| accept | access | adjtime | 
| bind | chdir | chflags | 
| chmod | chown | chroot | 
| close | connect | dup | 
| dup2 | fchdir | fchflags | 
| fchmod | fchown | fcntl | 
| flock | fpathconf | fstat | 
| fstatfs | fsync | ftruncate | 
| getdirentries | getdomainname | getegid | 
| geteuid | getfh | getfsstat | 
| getgid | gethostname | getpeername | 
| getpgid | getpgrp | getpid | 
| getppid | getrlimit | getsid | 
| getsockname | getsockopt | gettimeofday | 
| getuid | hostname | ioctl | 
| issetugid | kill | link | 
| listen | lseek | lstat | 
| mkdir | mkfifo | mknod | 
| mmap | mount | mq_close | 
| mq_getattr | mq_open | mq_receive | 
| mq_send | mq_setattr | mq_unlink | 
| munmap | nfssvc | nvramapi | 
| open | pathconf | pipe | 
| poll | posix_spawn | posix_spawnp | 
| read | readlink | readv | 
| recv | recvfrom | recvmsg | 
| rename | rmdir | select | 
| send | sendmsg | sendto | 
| setdomainname | setegid | seteuid | 
| setgid | sethostname | setpgid | 
| setpgrp | setrlimit | setsid | 
| setsockopt | settimeofday | setuid | 
| shm_open | shm_unlink | shutdown | 
| sigaction | sigpending | sigprocmask | 
| sigqueue | sigsuspend | sigtimedwait | 
| sigwait | sigwaitinfo | socket | 
| socketpair | stat | statfs | 
| swapon | symlink | sync | 
| truncate | umask | unlink | 
| unmount | utimes | wait | 
| write | writev | 
 | 
| ftpdGetCnx | ftpdHandleCnx | ftpdOob | 
| ftpdStartSrv | lreply | perror_reply | 
| reply | systemAsciiOff | systemBeany | 
| systemBesuper | systemBeuser | systemChdir | 
| systemCommand | systemDelete | systemFileSize | 
| systemGunique | systemListFiles | systemLog | 
| systemLogwtmp | systemMkdir | systemPass | 
| systemReceiveAscii | systemReceiveBin | systemRename | 
| systemRmdir | systemSendAscii | systemSendBin | 
| systemSetThreadTitle | systemSleep | systemUser | 
| systemVlog | 
| acos | acosh | asin | 
| asinh | atan | atan2 | 
| atanh | cabs | cbrt | 
| ceil | copysign | cos | 
| cosh | drem | erf | 
| erfc | exp | expm1 | 
| finite | floor | fmod | 
| gamma | hypot | ieee | 
| infnan | j0 | j1 | 
| jn | lgamma | log | 
| log10 | log1p | logb | 
| pow | rint | scalb | 
| sin | sinh | sqrt | 
| tan | tanh | y0 | 
| y1 | yn | 
 | 
| Clocks and Timers | 
 | 
 | 
|---|---|---|
| clock_gettime | clock_settime | clock_getres | 
| timer_create | timer_delete | timer_getoverrun | 
| timer_gettime | timer_settime | nanosleep | 
| Threads | 
 | 
|---|---|
| pthread_attr_destroy | pthread_attr_getdetachstate | 
| pthread_attr_getinheritsched | pthread_attr_getschedparam | 
| pthread_attr_getschedpolicy | pthread_attr_getscope | 
| pthread_attr_getstackaddr | pthread_attr_getstacksize | 
| pthread_attr_init | pthread_attr_setdetachstate | 
| pthread_attr_setinheritsched | pthread_attr_setschedparam | 
| pthread_attr_setschedpolicy | pthread_attr_setscope | 
| pthread_attr_setstackaddr | pthread_attr_setstacksize | 
| pthread_cond_broadcast | pthread_cond_destroy | 
| pthread_cond_init | pthread_cond_signal | 
| pthread_cond_timedwait | pthread_cond_wait | 
| pthread_condattr_destroy | pthread_condattr_init | 
| pthread_create | pthread_equal | 
| pthread_exit | pthread_getschedparam | 
| pthread_getspecific | pthread_join | 
| pthread_key_create | pthread_key_delete | 
| pthread_kill | pthread_mutex_destroy | 
| pthread_mutex_init | pthread_mutex_lock | 
| pthread_mutex_trylock | pthread_mutex_unlock | 
| pthread_mutexattr_destroy | pthread_mutexattr_init | 
| pthread_self | pthread_setschedparam | 
| pthread_setspecific | pthread_yield | 
| pthread_once | 
| Baud RateFunctions | 
 | 
|---|---|
| cfgetispeed | cfgetospeed | 
