man3c - Standard C Library Functions

__fbufsize(3c): __fbufsize, __flbf, __fpending, __fpurge, __freadable, __freading, __fsetlocking, __fwritable, __fwriting, _flushlbf - interfaces to stdio FILE structure
_longjmp(3c): _longjmp, _setjmp - non-local goto
_stack_grow(3c): _stack_grow - express an intention to extend the stack
a64l(3c): a64l, l64a - convert between long integer and base-64 ASCII string
abort(3c): abort - terminate the process abnormally
abs(3c): abs, labs, llabs - return absolute value of integer
addsev(3c): addsev - define additional severities
addseverity(3c): addseverity - build a list of severity levels for an application for use with fmtmsg
aio_cancel(3c): aio_cancel - cancel asynchronous I/O request
aio_error(3c): aio_error - retrieve errors status for an asynchronous I/O operation
aio_fsync(3c): aio_fsync - asynchronous file synchronization
aio_read(3c): aio_read - asynchronous read from a file
aio_return(3c): aio_return - retrieve return status of an asynchronous I/O operation
aio_suspend(3c): aio_suspend - wait for asynchronous I/O request
aio_waitn(3c): aio_waitn - wait for completion of asynchronous I/O operations
aio_write(3c): aio_write - asynchronous write to a file
aiocancel(3c): aiocancel - cancel an asynchronous operation
aioread(3c): aioread, aiowrite - read or write asynchronous I/O operations
aiowait(3c): aiowait - wait for completion of asynchronous I/O operation
aligned_alloc(3c): aligned_alloc — aligned memory allocation
arc4random(3c): arc4random, arc4random_buf, arc4random_uniform — random number generator
assert(3c): assert - verify program assertion
atexit(3c): atexit - register a function to run at process termination or object unloading
atomic_add(3c): atomic_add, atomic_add_8, atomic_add_char, atomic_add_16, atomic_add_short, atomic_add_32, atomic_add_int, atomic_add_long, atomic_add_64, atomic_add_ptr, atomic_add_8_nv, atomic_add_char_nv, atomic_add_16_nv, atomic_add_short_nv, atomic_add_32_nv, atomic_add_int_nv, atomic_add_long_nv, atomic_add_64_nv, atomic_add_ptr_nv - atomic add operations
atomic_and(3c): atomic_and, atomic_and_8, atomic_and_uchar, atomic_and_16, atomic_and_ushort, atomic_and_32, atomic_and_uint, atomic_and_ulong, atomic_and_64, atomic_and_8_nv, atomic_and_uchar_nv, atomic_and_16_nv, atomic_and_ushort_nv, atomic_and_32_nv, atomic_and_uint_nv, atomic_and_ulong_nv, atomic_and_64_nv - atomic AND operations
atomic_bits(3c): atomic_bits, atomic_set_long_excl, atomic_clear_long_excl - atomic set and clear bit operations
atomic_cas(3c): atomic_cas, atomic_cas_8, atomic_cas_uchar, atomic_cas_16, atomic_cas_ushort, atomic_cas_32, atomic_cas_uint, atomic_cas_ulong, atomic_cas_64, atomic_cas_ptr - atomic compare and swap operations
atomic_dec(3c): atomic_dec, atomic_dec_8, atomic_dec_uchar, atomic_dec_16, atomic_dec_ushort, atomic_dec_32, atomic_dec_uint, atomic_dec_ulong, atomic_dec_64, atomic_dec_ptr, atomic_dec_8_nv, atomic_dec_uchar_nv, atomic_dec_16_nv, atomic_dec_ushort_nv, atomic_dec_32_nv, atomic_dec_uint_nv, atomic_dec_ulong_nv, atomic_dec_64_nv, atomic_dec_ptr_nv - atomic decrement operations
atomic_inc(3c): atomic_inc, atomic_inc_8, atomic_inc_uchar, atomic_inc_16, atomic_inc_ushort, atomic_inc_32, atomic_inc_uint, atomic_inc_ulong, atomic_inc_64, atomic_inc_ptr, atomic_inc_8_nv, atomic_inc_uchar_nv, atomic_inc_16_nv, atomic_inc_ushort_nv, atomic_inc_32_nv, atomic_inc_uint_nv, atomic_inc_ulong_nv, atomic_inc_64_nv, atomic_inc_ptr_nv - atomic increment operations
atomic_ops(3c): atomic_ops - atomic operations
atomic_or(3c): atomic_or, atomic_or_8, atomic_or_uchar, atomic_or_16, atomic_or_ushort, atomic_or_32, atomic_or_uint, atomic_or_ulong, atomic_or_64, atomic_or_8_nv, atomic_or_uchar_nv, atomic_or_16_nv, atomic_or_ushort_nv, atomic_or_32_nv, atomic_or_uint_nv, atomic_or_ulong_nv, atomic_or_64_nv - atomic OR operations
atomic_swap(3c): atomic_swap, atomic_swap_8, atomic_swap_uchar, atomic_swap_16, atomic_swap_ushort, atomic_swap_32, atomic_swap_uint, atomic_swap_ulong, atomic_swap_64, atomic_swap_ptr - atomic swap operations
attropen(3c): attropen - open a file
basename(3c): basename - return the last element of a path name
bsd_signal(3c): bsd_signal - simplified signal facilities
bsearch(3c): bsearch - binary search a sorted table
bstring(3c): bstring, bcopy, bcmp, bzero, explicit_bzero - memory operations
btowc(3c): btowc, btowc_l - single-byte to wide-character conversion
byteorder(3c): byteorder, htonl, htonll, htons, ntohl, ntohll, ntohs — convert values between host and network byte order
c16rtomb(3c): c16rtomb, c32rtomb, wcrtomb, wcrtomb_l — convert wide-characters to character sequences
call_once(3c): call_once — ensure function is only called once
catgets(3c): catgets - read a program message
catopen(3c): catopen, catclose - open/close a message catalog
cfgetispeed(3c): cfgetispeed, cfgetospeed — get input and output baud rate
cfsetispeed(3c): cfsetispeed, cfsetospeed — set input and output baud rate
clearenv(3c): clearenv — clear environment
clock(3c): clock - report CPU time used
clock_nanosleep(3c): clock_nanosleep - high resolution sleep with specifiable clock
clock_settime(3c): clock_settime, clock_gettime, clock_getres — high-resolution clock operations
closedir(3c): closedir — close a directory stream
closefrom(3c): closefrom, fdwalk - close or iterate over open file descriptors
cnd(3c): cnd, cnd_broadcast, cnd_destroy, cnd_init, cnd_signal, cnd_timedwait, cnd_wait — C11 condition variable functions
cond_init(3c): cond_init, cond_wait, cond_timedwait, cond_reltimedwait, cond_signal, cond_broadcast, cond_destroy - condition variables
confstr(3c): confstr - get configurable variables
crypt(3c): crypt - string encoding function
crypt_genhash_impl(3c): crypt_genhash_impl - generate encrypted password
crypt_gensalt(3c): crypt_gensalt - generate salt string for string encoding
crypt_gensalt_impl(3c): crypt_gensalt_impl - generate salt for password encryption
cset(3c): cset, csetlen, csetcol, csetno, wcsetno - get information on EUC codesets
ctermid(3c): ctermid, ctermid_r - generate path name for controlling terminal
ctime(3c): ctime, ctime_r, localtime, localtime_r, gmtime, gmtime_r, asctime, asctime_r, tzset - convert date and time to string
