h>open in new windowiswctype()open in new window*
<wctype.h>open in new windowiswdigit()open in new window*
<wctype.h>open in new windowiswgraph()open in new window*
<wctype.h>open in new windowiswlower()open in new window*
<wctype.h>open in new windowiswprint()open in new window*
<wctype.h>open in new windowiswpunct()open in new window*
<wctype.h>open in new windowiswspace()open in new window*
<wctype.h>open in new windowiswupper()open in new window*
<wctype.h>open in new windowiswxdigit()open in new window*
<wctype.h>open in new windowwctrans()open in new window*
<wctype.h>open in new windowwctype()open in new window*
<wctype.h>open in new windowtowctrans()open in new window*
<wctype.h>open in new windowtowctrans_l()*
<wordexp.h>open in new windowwordexp()open in new window*
<wordexp.h>open in new windowwordfree()open in new window*
<utmpx.h>getutxid()*
<utmpx.h>getutxline()*
<utmpx.h>pututxline()*
<sys/types.h>getrlimit()*
<sys/types.h>setpriority()*
<sys/types.h>ulimit()*
<sys/types.h>getpmsg()*
<sys/types.h>mknod()*
<iconv.h>iconv_close()*
<sys/uio.h>writev()*
<sys/uio.h>readv()*
<ftw.h>ftw()*
<ftw.h>nftw()*
<nl_types.h>catclose()*
<nl_types.h>catgets()*
<nl_types.h>catopen()*
<sys/statvfs.h>fstatvfs()*
<sys/statvfs.h>statvfs()*
<stropts.h>isastream()*
<sys/time.h>getitimer()*
<sys/time.h>setitimer()*
<search.h>lfind()**
<search.h>hcreate()**
<search.h>hdestroy()**
<search.h>hsearch()**
<search.h>insque()**
<search.h>remque()**
<search.h>tdelete()**
<search.h>tfind()**
<search.h>tsearch()**
<search.h>twalk()**
<search.h>lsearch()**
<strings.h>ffs()*
<strings.h>strcasecmp()*
<strings.h>strcasecmp_l()*
<strings.h>swab()*
<fmtmsg.h>fmtmsg()*
<monetary.h>strfmon()*
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