Index (man pages section 3: Basic Library Functions)

man pages section 3: Basic Library Functions

Previous: Basic Library Functions


b

	binary output -- fwrite ( )


Numbers and Symbols

	__fbufsize -- interfaces to stdio FILE structure ( )

	__flbf -- interfaces to stdio FILE structure ( )

	__fpending -- interfaces to stdio FILE structure ( )

	__fpurge -- interfaces to stdio FILE structure ( )

	__freadable -- interfaces to stdio FILE structure ( )

	__freading -- interfaces to stdio FILE structure ( )

	__fsetlocking -- interfaces to stdio FILE structure ( )

	__fwritable -- interfaces to stdio FILE structure ( )

	__fwriting -- interfaces to stdio FILE structure ( )


A

	abort -- terminate the process abnormally ( )

	abs -- return absolute value of integer ( )

	accounting, time accounting for current process -- times ( )

	acquire and release stream lock -- flockfile ( )
		funlockfile ( )

	additional severities, define -- addsev ( )

	address of symbol, get address in shared object or executable -- dlsym ( )

	addsev -- define additional severities ( )

	addseverity -- build a list of severity levels for an application for use with fmtmsg ( )

	alarm, schedule signal after interval in microseconds -- ualarm ( )

	alphasort -- scan a directory ( )

	applications
		build a list of severity levels for use with fmtmsg -- addseverity ( )
		display a message on stderr or system console -- fmtmsg ( )
		get entries from symbol table -- nlist ( )

	arithmetic, compute the quotient and remainder -- div ( )

	arithmetic, 48-bit integer, generate uniformly distributed pseudo-random numbers -- drand48 ( )

	ascftime -- convert date and time to string ( )

	assert -- verify program assertion ( )

	associate a stream with a file descriptor -- fdopen ( )

	atexit -- register a function to run at process termination or object unloading ( )

	atof -- convert string to double-precision number ( )

	atoi -- string conversion routines ( )

	atol -- string conversion routines ( )

	atoll -- string conversion routines ( )

	attropen -- open a file ( )


B

	base-64 ASCII characters
		convert from long integer -- l64a ( )
		convert to long integer -- a64l ( )

	basename -- return the last element of path name ( )

	bcmp -- operates on variable length strings of bytes ( )

	bcopy -- operates on variable length strings of bytes ( )

	binary input -- fread ( )

	binary search of sorted table, -- bsearch ( )

	binary search trees, manage
		-- tdelete ( )
		-- tfind ( )
		-- tsearch ( )
		-- twalk ( )

	bind_textdomain_codeset -- message handling functions ( )

	bindtextdomain -- message handling functions ( )

	bit and byte operations, find first set bit -- ffs ( )

	bsd_signal -- simplified signal facilities ( )

	bsdmalloc -- memory allocator ( )

	bsearch -- binary search a sorted table ( )

	bstring -- bit and byte string operations ( )

	btowc -- single-byte to wide-character conversion ( )

	buffering, assign to stream
		-- setbuffer ( )
		-- setlinebuf ( )

	byte swap -- swab ( )

	bzero -- operates on variable length strings of bytes ( )


C

	C Compilation
		close a shared object -- dlclose ( )
		create new file from dynamic object component -- dldump ( )
		get address of symbol in shared object or executable -- dlsym ( )
		get diagnostic information -- dlerror ( )
		open a shared object -- dlopen ( )

	catclose -- close a message catalog ( )

	catgets -- read a program message ( )

	catopen -- open a message catalog ( )

	cfgetispeed -- get input baud rate ( )

	cfgetospeed -- get output baud rate ( )

	cfsetispeed -- set input baud rate ( )

	cfsetospeed -- set output baud rate ( )

	cftime -- convert date and time to string ( )

	character handling
		-- ctype ( )
		-- isalnum ( )
		-- isalpha ( )
		-- isascii ( )
		-- iscntrl ( )
		-- isdigit ( )
		-- isgraph ( )
		-- islower ( )
		-- isprint ( )
		-- ispunct ( )
		-- isspace ( )
		-- isupper ( )
		-- isxdigit ( )

	clock -- report CPU time used ( )

	close or iterate over open file descriptors -- closefrom ( )

	close or iterate over open file descriptors -- fdwalk ( )

	close a directory stream -- closedir ( )

	close a shared object -- dlclose ( )

	close a stream -- fclose ( )

	closedir -- close a directory stream ( )

	closefrom -- close or iterate over open file descriptors ( )

	closelog -- control system log ( )

	code conversion allocation function -- iconv_open ( )

	code conversion deallocation function -- iconv_close ( )

	code conversion for Process Code and File Code
		-- strtows ( )
		-- wstostr ( )

	code conversion function -- iconv ( )

	column positions of a wide-character code -- wcwidth ( )

	column positions of a wide-character string -- wcswidth ( )

	command options, get option letter from argument vector -- getopt ( )

	command suboptions, parse suboptions from a string -- getsubopt ( )

	compare wide-characters in memory -- wmemcmp ( )

	compile and execute regular expressions
		-- re_comp ( )
		-- re_exec ( )

	confstr -- get configurable variables ( )

	control system log
		-- closelog ( )
		-- openlog ( )
		-- setlogmask ( )
		-- syslog ( )

	convert date and time to string -- strftime ( )

	convert formatted input -- fscanf ( )

	convert formatted input -- scanf ( )

	convert formatted input -- sscanf ( )

	convert formatted input -- vfscanf ( )

	convert formatted input -- vscanf ( )