ctype(3c): ctype, isalpha, isalnum, isascii, isblank, iscntrl, isdigit, islower, isprint, isspace, isupper, ispunct, isgraph, isxdigit, isalpha_l, isalnum_l, isblank_l, iscntrl_l, isdigit_l, islower_l, isprint_l, isspace_l, isupper_l, ispunct_l, isgraph_l, isxdigit_l - character handling
cuserid(3c): cuserid - get character login name of the user
daemon(3c): daemon - basic daemonization function
decimal_to_floating(3c): decimal_to_floating, decimal_to_single, decimal_to_double, decimal_to_extended, decimal_to_quadruple - convert decimal record to floating-point value
difftime(3c): difftime - computes the difference between two calendar times
directio(3c): directio - provide advice to file system
dirfd(3c): dirfd - get directory stream file descriptor
dirname(3c): dirname - report the parent directory name of a file path name
div(3c): div, ldiv, lldiv - compute the quotient and remainder
dladdr(3c): dladdr, dladdr1 - translate address to symbolic information
dlclose(3c): dlclose - close a shared object
dldump(3c): dldump - create a new file from a dynamic object component of the calling process
dlerror(3c): dlerror - get diagnostic information
dlinfo(3c): dlinfo - dynamic load information
dlopen(3c): dlopen, dlmopen - gain access to an executable object file
dlsym(3c): dlsym - get the address of a symbol in a shared object or executable
door_bind(3c): door_bind, door_unbind - bind or unbind the current thread with the door server pool
door_call(3c): door_call - invoke the function associated with a door descriptor
door_create(3c): door_create - create a door descriptor
door_cred(3c): door_cred - return credential information associated with the client
door_getparam(3c): door_getparam, door_setparam - retrieve and set door parameters
door_info(3c): door_info - return information associated with a door descriptor
door_return(3c): door_return - return from a door invocation
door_revoke(3c): door_revoke - revoke access to a door descriptor
door_server_create(3c): door_server_create - specify an alternative door server thread creation function
door_ucred(3c): door_ucred - return credential information associated with the client
drand48(3c): drand48, erand48, lrand48, nrand48, mrand48, jrand48, srand48, seed48, lcong48 - generate uniformly distributed pseudo-random numbers
dup2(3c): dup2, dup3 - duplicate an open file descriptor
econvert(3c): econvert, fconvert, gconvert, seconvert, sfconvert, sgconvert, qeconvert, qfconvert, qgconvert - output conversion
ecvt(3c): ecvt, fcvt, gcvt - convert floating-point number to string
enable_extended_FILE_stdio(3c): enable_extended_FILE_stdio - enable extended FILE facility within standard I/O
encrypt(3c): encrypt - encoding function
end(3c): end, _end, etext, _etext, edata, _edata - last locations in program
endian(3c): endian, be16toh, be32toh, be64toh, betoh16, betoh32, betoh64, htobe16, htobe32, htobe64, htole16, htole32, htole64, le16toh, le32toh, le64toh, letoh16, letoh32, letoh64 — convert between big and little endian byte order
epoll_create(3c): epoll_create, epoll_create1 - create an epoll instance
epoll_ctl(3c): epoll_ctl - control an epoll instance
epoll_wait(3c): epoll_wait, epoll_pwait - wait for epoll events
err(3c): err, errc, errx, warn, warnc, warnx, verr, verrc, verrx, vwarn, vwarnc, vwarnx — formatted error messages
euclen(3c): euclen, euccol, eucscol - get byte length and display width of EUC characters
eventfd(3c): eventfd, eventfd_read, eventfd_write — create a file descriptor for event notification
exit(3c): exit, _exithandle - terminate process
fattach(3c): fattach - attach a STREAMS- or doors-based file descriptor to an object in the file system name space
fclose(3c): fclose - close a stream
fcloseall(3c): fcloseall — close all standard I/O streams
fdatasync(3c): fdatasync - synchronize a file's data
fdetach(3c): fdetach - detach a name from a STREAMS-based file descriptor
fdopen(3c): fdopen - associate a stream with a file descriptor
ferror(3c): ferror, feof, clearerr, fileno — stream status inquiries
fflush(3c): fflush - flush a stream
ffs(3c): ffs - find first set bit
fgetattr(3c): fgetattr, fsetattr, getattrat, setattrat - get and set system attributes
fgetc(3c): fgetc, getc, getc_unlocked, getchar, getchar_unlocked, getw - get a byte from a stream
fgetpos(3c): fgetpos - get current file position information
fgetwc(3c): fgetwc, fgetwc_l - get a wide-character code from a stream
floating_to_decimal(3c): floating_to_decimal, single_to_decimal, double_to_decimal, extended_to_decimal, quadruple_to_decimal - convert floating-point value to decimal record
flock(3c): flock - OFD(open file description)-style file locking
flockfile(3c): flockfile, funlockfile, ftrylockfile - acquire and release stream lock
fmemopen(3c): fmemopen — open a memory stream
fmtmsg(3c): fmtmsg - display a message on stderr or system console
fnmatch(3c): fnmatch — match filename or path name
fopen(3c): fopen - open a stream
fpgetround(3c): fpgetround, fpsetround, fpgetmask, fpsetmask, fpgetsticky, fpsetsticky - IEEE floating-point environment control
fputc(3c): fputc, putc, putc_unlocked, putchar, putchar_unlocked, putw - put a byte on a stream
fputwc(3c): fputwc, putwc, putwchar - put wide-character code on a stream
fputws(3c): fputws - put wide character string on a stream
fread(3c): fread - binary input
freopen(3c): freopen - open a stream
fseek(3c): fseek, fseeko - reposition a file-position indicator in a stream
fsetpos(3c): fsetpos - reposition a file pointer in a stream
fsync(3c): fsync - synchronize changes to a file
ftell(3c): ftell, ftello - return a file offset in a stream
ftime(3c): ftime - get date and time
ftok(3c): ftok - generate an IPC key
fts(3c): fts_open, fts_read, fts_children, fts_set, fts_close — traverse a file hierarchy
ftw(3c): ftw, nftw - walk a file tree
fwide(3c): fwide - set stream orientation
fwprintf(3c): fwprintf, wprintf, swprintf - print formatted wide-character output
fwrite(3c): fwrite - binary output
fwscanf(3c): fwscanf, wscanf, swscanf, vfwscanf, vwscanf, vswscanf - convert formatted wide-character input
get_nprocs(3c): get_nprocs, get_nprocs_conf — get number of processors
getcpuid(3c): getcpuid, gethomelgroup - obtain information on scheduling decisions
getcwd(3c): getcwd — get pathname of current working directory
getdate(3c): getdate - convert user format date and time
getdtablesize(3c): getdtablesize - get the file descriptor table size
getentropy(3c): getentropy — get entropy
