# Libc/Libm不支持接口 Huawei LiteOS的Libc/Libm接口中，有一些未支持，具体参见下表。 | 头文件 | 接口名 | |:---|:---| | aio.h | aio_cancel | | aio.h | aio_error | | aio.h | aio_fsync | | aio.h | aio_read | | aio.h | aio_return | | aio.h | aio_suspend | | aio.h | aio_write | | aio.h | lio_listio | | arpa/inet.h | inet_lnaof | | arpa/inet.h | inet_makeaddr | | arpa/inet.h | inet_netof | | arpa/inet.h | inet_network | | auxv.h | getauxval | | complex.h | cpowl | | complex.h | cprojf | | complex.h | cprojl | | complex.h | csin | | complex.h | csinf | | complex.h | csinh | | complex.h | csinhf | | complex.h | csinhl | | complex.h | csinl | | complex.h | csqrt | | complex.h | csqrtf | | complex.h | csqrtl | | complex.h | ctan | | complex.h | ctanf | | complex.h | ctanh | | complex.h | ctanhf | | complex.h | ctanhl | | complex.h | ctanl | | crypt.h | crypt | | crypt.h | crypt_r | | dirent.h | dirfd | | dirent.h | fdopendir | | dirent.h | getdents | | dirent.h | readdir_r | | dirent.h | versionsort | | dlfcn.h | dladdr | | dlfcn.h | dlerror | | dlfcn.h | dlinfo | | epoll.h | epoll_create | | epoll.h | epoll_create1 | | epoll.h | epoll_ctl | | epoll.h | epoll_pwait | | epoll.h | epoll_wait | | ether.h | ether_aton | | ether.h | ether_aton_r | | ether.h | ether_hostton | | ether.h | ether_line | | ether.h | ether_ntoa | | ether.h | ether_ntoa_r | | ether.h | ether_ntohost | | eventfd.h | eventfd | | eventfd.h | eventfd_read | | eventfd.h | eventfd_write | | fanotify.h | fanotify_init | | fanotify.h | fanotify_mark | | fcntl.h | lockf64 | | fcntl.h | openat | | fcntl.h | openat64 | | fcntl.h | posix_fadvise | | fcntl.h | posix_fadvise64 | | fcntl.h | posix_fallocate | | fcntl.h | posix_fallocate64 | | fcntl.h | readahead | | fcntl.h | splice | | fcntl.h | sync_file_range | | fcntl.h | tee | | fcntl.h | vmsplice | | file.h | flock | | fmtmsg.h | fmtmsg | | fnmatch.h | fnmatch | | fsuid.h | setfsgid | | fsuid.h | setfsuid | | ftw.h | ftw | | ftw.h | nftw | | getopt.h | getopt_long | | getopt.h | getopt_long_only | | glob.h | glob | | glob.h | globfree | | grp.h | endgrent | | grp.h | getgrent | | grp.h | getgrgid | | grp.h | getgrgid_r | | grp.h | getgrnam | | grp.h | getgrnam_r | | grp.h | getgrouplist | | grp.h | initgroups | | grp.h | setgrent | | grp.h | setgroups | | inotify.h | inotify_add_watch | | inotify.h | inotify_init | | inotify.h | inotify_init1 | | inotify.h | inotify_rm_watch | | inttypes.h | imaxabs | | inttypes.h | imaxdiv | | io.h | ioperm | | io.h | iopl | | ipc.h | ftok | | klog.h | klogctl | | libgen.h | dirname | | libintl.h | bind_textdomain_codeset | | libintl.h | bindtextdomain | | libintl.h | dcgettext | | libintl.h | dcngettext | | libintl.h | dgettext | | libintl.h | dngettext | | libintl.h | gettext | | libintl.h | ngettext | | libintl.h | textdomain | | link.h | dl_iterate_phdr | | locale.h | duplocale | | locale.h | freelocale | | locale.h | localeconv | | locale.h | newlocale | | locale.h | uselocale | | malloc.h | malloc_usable_size | | malloc.h | valloc | | membarrier.h | membarrier | | mman.h | mlock | | mman.h | mlockall | | mman.h | mmap | | mman.h | mprotect | | mman.h | msync | | mman.h | munlock | | mman.h | munlockall | | mman.h | munmap | | mman.h | posix_madvise | | mman.h | shm_open | | mman.h | shm_unlink | | mntent.h | addmntent | | mntent.h | endmntent | | mntent.h | getmntent | | mntent.h | getmntent_r | | mntent.h | hasmntopt | | mntent.h | setmntent | | monetary.h | strfmon | | monetary.h | strfmon_l | | mount.h | umount2 | | msg.h | msgctl | | msg.h | msgget | | msg.h | msgrcv | | msg.h | msgsnd | | nameser.h | ns_get16 | | nameser.h | ns_get32 | | nameser.h | ns_initparse | | nameser.h | ns_name_uncompress | | nameser.h | ns_parserr | | nameser.h | ns_put16 | | nameser.h | ns_put32 | | nameser.h | ns_skiprr | | netdb.h | endhostent | | netdb.h | endnetent | | netdb.h | endprotoent | | netdb.h | endservent | | netdb.h | gai_strerror | | netdb.h | gethostbyaddr | | netdb.h | gethostbyaddr_r | | netdb.h | gethostbyname2 | | netdb.h | gethostbyname2_r | | netdb.h | gethostent | | netdb.h | getnetbyaddr | | netdb.h | getnetbyname | | netdb.h | getnetent | | netdb.h | getprotobyname | | netdb.h | getprotobynumber | | netdb.h | getprotoent | | netdb.h | getservbyname | | netdb.h | getservbyname_r | | netdb.h | getservbyport | | netdb.h | getservbyport_r | | netdb.h | getservent | | netdb.h | herror | | netdb.h | hstrerror | | netdb.h | sethostent | | netdb.h | setnetent | | netdb.h | setprotoent | | netdb.h | setservent | | personality.h | personality | | ptrace.h | ptrace | | pty.h | forkpty | | pty.h | openpty | | pwd.h | endpwent | | pwd.h | getpwent | | pwd.h | getpwnam | | pwd.h | getpwnam_r | | pwd.h | getpwuid | | pwd.h | getpwuid_r | | pwd.h | setpwent | | quota.h | quotactl | | random.h | getrandom | | regex.h | regcomp | | regex.h | regerror | | regex.h | regexec | | regex.h | regfree | | resolv.h | dn_expand | | resolv.h | dn_skipname | | resolv.h | res_init | | resolv.h | res_mkquery | | resolv.h | res_query | | resolv.h | res_querydomain | | resolv.h | res_search | | resolv.h | res_send | | resource.h | getpriority | | resource.h | getrlimit | | resource.h | getrusage | | resource.h | setpriority | | resource.h | setrlimit | | search.h | hcreate | | search.h | hdestroy | | search.h | hsearch | | search.h | insque | | search.h | lfind | | search.h | lsearch | | search.h | remque | | search.h | tdelete | | search.h | tfind | | search.h | tsearch | | search.h | twalk | | select.h | pselect | | sendfile.h | sendfile | | setjmp.h | siglongjmp | | setjmp.h | sigsetjmp | | shadow.h | endspent | | shadow.h | fgetspent | | shadow.h | getspent | | shadow.h | getspnam | | shadow.h | getspnam_r | | shadow.h | lckpwdf | | shadow.h | putspent | | shadow.h | setspent | | shadow.h | sgetspent | | shadow.h | ulckpwdf | | shm.h | shmat | | shm.h | shmctl | | shm.h | shmdt | | shm.h | shmget | | spawn.h | posix_spawn | | spawn.h | posix_spawn_file_actions_addchdir_np | | spawn.h | posix_spawn_file_actions_addclose | | spawn.h | posix_spawn_file_actions_adddup2 | | spawn.h | posix_spawn_file_actions_addfchdir_np | | spawn.h | posix_spawn_file_actions_addopen | | spawn.h | posix_spawn_file_actions_destroy | | spawn.h | posix_spawn_file_actions_init | | spawn.h | posix_spawnattr_destroy | | spawn.h | posix_spawnattr_getflags | | spawn.h | posix_spawnattr_getpgroup | | spawn.h | posix_spawnattr_getschedparam | | spawn.h | posix_spawnattr_getschedpolicy | | spawn.h | posix_spawnattr_getsigdefault | | spawn.h | posix_spawnattr_getsigmask | | spawn.h | posix_spawnattr_init | | spawn.h | posix_spawnattr_setflags | | spawn.h | posix_spawnattr_setpgroup | | spawn.h | posix_spawnattr_setschedparam | | spawn.h | posix_spawnattr_setschedpolicy | | spawn.h | posix_spawnattr_setsigdefault | | spawn.h | posix_spawnattr_setsigmask | | spawn.h | posix_spawnp | | stat.h | chmod | | stat.h | fchmod | | stat.h | fchmodat | | stat.h | fstatat | | stat.h | futimens | | stat.h | mkdirat | | stat.h | mkfifo | | stat.h | mkfifoat | | stat.h | umask | | stat.h | utimensat | | statfs.h | fstatfs | | statvfs.h | fstatvfs | | statvfs.h | statvfs | | stdio.h | cuserid | | stdio.h | fgetc_unlocked | | stdio.h | fgetln | | stdio.h | flockfile | | stdio.h | fmemopen | | stdio.h | fputc_unlocked | | stdio.h | ftrylockfile | | stdio.h | funlockfile | | stdio.h | getchar_unlocked | | stdio.h | getdelim | | stdio.h | getline | | stdio.h | getw | | stdio.h | open_memstream | | stdio.h | pclose | | stdio.h | popen | | stdio.h | putchar_unlocked | | stdio.h | renameat | | stdio.h | setlinebuf | | stdio.h | tempnam | | stdio.h | tmpfile | | stdio.h | vdprintf | | stdlib.h | a64l | | stdlib.h | aligned_alloc | | stdlib.h | at_quick_exit | | stdlib.h | atexit | | stdlib.h | div | | stdlib.h | drand48 | | stdlib.h | erand48 | | stdlib.h | exit | | stdlib.h | getenv | | stdlib.h | getloadavg | | stdlib.h | getsubopt | | stdlib.h | grantpt | | stdlib.h | jrand48 | | stdlib.h | l64a | | stdlib.h | lcong48 | | stdlib.h | ldiv | | stdlib.h | lldiv | | stdlib.h | mkdtemp | | stdlib.h | mkostemp | | stdlib.h | mktemp | | stdlib.h | mrand48 | | stdlib.h | posix_openpt | | stdlib.h | ptsname | | stdlib.h | putenv | | stdlib.h | quick_exit | | stdlib.h | rand_r | | stdlib.h | realpath | | stdlib.h | setenv | | stdlib.h | setkey | | stdlib.h | system | | stdlib.h | unlockpt | | stdlib.h | unsetenv | | stdlib.h | wcstombs | | string.h | memccpy | | string.h | strlcat | | string.h | strndup | | string.h | strsignal | | strings.h | ffs | | strings.h | index | | strings.h | rindex | | stropts.h | isastream | | swap.h | swapoff | | swap.h | swapon | | sys/socket.h | accept4 | | sys/socket.h | recvmsg | | sys/socket.h | sockatmark | | sys/socket.h | socketpair | | sysinfo.h | get_avphys_pages | | sysinfo.h | get_nprocs | | sysinfo.h | get_nprocs_conf | | sysinfo.h | get_phys_pages | | sysinfo.h | sysinfo | | syslog.h | closelog | | syslog.h | openlog | | syslog.h | setlogmask | | syslog.h | vsyslog | | termios.h | tcdrain | | termios.h | tcflow | | termios.h | tcflush | | termios.h | tcgetattr | | termios.h | tcgetsid | | termios.h | tcsendbreak | | termios.h | tcsetattr | | threads.h | mtx_destroy | | threads.h | mtx_init | | threads.h | mtx_lock | | threads.h | mtx_timedlock | | threads.h | mtx_trylock | | threads.h | mtx_unlock | | threads.h | thrd_create | | threads.h | thrd_current | | threads.h | thrd_detach | | threads.h | thrd_equal | | threads.h | thrd_exit | | threads.h | thrd_join | | threads.h | thrd_sleep | | threads.h | thrd_yield | | threads.h | tss_create | | threads.h | tss_delete | | threads.h | tss_set | | time.h | getdate | | time.h | getitimer | | time.h | setitimer | | time.h | time | | time.h | timegm | | time.h | timespec_get | | time.h | utimes | | time64.h | timegm64 | | time64.h | timelocal64 | | time64.h | timegm64 | | time64.h | timelocal64 | | timeb.h | ftime | | timerfd.h | timerfd_create | | timerfd.h | timerfd_gettime | | timerfd.h | timerfd_settime | | timex.h | adjtimex | | uchar.h | mbrtoc16 | | ucontext.h | getcontext | | ucontext.h | makecontext | | ucontext.h | setcontext | | ucontext.h | swapcontext | | uio.h | preadv | | uio.h | process_vm_readv | | uio.h | process_vm_writev | | uio.h | pwritev | | ulimit.h | ulimit | | unistd.h | acct | | unistd.h | alarm | | unistd.h | brk | | unistd.h | chroot | | unistd.h | ctermid | | unistd.h | daemon | | unistd.h | dup3 | | unistd.h | encrypt | | unistd.h | endusershell | | unistd.h | execl | | unistd.h | execle | | unistd.h | execlp | | unistd.h | execv | | unistd.h | execve | | unistd.h | execvp | | unistd.h | execvpe | | unistd.h | faccessat | | unistd.h | fchdir | | unistd.h | fchown | | unistd.h | fchownat | | unistd.h | fdatasync | | unistd.h | fexecve | | unistd.h | fork | | unistd.h | fpathconf | | unistd.h | getdomainname | | unistd.h | getdtablesize | | unistd.h | getegid | | unistd.h | geteuid | | unistd.h | getgid | | unistd.h | getgroups | | unistd.h | gethostid | | unistd.h | gethostname | | unistd.h | getlogin | | unistd.h | getlogin_r | | unistd.h | getpass | | unistd.h | getpgid | | unistd.h | getpgrp | | unistd.h | getppid | | unistd.h | getsid | | unistd.h | getuid | | unistd.h | getusershell | | unistd.h | issetugid | | unistd.h | lchown | | unistd.h | link | | unistd.h | linkat | | unistd.h | lockf | | unistd.h | nice | | unistd.h | pathconf | | unistd.h | pause | | unistd.h | pipe | | unistd.h | pipe2 | | unistd.h | posix_close | | unistd.h | readlink | | unistd.h | readlinkat | | unistd.h | sbrk | | unistd.h | setdomainname | | unistd.h | setegid | | unistd.h | seteuid | | unistd.h | setgid | | unistd.h | sethostname | | unistd.h | setpgid | | unistd.h | setpgrp | | unistd.h | setregid | | unistd.h | setreuid | | unistd.h | setsid | | unistd.h | setuid | | unistd.h | setusershell | | unistd.h | swab | | unistd.h | symlink | | unistd.h | symlinkat | | unistd.h | syscall | | unistd.h | tcgetpgrp | | unistd.h | tcsetpgrp | | unistd.h | truncate | | unistd.h | ttyname | | unistd.h | ttyname_r | | unistd.h | ualarm | | unistd.h | unlinkat | | unistd.h | vfork | | unistd.h | vhangup | | utmp.h | endutent | | utmp.h | getutent | | utmp.h | getutid | | utmp.h | getutline | | utmp.h | login_tty | | utmp.h | pututline | | utmp.h | setutent | | utmp.h | updwtmp | | utmp.h | utmpname | | utmpx.h | endutxent | | utmpx.h | getutxent | | utmpx.h | getutxid | | utmpx.h | getutxline | | utmpx.h | pututxline | | utmpx.h | setutxent | | utmpx.h | updwtmpx | | utmpx.h | utmpxname | | wait.h | wait | | wait.h | waitpid | | wchar.h | fgetws | | wchar.h | fgetws_unlocked | | wchar.h | fputws | | wchar.h | fputws_unlocked | | wchar.h | fwprintf | | wchar.h | fwscanf | | wchar.h | getwchar | | wchar.h | getwchar_unlocked | | wchar.h | open_wmemstream | | wchar.h | putwchar | | wchar.h | putwchar_unlocked | | wchar.h | swscanf | | wchar.h | vswscanf | | wchar.h | vwprintf | | wchar.h | vwscanf | | wchar.h | wcpcpy | | wchar.h | wcpncpy | | wchar.h | wcscasecmp | | wchar.h | wcscasecmp_l | | wchar.h | wcscat | | wchar.h | wcscpy | | wchar.h | wcscspn | | wchar.h | wcsdup | | wchar.h | wcsncasecmp | | wchar.h | wcsncasecmp_l | | wchar.h | wcsncat | | wchar.h | wcspbrk | | wchar.h | wcsrchr | | wchar.h | wcsspn | | wchar.h | wcstod | | wchar.h | wcstof | | wchar.h | wcstok | | wchar.h | wcstold | | wchar.h | wcswcs | | wchar.h | wcswidth | | wchar.h | wcwidth | | wchar.h | wprintf | | wchar.h | wscanf | | wctype.h | towctrans | | wctype.h | towctrans_l | | wctype.h | wctrans | | wctype.h | wctrans_l | | wordexp.h | wordexp | | wordexp.h | wordfree | | xattr.h | fgetxattr | | xattr.h | flistxattr | | xattr.h | fremovexattr | | xattr.h | fsetxattr | | xattr.h | getxattr | | xattr.h | lgetxattr | | xattr.h | listxattr | | xattr.h | llistxattr | | xattr.h | lremovexattr | | xattr.h | lsetxattr | | xattr.h | removexattr | | xattr.h | setxattr | ![](https://support.huaweicloud.com/lib-LiteOS/public_sys-resources/notice_3.0-zh-cn.png) 自Huawei LiteOS V200R005C00版本起不再支持stdlib.h头文件中提供的atexit()。