| cfmakeraw | cfsetispeed | 
| cfsetospeed | cfsetspeed | 
| Terminal Interface Control | 
 | 
|---|---|
| tcgetattr | tcsetattr | 
| Execution Scheduling | 
 | 
|---|---|
| sched_get_priority_max | sched_get_priority_min | 
| sched_rr_get_interval | sched_yield | 
| Synchronization | 
 | 
|---|---|
| sem_destroy | sem_getvalue | 
| sem_init | sem_post | 
| sem_trywait | sem_wait | 
| Other POSIX Library Functions | 
 | 
|---|---|
| err | closedir | 
| directory | getcwd | 
| getwd | opendir | 
| readdir | rewinddir | 
| seekdir | sysconf | 
| sysctl | sysctlbyname | 
| telldir | 
 | 
| Other | 
 | 
|---|---|
| btree | cancellation | 
| dbopen | endnetent | 
| endnetgrent | endprotoent | 
| endservent | getdiskbyname | 
| getmntinfo | getnetbyaddr | 
| getnetbyname | getnetent | 
| getnetgrent | getprotobyname | 
| getprotobynumber | getprotoent | 
| getservbyname | getservbyport | 
| getservent | glob | 
| globfree | hash | 
| innetgr | link_addr | 
| link_ntoa | mpool | 
| ns_addr | ns_ntoa | 
| 
 | recno | 
| setnetent | setnetgrent | 
| setprotoent | setservent | 
| verr | verrx | 
| vwarn | vwarnx | 
| warn | warnx | 
| auth_destroy | authnone_create | 
| authsys_create | authsys_create_default | 
| clnt_call | clnt_control | 
| clnt_create | clnt_create_timed | 
| clnt_create_vers | clnt_create_vers_timed | 
| clnt_destroy | clnt_dg_create | 
| clnt_freeres | clnt_geterr | 
| clnt_pcreateerror | clnt_perrno | 
| clnt_perror | clnt_raw_create | 
| clnt_send | clnt_spcreateerror | 
| clnt_sperrno | clnt_sperror | 
| clnt_tli_create | clnt_tp_create | 
| clnt_tp_create_timed | clnt_vc_create | 
| endnetpath | endrpcent | 
| getnetpath | getrpcbyname | 
| getrpcbynumber | getrpcent | 
| getrpcport | rpc | 
| rpc_broadcast | rpc_broadcast_exp | 
| rpc_call | rpc_clnt_auth | 
| rpc_clnt_calls | rpc_clnt_create | 
| rpc_control | rpc_createerr | 
| rpc_reg | rpc_svc_calls | 
| rpc_svc_create | rpc_svc_err | 
| rpc_svc_reg | rpc_xdr | 
| rpcb_getaddr | rpcb_getmaps | 
| rpcb_gettime | rpcb_rmtcall | 
| rpcb_set | rpcb_unset | 
| rpcbind | setnetpath | 
| setrpcent | svc_add_input | 
| svc_auth_reg | svc_control | 
| svc_create | svc_destroy | 
| svc_dg_create | svc_dg_enablecache | 
| svc_done | svc_exit | 
| svc_fd_create | svc_fdset | 
| svc_freeargs | svc_getargs | 
| svc_getreq_common | svc_getreq_poll | 
| svc_getreqset | svc_getrpccaller | 
| svc_max_pollfd | svc_pollfd | 
| svc_raw_create | svc_reg | 
| svc_run | svc_sendreply | 
| svc_tli_create | svc_tp_create | 
| svc_unreg | svc_vc_create | 
| svcerr_auth | svcerr_decode | 
| svcerr_noproc | svcerr_noprog | 
| svcerr_progvers | svcerr_systemerr | 
| svcerr_weakauth | xdr | 
| xdr_accepted_reply | xdr_admin | 
| xdr_array | xdr_authsys_parms | 
| xdr_bool | xdr_bytes | 
| xdr_callhdr | xdr_callmsg | 
| xdr_char | xdr_complex | 
| xdr_control | xdr_create | 
| xdr_destroy | xdr_double | 
| xdr_enum | xdr_float | 
| xdr_free | xdr_getpos | 
| xdr_hyper | xdr_inline | 
| xdr_int | xdr_long | 
| xdr_longlong_t | xdr_opaque | 
| xdr_opaque_auth | xdr_pointer | 
| xdr_quadruple | xdr_reference | 
| xdr_rejected_reply | xdr_replymsg | 
| xdr_setpos | xdr_short | 
| xdr_simple | xdr_sizeof | 
| xdr_string | xdr_u_char | 
| xdr_u_hyper | xdr_u_int | 
| xdr_u_long | xdr_u_longlong_t | 
| xdr_u_short | xdr_union | 
| xdr_vector | xdr_void | 
| xdr_wrapstring | xdrmem_create | 
| xdrrec_create | xdrrec_endofrecord | 
| xdrrec_eof | xdrrec_readbytes | 
| xdrrec_skiprecord | xdrstdio_create | 
| xprt_register | xprt_unregister | 
These services are available to applications using the POSIX subsystem.