getenv(3c): getenv, secure_getenv — return value for environment name
getexecname(3c): getexecname - return pathname of executable
getgrnam(3c): getgrnam, getgrnam_r, getgrent, getgrent_r, getgrgid, getgrgid_r, setgrent, endgrent, fgetgrent, fgetgrent_r - group database entry functions
getgrouplist(3c): getgrouplist — calculate group access list
gethostid(3c): gethostid - get an identifier for the current host
gethostname(3c): gethostname, sethostname - get or set name of current host
gethrtime(3c): gethrtime, gethrvtime - get high resolution time
getline(3c): getline, getdelim - read delimited input from streams
getloadavg(3c): getloadavg - get system load averages
getlogin(3c): getlogin, getlogin_r - get login name
getmntent(3c): getmntent, getmntany, getextmntent, hasmntopt, putmntent, resetmnttab - get mounted device information
getnetgrent(3c): getnetgrent, getnetgrent_r, setnetgrent, endnetgrent, innetgr - get network group entry
getopt(3c): getopt - command option parsing
getopt_long(3c): getopt_long, getopt_long_clip, getopt_long_only — get long options from command line argument list
getpagesize(3c): getpagesize - get system page size
getpagesizes(3c): getpagesizes - get system supported page sizes
getpass(3c): getpass, getpassphrase - read a string of characters without echo
getpeerucred(3c): getpeerucred - get connected socket or stream peer's credentials
getpriority(3c): getpriority, setpriority - get and set the nice value
getprogname(3c): getprogname, setprogname — get or set the program name
getpw(3c): getpw - get passwd entry from UID
getpwnam(3c): getpwnam, getpwnam_r, getpwent, getpwent_r, getpwuid, getpwuid_r, setpwent, endpwent, fgetpwent, fgetpwent_r - get password entry
getrusage(3c): getrusage - get information about resource utilization
gets(3c): gets, fgets - get a string from a stream
getspnam(3c): getspnam, getspnam_r, getspent, getspent_r, setspent, endspent, fgetspent, fgetspent_r - get password entry
getsubopt(3c): getsubopt - parse suboption arguments from a string
gettext(3c): gettext, dgettext, dcgettext, ngettext, dngettext, dcngettext, textdomain, bindtextdomain, bind_textdomain_codeset - message handling functions
gettimeofday(3c): gettimeofday, settimeofday - get or set the date and time
gettxt(3c): gettxt - retrieve a text string
getusershell(3c): getusershell, setusershell, endusershell - get legal user shells
getutent(3c): getutent, getutid, getutline, pututline, setutent, endutent, utmpname - user accounting database functions
getutxent(3c): getutxent, getutxid, getutxline, pututxline, setutxent, endutxent, utmpxname, getutmp, getutmpx, updwtmp, updwtmpx - user accounting database functions
getvfsent(3c): getvfsent, getvfsfile, getvfsspec, getvfsany - get vfstab file entry
getwc(3c): getwc, getwc_l - get wide character from a stream
getwchar(3c): getwchar - get wide character from stdin stream
getwd(3c): getwd — get current working directory pathname
getwidth(3c): getwidth - get codeset information
getws(3c): getws, fgetws - get a wide-character string from a stream
getzoneid(3c): getzoneid, getzoneidbyname, getzonenamebyid - map between zone id and name
glob(3c): glob, globfree - generate path names matching a pattern
grantpt(3c): grantpt — grant access to the subsidiary device of a pseudo-terminal
hsearch(3c): hsearch, hcreate, hdestroy - manage hash search tables
iconv(3c): iconv - code conversion function
iconv_close(3c): iconv_close - code conversion deallocation function
iconv_open(3c): iconv_open - code conversion allocation function
imaxabs(3c): imaxabs - return absolute value
imaxdiv(3c): imaxdiv - return quotient and remainder
index(3c): index, rindex - string operations
inet(3c): inet, inet6, inet_ntop, inet_pton, inet_aton, inet_addr, inet_network, inet_makeaddr, inet_lnaof, inet_netof, inet_ntoa — Internet address manipulation
initgroups(3c): initgroups - initialize the supplementary group access list
inotify_add_watch(3c): inotify_add_watch - add a watch to an inotify instance
inotify_init(3c): inotify_init, inotify_init1 - initialize an inotify instance
inotify_rm_watch(3c): inotify_rm_watch - remove a watch from an inotify instance
insque(3c): insque, remque - insert/remove element from a queue
is_system_labeled(3c): is_system_labeled - determine whether Trusted Extensions software is active
isaexec(3c): isaexec - invoke isa-specific executable
isastream(3c): isastream - test a file descriptor
isatty(3c): isatty — test for a terminal device
isnand(3c): isnand, isnanf, finite, fpclass, unordered - determine type of floating-point number
iswalpha(3c): iswalpha, isenglish, isideogram, iswideogram, isnumber, iswnumber, isphonogram, iswphonogram, isspecial, iswspecial, iswalnum, iswascii, iswblank, iswcntrl, iswdigit, iswgraph, iswlower, iswprint, iswpunct, iswspace, iswupper, iswxdigit, iswhexnumber, iswalpha_l, iswideogram_l, iswnumber_l, iswphonogram_l, iswspecial_l, iswalnum_l, iswascii_l, iswblank_l, iswcntrl_l, iswdigit_l, iswgraph_l, iswlower_l, iswprint_l, iswpunct_l, iswspace_l, iswupper_l, iswhexnumber_l - wide-character code classification functions
iswctype(3c): iswctype - test character for specified class
killpg(3c): killpg - send signal to a process group
lckpwdf(3c): lckpwdf, ulckpwdf - manipulate shadow password database lock file
lfmt(3c): lfmt - display error message in standard format and pass to logging and monitoring services
lio_listio(3c): lio_listio - list directed I/O
localeconv(3c): localeconv - get numeric formatting information
lockf(3c): lockf - POSIX-style record locking on files
lsearch(3c): lsearch, lfind - linear search and update
madvise(3c): madvise — provide advice to VM system
makecontext(3c): makecontext, swapcontext, swapcontext_extd — manipulate user contexts
makedev(3c): makedev, major, minor - manage a device number
malloc(3c): malloc, calloc, free, freezero, memalign, realloc, reallocf, reallocarray, recallocarray, valloc, alloca — memory allocator
mblen(3c): mblen, mblen_l - get number of bytes in a character
mbrlen(3c): mbrlen, mbrlen_l - get number of bytes in a character (restartable)
mbrtoc16(3c): mbrtoc16, mbrtoc32, mbrtowc, mbrtowc_l — convert characters to wide characters
mbsinit(3c): mbsinit,mbsinit_l - determine conversion object status
mbsrtowcs(3c): mbsnrtowcs, mbsnrtowcs_l, mbsrtowcs, mbsrtowcs_l - convert a character string to a wide-character string (restartable)
mbstowcs(3c): mbstowcs, mbstowcs_l — convert a multibyte character string to a wide-character string
mbtowc(3c): mbtowc, mbtowc_l - convert a character to a wide-character code
membar_ops(3c): membar_ops, membar_enter, membar_exit, membar_producer, membar_consumer - memory access synchronization barrier operations
memory(3c): memory, memccpy, memchr, memcmp, memcpy, memmem, memmove, memrchr, memset — memory operations
memset_s(3c): memset_s — copy a value to all bytes of a memory buffer
mkfifo(3c): mkfifo, mkfifoat - make a FIFO special file
mkstemp(3c): mkstemp, mkstemps, mkostemp, mkostemps, mkdtemp - make a unique file name from a template and open the file
mktemp(3c): mktemp - make a unique file name from a template
mktime(3c): mktime, timegm - convert a tm structure to a calendar time
mlock(3c): mlock, munlock — lock or unlock pages in memory
mlockall(3c): mlockall, munlockall - lock or unlock address space
monitor(3c): monitor - prepare process execution profile
mq_close(3c): mq_close - close a message queue
mq_getattr(3c): mq_getattr - get message queue attributes
mq_notify(3c): mq_notify - notify process (or thread) that a message is available on a queue
mq_open(3c): mq_open - open a message queue
mq_receive(3c): mq_receive, mq_timedreceive, mq_reltimedreceive_np - receive a message from a message queue
mq_send(3c): mq_send, mq_timedsend, mq_reltimedsend_np - send a message to a message queue
mq_setattr(3c): mq_setattr - set/get message queue attributes
mq_unlink(3c): mq_unlink - remove a message queue
msync(3c): msync - synchronize memory with physical storage
mtx(3c): mtx, mtx_destroy, mtx_init, mtx_lock, mtx_timedlock, mtx_trylock, mtx_unlock — C11 mutex operations
mutex_init(3c): mutex_init, mutex_lock, mutex_trylock, mutex_unlock, mutex_consistent, mutex_destroy - mutual exclusion locks
nanosleep(3c): nanosleep, thrd_sleep - high resolution sleep
ndbm(3c): ndbm, dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
newlocale(3c): duplocale, freelocale, newlocale - create, duplicate, and destroy locale objects
nl_langinfo(3c): nl_langinfo, nl_langinfo_l - language information
offsetof(3c): offsetof - offset of structure member
open_memstream(3c): open_memstream, open_wmemstream — open a memory stream
opendir(3c): opendir, fdopendir — open directory stream
perror(3c): perror, errno - print system error messages
pfmt(3c): pfmt - display error message in standard format
plock(3c): plock - lock or unlock into memory process, text, or data
popen(3c): popen, pclose - initiate a pipe to or from a process
port_alert(3c): port_alert - set a port in alert mode
port_associate(3c): port_associate, port_dissociate - associate or dissociate the object with the port
port_create(3c): port_create - create a port
port_get(3c): port_get, port_getn - retrieve event information from a port
port_send(3c): port_send, port_sendn - send a user-defined event to a port or list of ports
posix_fadvise(3c): posix_fadvise - file advisory information
posix_fallocate(3c): posix_fallocate - file space control
posix_madvise(3c): posix_madvise - memory advisory information
posix_memalign(3c): posix_memalign - aligned memory allocation
posix_openpt(3c): posix_openpt — open a pseudo-terminal manager device
posix_spawn(3c): posix_spawn, posix_spawnp - spawn a process
posix_spawn_file_actions_addchdir(3c): posix_spawn_file_actions_addchdir, posix_spawn_file_actions_addfchdir — add directory changing actions to a spawn file actions object
posix_spawn_file_actions_addclose(3c): posix_spawn_file_actions_addclose, posix_spawn_file_actions_addopen - add close or open action to spawn file actions object
posix_spawn_file_actions_addclosefrom_np(3c): posix_spawn_file_actions_addclosefrom_np - add closefrom action to spawn file actions object
posix_spawn_file_actions_adddup2(3c): posix_spawn_file_actions_adddup2 - add dup2 action to spawn file actions object
posix_spawn_file_actions_destroy(3c): posix_spawn_file_actions_destroy, posix_spawn_file_actions_init - destroy and initialize spawn file actions object
posix_spawn_pipe_np(3c): posix_spawn_pipe_np - spawn a process with connected pipe
posix_spawnattr_destroy(3c): posix_spawnattr_destroy, posix_spawnattr_init - destroy and initialize spawn attributes object
posix_spawnattr_getflags(3c): posix_spawnattr_getflags, posix_spawnattr_setflags - get and set spawn-flags attribute of spawn attributes object
posix_spawnattr_getpgroup(3c): posix_spawnattr_getpgroup, posix_spawnattr_setpgroup - get and set spawn-pgroup attribute of spawn attributes object
posix_spawnattr_getschedparam(3c): posix_spawnattr_getschedparam, posix_spawnattr_setschedparam - get and set spawn-schedparam attribute of spawn attributes object
posix_spawnattr_getschedpolicy(3c): posix_spawnattr_getschedpolicy, posix_spawnattr_setschedpolicy - get and set spawn-schedpolicy attribute of spawn attributes object
posix_spawnattr_getsigdefault(3c): posix_spawnattr_getsigdefault, posix_spawnattr_setsigdefault - get and set spawn-sigdefault attribute of spawn attributes object
posix_spawnattr_getsigignore_np(3c): posix_spawnattr_getsigignore_np, posix_spawnattr_setsigignore_np - get and set spawn-sigignore attribute of spawn attributes object
posix_spawnattr_getsigmask(3c): posix_spawnattr_getsigmask, posix_spawnattr_setsigmask - get and set spawn-sigmask attribute of spawn attributes object
printf(3c): printf, fprintf, sprintf, snprintf, asprintf - print formatted output
priv_addset(3c): priv_addset, priv_allocset, priv_copyset, priv_delset, priv_emptyset, priv_basicset, priv_fillset, priv_freeset, priv_intersect, priv_inverse, priv_isemptyset, priv_isequalset, priv_isfullset, priv_ismember, priv_issubset, priv_union - privilege set manipulation functions
priv_set(3c): priv_set, priv_ineffect — change privilege sets and check whether privileges are set
priv_str_to_set(3c): priv_str_to_set, priv_set_to_str, priv_getbyname, priv_getbynum, priv_getsetbyname, priv_getsetbynum, priv_gettext - privilege name functions
pset_getloadavg(3c): pset_getloadavg - get system load averages for a processor set
psignal(3c): psignal, psiginfo - system signal messages
pthread_atfork(3c): pthread_atfork - register fork handlers
pthread_attr_get_np(3c): pthread_attr_get_np — get pthread attributes of a running thread