| _assert | _ldexp | _stdc_assert | 
| abort | abs | addr2ascii | 
| alarm | alphasort | ascii2addr | 
| asctime | asctime_r | assert | 
| atexit | atof | atoi | 
| atol | bcmp | bcopy | 
| bsearch | bstring | byteorder | 
| bzero | calloc | cgetcap | 
| cgetclose | cgetent | cgetfirst | 
| cgetmatch | cgetnext | cgetnum | 
| cgetset | cgetstr | cgetustr | 
| clearerr | closelog | crypt | 
| ctime | ctime_r | ctype | 
| difftime | div | dn_comp | 
| dn_expand | endgrent | endhostent | 
| endnetconfig | endpwent | errno | 
| ether_aton | ether_hostton | ether_line | 
| ether_ntoa | ether_ntohost | ethers | 
| exit | fabs | fclose | 
| fdopen | feof | ferror | 
| fflagstostr | fflush | ffs | 
| fgetc | fgetpos | fgets | 
| fileno | flockfile | fopen | 
| fprintf | fputc | fputs | 
| fread | free | freenetconfigent | 
| freopen | fscanf | fseek | 
| fsetpos | ftell | ftrylockfile | 
| funlockfile | fwrite | gai_unlocked | 
| getaddrinfo | getbsize | getc | 
| getc_unlocked | getchar | getchar_unlocked | 
| getenv | getgrent | getgrid | 
| getgrnam | gethostbyaddr | gethostbyname | 
| gethostbyname2 | gethostent | getnetconfig | 
| getnetconfigent | getopt | getpwent | 
| getpwname | getpwuid | gets | 
| getsitebyaddr | getsitebyname | getsubopt | 
| getw | gmtime | gmtime_r | 
| herror | htonl | htons | 
| if_freenameindex | if_indextoname | if_nameindex | 
| if_nametoindex | index | inet | 
| inet6_option_alloc | inet6_option_append | inet6_option_find | 
| inet6_option_init | inet6_option_next | inet6_option_space | 
| inet6_rthdr_add | inet6_rthdr_getaddr | inet6_rthdr_getflags | 
| inet6_rthdr_init | inet6_rthdr_lasthop | inet6_rthdr_reverse | 
| inet6_rthdr_segments | inet6_rthdr_space | inet_addr | 
| inet_aton | inet_lnaof | inet_makeaddr | 
| inet_netof | inet_network | inet_ntoa | 
| inet_ntop | inet_pton | initstate | 
| isalnum | isalpha | isascii | 
| isatty | iscntrl | isdigit | 
| isgraph | isinf | islower | 
| isnan | isprint | ispunct | 
| isspace | isupper | isxdigit | 
| killpg | labs | ldexp | 
| ldiv | localtime | localtime_r | 
| longjmp | malloc | memccpy | 
| memchr | memcmp | memcpy | 
| memmove | memory | memset | 
| mkstemp | mktemp | mktime | 
| modf | nc_perror | nc_sperror | 
| netdir | netdir_free | netdir_getbyaddr | 
| netdir_getbyname | netdir_mergeaddr | netdir_options | 
| netdir_perror | netdir_sperror | ntohl | 
| ntohs | openlog | pause | 
| pclose | perror | popen | 
| printerr | printf | putc | 
| putc_unlocked | putchar | putchar_unlocked | 
| putenv | puts | putw | 
| qsort | rand | rand_r | 
| random | realloc | realpath | 
| regcomp | regerror | regex | 
| regexec | regfree | remove | 
| res_init | res_mquery | res_query | 
| res_search | res_send | resolver | 
| rewind | rindex | scandir | 
| scanf | setbuf | setenv | 
| setgrent | setgroupent | sethostent | 
| setjmp | setlogmask | setnetconfig | 
| setpassent | setpwent | setstate | 
| setvbuf | snprintf | sprintf | 
| srand | srandom | sscanf | 
| stdarg | strcasecmp | strcat | 
| strchr | strcmp | strcoll | 
| strcpy | strcspn | strdup | 
| strerror | strftime | string | 
| strlen | strncasecmp | strncat | 
| strncmp | strncpy | strpbrk | 
| strrchr | strsep | strspn | 
| strstr | strtod | strtofflags | 
| strtok | strtok_r | strtol | 
| strtoul | strxfrm | swab | 
| sys_errlist | sys_nerr | syslog | 
| taddr2uaddr | tempnam | thread_once | 
| time | tmpfile | tmpnam | 
| toascii | tolower | toupper | 
| tzset | uaddr2taddr | ungetc | 
| unlocked | unsetenv | vfprintf | 
| vprintf | vsnprintf | vsprintf | 
| vsyslog | 
 | 
 | 
| inetAccept | inetBind | inetClient | 
| inetClose | telnetdFlush | telnetdFree | 
| telnetdGetTermState | telnetdInit | telnetdPasswd | 
| telnetdRead | telnetdReadLine | telnetdSetTermState | 
| telnetdUser | telnetdWrite |