pthread_attr_getdetachstate(3c): pthread_attr_getdetachstate, pthread_attr_setdetachstate - get or set detachstate attribute
pthread_attr_getguardsize(3c): pthread_attr_getguardsize, pthread_attr_setguardsize - get or set thread guardsize attribute
pthread_attr_getinheritsched(3c): pthread_attr_getinheritsched, pthread_attr_setinheritsched - get or set inheritsched attribute
pthread_attr_getname_np(3c): pthread_attr_getname_np, pthread_attr_setname_np — get or set thread name attribute
pthread_attr_getschedparam(3c): pthread_attr_getschedparam, pthread_attr_setschedparam - get or set schedparam attribute
pthread_attr_getschedpolicy(3c): pthread_attr_getschedpolicy, pthread_attr_setschedpolicy - get or set schedpolicy attribute
pthread_attr_getscope(3c): pthread_attr_getscope, pthread_attr_setscope - get or set contentionscope attribute
pthread_attr_getstack(3c): pthread_attr_getstack, pthread_attr_setstack - get or set stack attributes
pthread_attr_getstackaddr(3c): pthread_attr_getstackaddr, pthread_attr_setstackaddr - get or set stackaddr attribute
pthread_attr_getstacksize(3c): pthread_attr_getstacksize, pthread_attr_setstacksize - get or set stacksize attribute
pthread_attr_init(3c): pthread_attr_init, pthread_attr_destroy - initialize or destroy threads attribute object
pthread_barrier_destroy(3c): pthread_barrier_destroy, pthread_barrier_init - destroy and initialize a barrier object
pthread_barrier_wait(3c): pthread_barrier_wait - synchronize at a barrier
pthread_barrierattr_destroy(3c): pthread_barrierattr_destroy, pthread_barrierattr_init - destroy and initialize barrier attributes object
pthread_barrierattr_getpshared(3c): pthread_barrierattr_getpshared, pthread_barrierattr_setpshared - get and set process-shared attribute of barrier attributes object
pthread_cancel(3c): pthread_cancel - cancel execution of a thread
pthread_cleanup_pop(3c): pthread_cleanup_pop - pop a thread cancellation cleanup handler
pthread_cleanup_push(3c): pthread_cleanup_push - push a thread cancellation cleanup handler
pthread_cond_init(3c): pthread_cond_init, pthread_cond_destroy - initialize or destroy condition variables
pthread_cond_signal(3c): pthread_cond_signal, pthread_cond_broadcast - signal or broadcast a condition
pthread_cond_wait(3c): pthread_cond_wait, pthread_cond_clockwait, pthread_cond_timedwait, pthread_cond_relclockwait_np, pthread_cond_reltimedwait_np — wait on a condition
pthread_condattr_getclock(3c): pthread_condattr_getclock, pthread_condattr_setclock - get and set the clock selection condition variable attribute
pthread_condattr_getpshared(3c): pthread_condattr_getpshared, pthread_condattr_setpshared - get or set process-shared condition variable attributes
pthread_condattr_init(3c): pthread_condattr_init, pthread_condattr_destroy - initialize or destroy condition variable attributes object
pthread_create(3c): pthread_create - create a thread
pthread_detach(3c): pthread_detach - detach a thread
pthread_equal(3c): pthread_equal - compare thread IDs
pthread_exit(3c): pthread_exit - terminate calling thread
pthread_getconcurrency(3c): pthread_getconcurrency, pthread_setconcurrency - get or set level of concurrency
pthread_getname_np(3c): pthread_getname_np, pthread_setname_np — get or set the name of a thread
pthread_getschedparam(3c): pthread_getschedparam, pthread_setschedparam - access dynamic thread scheduling parameters
pthread_getspecific(3c): pthread_getspecific, pthread_setspecific - manage thread-specific data
pthread_join(3c): pthread_join - wait for thread termination
pthread_key_create(3c): pthread_key_create, pthread_key_create_once_np - create thread-specific data key
pthread_key_delete(3c): pthread_key_delete - delete thread-specific data key
pthread_kill(3c): pthread_kill - send a signal to a thread
pthread_mutex_consistent(3c): pthread_mutex_consistent — mark state protected by robust mutex as consistent
pthread_mutex_getprioceiling(3c): pthread_mutex_getprioceiling, pthread_mutex_setprioceiling - change priority ceiling of a mutex
pthread_mutex_init(3c): pthread_mutex_init, pthread_mutex_destroy — initialize or destroy a mutex
pthread_mutex_lock(3c): pthread_mutex_lock, pthread_mutex_trylock, pthread_mutex_unlock - lock or unlock a mutex
pthread_mutex_timedlock(3c): pthread_mutex_clocklock, pthread_mutex_timedlock, pthread_mutex_relclocklock_np, pthread_mutex_reltimedlock_np — lock a mutex with a timeout
pthread_mutexattr_getprioceiling(3c): pthread_mutexattr_getprioceiling, pthread_mutexattr_setprioceiling - get or set prioceiling attribute of mutex attribute object
pthread_mutexattr_getprotocol(3c): pthread_mutexattr_getprotocol, pthread_mutexattr_setprotocol - get or set protocol attribute of mutex attribute object
pthread_mutexattr_getpshared(3c): pthread_mutexattr_getpshared, pthread_mutexattr_setpshared - get or set process-shared attribute
pthread_mutexattr_getrobust(3c): pthread_mutexattr_getrobust, pthread_mutexattr_setrobust — get and set the mutex robust attribute
pthread_mutexattr_gettype(3c): pthread_mutexattr_gettype, pthread_mutexattr_settype - get or set mutex type
pthread_mutexattr_init(3c): pthread_mutexattr_init, pthread_mutexattr_destroy - initialize or destroy mutex attributes object
pthread_once(3c): pthread_once - initialize dynamic package
pthread_rwlock_init(3c): pthread_rwlock_init, pthread_rwlock_destroy - initialize or destroy read-write lock object
pthread_rwlock_rdlock(3c): pthread_rwlock_rdlock, pthread_rwlock_tryrdlock - lock or attempt to lock read-write lock object for reading
pthread_rwlock_timedrdlock(3c): pthread_rwlock_clockrdlock, pthread_rwlock_timedrdlock, pthread_rwlock_relclockrdlock_np, pthread_rwlock_reltimedrdlock_np — lock a read-write lock for reading
pthread_rwlock_timedwrlock(3c): pthread_rwlock_clockwrlock, pthread_rwlock_timedwrlock, pthread_rwlock_relclockwrlock_np, pthread_rwlock_reltimedwrlock_np — lock a read-write lock for writing
pthread_rwlock_unlock(3c): pthread_rwlock_unlock - unlock read-write lock object
pthread_rwlock_wrlock(3c): pthread_rwlock_wrlock, pthread_rwlock_trywrlock - lock or attempt to lock read-write lock object for writing
pthread_rwlockattr_getpshared(3c): pthread_rwlockattr_getpshared, pthread_rwlockattr_setpshared - get or set process-shared attribute of read-write lock attributes object
pthread_rwlockattr_init(3c): pthread_rwlockattr_init, pthread_rwlockattr_destroy - initialize or destroy read-write lock attributes object
pthread_self(3c): pthread_self - get calling thread's ID
pthread_setcancelstate(3c): pthread_setcancelstate - enable or disable cancellation
pthread_setcanceltype(3c): pthread_setcanceltype - set cancellation type of a thread
pthread_setschedprio(3c): pthread_setschedprio - dynamic thread scheduling parameters access
pthread_sigmask(3c): pthread_sigmask - change or examine calling thread's signal mask
pthread_spin_destroy(3c): pthread_spin_destroy, pthread_spin_init - destroy or initialize a spin lock object
pthread_spin_lock(3c): pthread_spin_lock, pthread_spin_trylock - lock a spin lock object
pthread_spin_unlock(3c): pthread_spin_unlock - unlock a spin lock object
pthread_testcancel(3c): pthread_testcancel - create cancellation point in the calling thread
ptrace(3c): ptrace - allows a parent process to control the execution of a child process
ptsname(3c): ptsname, ptsname_r — get the name of the subsidiary device of a pseudo-terminal
putenv(3c): putenv - change or add value to environment
putpwent(3c): putpwent - write password file entry
puts(3c): puts, fputs - put a string on a stream
putspent(3c): putspent - write shadow password file entry
putws(3c): putws - convert a string of Process Code characters to EUC characters
qsort(3c): qsort, qsort_r — quick sort
quick_exit(3c): at_quick_exit, quick_exit — terminate a running process with minimal teardown
raise(3c): raise - send a signal to the executing thread
rand(3c): rand, srand, rand_r - simple random-number generator
random(3c): random, srandom, initstate, setstate - pseudorandom number functions
rctl_walk(3c): rctl_walk - visit registered rctls on current system
rctlblk_set_value(3c): rctlblk_set_value, rctlblk_get_firing_time, rctlblk_get_global_action, rctlblk_get_global_flags, rctlblk_get_local_action, rctlblk_get_local_flags, rctlblk_get_privilege, rctlblk_get_recipient_pid, rctlblk_get_value, rctlblk_get_enforced_value, rctlblk_set_local_action, rctlblk_set_local_flags, rctlblk_set_privilege, rctlblk_set_recipient_pid, rctlblk_size - manipulate resource control blocks
re_comp(3c): re_comp, re_exec - compile and execute regular expressions
readdir(3c): readdir, readdir_r — read directory
realpath(3c): realpath - resolve pathname
reboot(3c): reboot - reboot system or halt processor
regcmp(3c): regcmp, regex - compile and execute regular expression
regcomp(3c): regcomp, regexec, regerror, regfree — regular-expression library
remove(3c): remove - remove file
rewind(3c): rewind - reset file position indicator in a stream
rewinddir(3c): rewinddir - reset position of directory stream to the beginning of a directory
rwlock(3c): rwlock, rwlock_init, rwlock_destroy, rw_rdlock, rw_wrlock, rw_tryrdlock, rw_trywrlock, rw_unlock - multiple readers, single writer locks
scandir(3c): scandir, alphasort - scan a directory
scanf(3c): scanf, fscanf, sscanf, vscanf, vfscanf, vsscanf - convert formatted input
sched_get_priority_max(3c): sched_get_priority_max, sched_get_priority_min - get scheduling parameter limits
sched_getparam(3c): sched_getparam - get scheduling parameters
sched_getscheduler(3c): sched_getscheduler - get scheduling policy
sched_rr_get_interval(3c): sched_rr_get_interval - get execution time limits
sched_setparam(3c): sched_setparam - set scheduling parameters
sched_setscheduler(3c): sched_setscheduler - set scheduling policy and scheduling parameters
sched_yield(3c): sched_yield - yield processor
schedctl_init(3c): schedctl_init, schedctl_lookup, schedctl_exit, schedctl_start, schedctl_stop - preemption control
seekdir(3c): seekdir - set position of directory stream
select(3c): select, pselect, FD_SET, FD_CLR, FD_ISSET, FD_ZERO — synchronous I/O multiplexing
sem_close(3c): sem_close - close a named semaphore
sem_destroy(3c): sem_destroy - destroy an unnamed semaphore
sem_getvalue(3c): sem_getvalue - get the value of a semaphore
sem_init(3c): sem_init - initialize an unnamed semaphore
sem_open(3c): sem_open - initialize/open a named semaphore
sem_post(3c): sem_post - increment the count of a semaphore
sem_timedwait(3c): sem_clockwait, sem_timedwait, sem_relclockwait_np, sem_reltimedwait_np — lock a semaphore with timeout
sem_unlink(3c): sem_unlink - remove a named semaphore
sem_wait(3c): sem_wait, sem_trywait - acquire or wait for a semaphore
semaphore(3c): semaphore, sema_init, sema_destroy, sema_wait, sema_trywait, sema_post - semaphores
set_constraint_handler_s(3c): set_constraint_handler_s, abort_handler_s, ignore_handler_s — runtime-constraint handling
setbuf(3c): setbuf, setvbuf - assign buffering to a stream
setbuffer(3c): setbuffer, setlinebuf - assign buffering to a stream
setcat(3c): setcat - define default catalog
setenv(3c): setenv - add or change environment variable
setjmp(3c): setjmp, sigsetjmp, longjmp, siglongjmp - non-local goto
setkey(3c): setkey - set encoding key
setlabel(3c): setlabel - define the label for pfmt() and lfmt()
setlocale(3c): setlocale - modify and query a program's locale
shm_open(3c): shm_open - open a shared memory object
shm_unlink(3c): shm_unlink - remove a shared memory object
sigfpe(3c): sigfpe - signal handling for specific SIGFPE codes
siginterrupt(3c): siginterrupt - allow signals to interrupt functions
signal(3c): signal, sigset, sighold, sigrelse, sigignore, sigpause - simplified signal management for application processes
signalfd(3c): signalfd — create or modify a file descriptor for signal handling
sigqueue(3c): sigqueue - queue a signal to a process
sigsetops(3c): sigsetops, sigemptyset, sigfillset, sigaddset, sigdelset, sigismember - manipulate sets of signals
sigstack(3c): sigstack - set and/or get alternate signal stack context
sigwaitinfo(3c): sigwaitinfo, sigtimedwait - wait for queued signals
sleep(3c): sleep - suspend execution for an interval of time
smt_pause(3c): smt_pause — hardware-aware busy wait
ssignal(3c): ssignal, gsignal - software signals
stack_getbounds(3c): stack_getbounds - retrieve stack boundaries
stack_inbounds(3c): stack_inbounds - determine if address is within stack boundaries
stack_setbounds(3c): stack_setbounds - update stack boundaries
stack_violation(3c): stack_violation - determine stack boundary violation event
stdc_bit_ceil(3c): stdc_bit_ceil, stdc_bit_ceil_uc, stdc_bit_ceil_us, stdc_bit_ceil_ui, stdc_bit_ceil_ul, stdc_bit_ceil_ull — find smallest power of 2 not less than value
stdc_bit_floor(3c): stdc_bit_floor, stdc_bit_floor_uc, stdc_bit_floor_us, stdc_bit_floor_ui, stdc_bit_floor_ul, stdc_bit_floor_ull — find largest power of 2 smaller than value
stdc_count_ones(3c): stdc_count_ones, stdc_count_ones_uc, stdc_count_ones_us, stdc_count_ones_ui, stdc_count_ones_ul, stdc_count_ones_ull — count one bits
stdc_count_zeros(3c): stdc_count_zeros, stdc_count_zeros_uc, stdc_count_zeros_us, stdc_count_zeros_ui, stdc_count_zeros_ul, stdc_count_zeros_ull — count zero bits
stdc_first_leading_one(3c): stdc_first_leading_one, stdc_first_leading_one_uc, stdc_first_leading_one_us, stdc_first_leading_one_ui, stdc_first_leading_one_ul, stdc_first_leading_one_ull — find index of most significant one bit
stdc_first_leading_zero(3c): stdc_first_leading_zero, stdc_first_leading_zero_uc, stdc_first_leading_zero_us, stdc_first_leading_zero_ui, stdc_first_leading_zero_ul, stdc_first_leading_zero_ull — find index of most significant zero bit
stdc_first_trailing_one(3c): stdc_first_trailing_one, stdc_first_trailing_one_uc, stdc_first_trailing_one_us, stdc_first_trailing_one_ui, stdc_first_trailing_one_ul, stdc_first_trailing_one_ull — find index of least significant one bit
stdc_first_trailing_zero(3c): stdc_first_trailing_zero, stdc_first_trailing_zero_uc, stdc_first_trailing_zero_us, stdc_first_trailing_zero_ui, stdc_first_trailing_zero_ul, stdc_first_trailing_zero_ull — find index of least significant zero bit
stdc_has_single_bit(3c): stdc_has_single_bit, stdc_has_single_bit_uc, stdc_has_single_bit_us, stdc_has_single_bit_ui, stdc_has_single_bit_ul, stdc_has_single_bit_ull — determine if only one bit is set
stdc_leading_ones(3c): stdc_leading_ones, stdc_leading_ones_uc, stdc_leading_ones_us, stdc_leading_ones_ui, stdc_leading_ones_ul, stdc_leading_ones_ull — count consecutive leading one bits
stdc_leading_zeros(3c): stdc_leading_zeros, stdc_leading_zeros_uc, stdc_leading_zeros_us, stdc_leading_zeros_ui, stdc_leading_zeros_ul, stdc_leading_zeros_ull — count consecutive leading zero bits
stdc_trailing_ones(3c): stdc_trailing_ones, stdc_trailing_ones_uc, stdc_trailing_ones_us, stdc_trailing_ones_ui, stdc_trailing_ones_ul, stdc_trailing_ones_ull — count consecutive trailing one bits
stdc_trailing_zeros(3c): stdc_trailing_zeros, stdc_trailing_zeros_uc, stdc_trailing_zeros_us, stdc_trailing_zeros_ui, stdc_trailing_zeros_ul, stdc_trailing_zeros_ull — count consecutive trailing zero bits
stdio(3c): stdio, stdin, stdout, stderr - standard buffered input/output package
str2sig(3c): str2sig, sig2str - translation between signal name and signal number
strcoll(3c): strcoll, strcoll_l - string collation
strerror(3c): strerror, strerror_r, strerror_l, strerrordesc_np, strerrorname_np — get error message string
strfmon(3c): strfmon, strfmon_l - convert monetary values to string
strftime(3c): strftime, strftime_l, cftime, ascftime - convert date and time to string
string(3c): string, strcasecmp, strcasecmp_l, strncasecmp, strncasecmp_l, strcat, strncat, strlcat, strchr, strchrnul, strrchr, strcmp, strncmp, stpcpy, stpncpy, strcpy, strncpy, strlcpy, strcspn, strspn, strdup, strndup, strdupa, strndupa, strlen, strnlen, strpbrk, strsep, strstr, strnstr, strcasestr, strtok, strtok_r - string operations
string_to_decimal(3c): string_to_decimal, file_to_decimal, func_to_decimal - parse characters into decimal record
strptime(3c): strptime, strptime_l - date and time conversion
strsignal(3c): strsignal - get name of signal
strtod(3c): strtod, strtof, strtold, atof - convert string to floating-point number
strtoimax(3c): strtoimax, strtoumax - convert string to integer type
strtol(3c): strtol, strtoll, atol, atoll, atoi, lltostr, ulltostr - string conversion routines
strtonum(3c): strtonum, strtonumx — reliably convert string value to an integer
strtoul(3c): strtoul, strtoull - convert string to unsigned long
strtows(3c): strtows, wstostr - code conversion for Process Code and File Code
strxfrm(3c): strxfrm, strxfrm_l - string transformation
swab(3c): swab - swap bytes
sync_instruction_memory(3c): sync_instruction_memory - make modified instructions executable
syncfs(3c): syncfs — synchronize file system to disk
sysconf(3c): sysconf - get configurable system variables
syslog(3c): syslog, openlog, closelog, setlogmask - control system log
system(3c): system - issue a shell command
tcdrain(3c): tcdrain - wait for transmission of output
tcflow(3c): tcflow - suspend or restart the transmission or reception of data
tcflush(3c): tcflush - flush non-transmitted output data, non-read input data or both
tcgetattr(3c): tcgetattr - get the parameters associated with the terminal
tcgetpgrp(3c): tcgetpgrp - get foreground process group ID
tcgetsid(3c): tcgetsid - get process group ID for session leader for controlling terminal
tcsendbreak(3c): tcsendbreak - send a ``break'' for a specific duration
tcsetattr(3c): tcsetattr - set the parameters associated with the terminal
tcsetpgrp(3c): tcsetpgrp - set foreground process group ID
tell(3c): tell - return a file offset for a file descriptor
telldir(3c): telldir - current location of a named directory stream
termios(3c): termios - general terminal interface
thr_create(3c): thr_create - create a thread
thr_exit(3c): thr_exit - terminate the calling thread
thr_getconcurrency(3c): thr_getconcurrency, thr_setconcurrency - get or set thread concurrency level
thr_getname(3c): thr_getname, thr_setname — get or set the name of a thread
thr_getprio(3c): thr_getprio, thr_setprio - access dynamic thread scheduling
thr_join(3c): thr_join - wait for thread termination
thr_keycreate(3c): thr_keycreate, thr_keycreate_once, thr_setspecific, thr_getspecific - thread-specific data functions
thr_kill(3c): thr_kill - send a signal to a thread
thr_main(3c): thr_main - identify the main thread
thr_min_stack(3c): thr_min_stack - return the minimum-allowable size for a thread's stack
thr_self(3c): thr_self - get calling thread's ID
thr_sigsetmask(3c): thr_sigsetmask - change or examine calling thread's signal mask
thr_stksegment(3c): thr_stksegment - get thread stack address and size
thr_suspend(3c): thr_suspend, thr_continue - suspend or continue thread execution
thr_yield(3c): thr_yield - yield to another thread
thrd_create(3c): thrd_create — create a thread
thrd_current(3c): thrd_current — obtain current thread's ID
thrd_detach(3c): thrd_detach — detach a thread
thrd_equal(3c): thrd_equal — determine if threads are equal
thrd_exit(3c): thrd_exit — terminate a thread
thrd_join(3c): thrd_join — wait for thread termination
thrd_yield(3c): thrd_yield — yield the CPU to another thread
timer_create(3c): timer_create - create a timer
timer_delete(3c): timer_delete - delete a timer
timer_settime(3c): timer_settime, timer_gettime, timer_getoverrun - per-process timers
timeradd(3c): timeradd, timersub, timerclear, timerisset, timercmp - operations on timeval structures
timerfd_create(3c): timerfd_create, timerfd_settime, timerfd_gettime — create and manipulate timers via a file descriptor interface
timespec_get(3c): timespec_get, timespec_getres — get time information
tmpfile(3c): tmpfile - create a temporary file
tmpnam(3c): tmpnam, tmpnam_r, tempnam - create a name for a temporary file
toascii(3c): toascii - translate integer to a 7-bit ASCII character
tolower(3c): tolower, tolower_l - transliterate upper-case characters to lower-case
toupper(3c): toupper, toupper_l - transliterate lower-case characters to upper-case
towlower(3c): towlower, towlower_l - transliterate upper-case wide characters to lower-case
towupper(3c): towupper, towupper_l - transliterate lower-case wide characters to upper-case
truncate(3c): truncate, ftruncate - set a file to a specified length
tsearch(3c): tsearch, tfind, tdelete, twalk - manage binary search trees
tss(3c): tss, tss_create, tss_delete, tss_get, tss_set — thread-specific storage
ttyname(3c): ttyname, ttyname_r - find pathname of a terminal
ttyslot(3c): ttyslot - find the slot of the current user in the user accounting database
u8_strcmp(3c): u8_strcmp - UTF-8 string comparison function
u8_textprep_str(3c): u8_textprep_str - string-based UTF-8 text preparation function
u8_validate(3c): u8_validate - validate UTF-8 characters and calculate the byte length
ualarm(3c): ualarm — schedule signal after interval in microseconds
ucontext_alloc(3c): ucontext_alloc, ucontext_free — allocate and free ucontext structures
uconv_u16tou32(3c): uconv_u16tou32, uconv_u16tou8, uconv_u32tou16, uconv_u32tou8, uconv_u8tou16, uconv_u8tou32 - Unicode encoding conversion functions
ucred(3c): ucred, ucred_get, ucred_free, ucred_geteuid, ucred_getruid, ucred_getsuid, ucred_getegid, ucred_getrgid, ucred_getsgid, ucred_getgroups, ucred_getprivset, ucred_getpid, ucred_getprojid, ucred_getzoneid, ucred_getpflags, ucred_getlabel, ucred_size - user credential functions
ungetc(3c): ungetc - push byte back into input stream
ungetwc(3c): ungetwc - push wide-character code back into input stream
unlockpt(3c): unlockpt — unlock a pseudo-terminal device pair
unsetenv(3c): unsetenv - remove an environment variable
uselocale(3c): uselocale - get and set the locale for an individual thread
usleep(3c): usleep — suspend execution for interval in microseconds
vfwprintf(3c): vfwprintf, vswprintf, vwprintf - wide-character formatted output of a stdarg argument list
vlfmt(3c): vlfmt - display error message in standard format and pass to logging and monitoring services
vpfmt(3c): vpfmt - display error message in standard format and pass to logging and monitoring services
vprintf(3c): vprintf, vfprintf, vsprintf, vsnprintf, vasprintf - print formatted output of a variable argument list
vsyslog(3c): vsyslog - log message with a stdarg argument list
wait(3c): wait - wait for child process to stop or terminate
wait3(3c): wait3, wait4 - wait for process to terminate or stop
waitpid(3c): waitpid - wait for child process to change state
walkcontext(3c): walkcontext, addrtosymstr, printstack, backtrace, backtrace_symbols, backtrace_symbols_fd - walk stack pointed to by ucontext
wcpcpy(3c): wcpcpy, wcpncpy — copy a wide-character string and return a pointer to its end
wcscasecmp(3c): wcscasecmp, wcscasecmp_l, wcsncasecmp, wcsncasecmp_l — case-insensitive wide-character string comparison
wcscoll(3c): wcscoll, wcscoll_l, wscoll - wide character string comparison using collating information
wcsdup(3c): wcsdup — duplicate wide-character string
wcsftime(3c): wcsftime - convert date and time to wide character string
wcslcat(3c): wcslcat — concatenate wide-character strings
wcslcpy(3c): wcslcpy — copy a wide-character string
wcslen(3c): wcslen, wcsnlen — get length of wide-character string
wcsrtombs(3c): wcsnrtombs, wcsnrtombs_l, wcsrtombs, wcsrtombs_l - convert a wide-character string to a character string (restartable)
wcsstr(3c): wcsstr - find a wide-character substring
wcstod(3c): wcstod, wcstof, wcstold, wstod, watof - convert wide character string to floating-point number
wcstoimax(3c): wcstoimax, wcstoumax - convert wide-character string to integer type
wcstol(3c): wcstol, wcstoll, wstol, watol, watoll, watoi - convert wide character string to long integer
wcstombs(3c): wcstombs, wcstombs_l — convert a wide-character string to a multibyte character string
wcstoul(3c): wcstoul, wcstoull - convert wide-character string to unsigned long
wcstring(3c): wcstring, wcscat, wscat, wcsncat, wsncat, wcscmp, wscmp, wcsncmp, wsncmp, wcscpy, wscpy, wcsncpy, wsncpy, wslen, wcschr, wschr, wcsrchr, wsrchr, windex, wrindex, wcspbrk, wspbrk, wcswcs, wcsspn, wsspn, wcscspn, wscspn, wcstok, wstok - wide-character string operations
wcswidth(3c): wcswidth, wcswidth_l — determine number of columns for wide-character string
wcsxfrm(3c): wcsxfrm, wsxfrm - wide character string transformation
wctob(3c): wctob, wctob_l - wide-character to single-byte conversion
wctomb(3c): wctomb, wctomb_l - convert a wide-character code to a character
wctrans(3c): towctrans, towctrans_l, wctrans, wctrans_l - define and perform transliteration mappings
wctype(3c): wctype, wctype_l - define character class
wcwidth(3c): wcwidth, wcwidth_l - number of column positions of a wide-character code
wmemchr(3c): wmemchr - find a wide-character in memory
wmemcmp(3c): wmemcmp - compare wide-characters in memory
wmemcpy(3c): wmemcpy - copy wide-characters in memory
wmemmove(3c): wmemmove - copy wide-characters in memory with overlapping areas
wmemset(3c): wmemset - set wide-characters in memory
wordexp(3c): wordexp, wordfree - perform word expansions
wsprintf(3c): wsprintf - formatted output conversion
wsscanf(3c): wsscanf - formatted input conversion
wstring(3c): wstring, wscasecmp, wsncasecmp, wsdup, wscol - Process Code string operations