	convert formatted input -- vsscanf ( )

	convert formatted wide-character input -- fwscanf ( )

	convert formatted wide-character input -- swscanf ( )

	convert formatted wide-character input -- vfwscanf ( )

	convert formatted wide-character input -- vswscanf ( )

	convert formatted wide-character input -- vwscanf ( )

	convert formatted wide-character input -- wscanf ( )

	convert string to unsigned long -- strtoul ( )

	convert wide character string to double-precision number -- wcstod ( )

	convert date and time to string -- strftime
		ascftime ( )
		cftime ( )

	convert wide character string to double-precision number -- watof, watof ( )

	convert wide character string to double-precision number -- wstod, wstod ( )

	convert a character string to a wide-character string -- mbstowcs ( )

	convert a character string to a wide-character string (restartable) -- mbsrtowcs ( )

	convert a character to a wide-character code -- mbtowc ( )

	convert a character to a wide-character code (restartable) -- mbrtowc ( )

	convert a wide-character code to a character -- wctomb ( )

	convert a wide-character code to a character (restartable) -- wcrtomb ( )

	convert a wide-character string to a character string -- wcstombs ( )

	convert a wide-character string to a character string (restartable) -- wcsrtombs ( )

	convert date and time to wide character string -- wcsftime ( )

	convert floating-point number to string
		-- ecvt ( )
		-- fcvt ( )
		-- gcvt ( )

	convert monetary value to string --strfmon ( )

	convert numbers to strings
		-- econvert ( )
		-- fconvert ( )
		-- fprintf ( )
		-- gconvert ( )
		-- printf ( )
		-- qeconvert ( )
		-- qfconvert ( )
		-- qgconvert ( )
		-- seconvert ( )
		-- sfconvert ( )
		-- sgconvert ( )
		-- sprintf ( )
		-- vfprintf ( )
		-- vprintf ( )

	convert string to double-precision number
		-- atof ( )
		-- strtod ( )

	convert to wchar_t strings, wsprintf ( )

	convert wide character string to unsigned long -- wcstoul ( )

	copy wide-characters in memory -- wmemcpy ( )

	copy wide-characters in memory with overlapping areas -- wmemmove ( )

	CPU time, report for calling process -- clock ( )

	CPU-use, prepare execution profile -- monitor ( )

	create a temporary file -- tmpfile ( )

	create new file from dynamic object component -- dldump ( )

	crypt -- string encoding function ( )

	cset -- get information on EUC codesets ( )

	csetcol -- get information on EUC codesets ( )

	csetlen -- get information on EUC codesets ( )

	csetno -- get information on EUC codesets ( )

	ctermid -- generate path name for controlling terminal ( )

	ctermid_r -- generate path name for controlling terminal ( )

	ctype -- character handling ( )

	current location of a named directory stream -- telldir ( )

	current working directory, get pathname -- getcwd ( )

	cuserid -- get character-string representation of login name of user ( )


D

	data base subroutines -- dbm ( )
		dbmclose ( )
		dbminit ( )
		delete ( )
		fetch ( )
		firstkey ( )
		nextkey ( )
		store ( )

	database functions -- dbm_clearerr ( )

	database functions -- dbm_close ( )

	database functions -- dbm_delete ( )

	database functions -- dbm_error ( )

	database functions -- dbm_fetch ( )

	database functions -- dbm_firstkey ( )

	database functions -- dbm_nextkey ( )

	database functions -- dbm_open ( )

	database functions -- dbm_store ( )

	database functions -- ndbm ( )

	date and time
		convert to string -- asctime ( )
		convert to string -- asctime_r ( )
		convert to string -- ctime ( )
		convert to string -- ctime_r ( )
		convert to string -- gmtime ( )
		convert to string -- gmtime_r ( )
		convert to string -- localtime ( )
		convert to string -- localtime_r ( )
		convert to string -- tzset ( )
		convert user format date and time -- getdate ( )
		-- gettimeofday ( ) ( )

	date and time conversion -- strptime ( )

	dbm -- data base subroutines ( )

	dbm_clearerr -- database functions ( )

	dbm_close -- database functions ( )

	dbm_delete -- database functions ( )

	dbm_error -- database functions ( )

	dbm_fetch -- database functions ( )

	dbm_firstkey -- database functions ( )

	dbm_nextkey -- database functions ( )

	dbm_open -- database functions ( )

	dbm_store -- database functions ( )

	dbmclose -- data base subroutines ( )

	dbminit -- data base subroutines ( )

	dcgettext -- message handling functions ( )

	dcngettext -- message handling functions ( )

	debugging memory allocator
		-- calloc ( )
		-- cfree ( )
		-- free ( )
		-- mallinfo ( )
		-- malloc ( )
		-- mallopt ( )
		-- memalign ( )
		-- realloc ( )
		-- valloc ( )

	decimal record from double-precision floating -- double_to_decimal ( )

	decimal record from extended-precision floating -- extended_to_decimal ( )

	decimal record from quadruple-precision floating -- quadruple_to_decimal ( )

	decimal record from single-precision floating -- single_to_decimal ( )

	decimal record to double-precision floating -- decimal_to_double ( )

	decimal record to extended-precision floating -- decimal_to_extended ( )

	decimal record to quadruple-precision floating -- decimal_to_quadruple ( )

	decimal record to single-precision floating -- decimal_to_single ( )

	decimal_to_double -- decimal record to double-precision floating ( )

	decimal_to_extended -- decimal record to extended-precision floating ( )

	decimal_to_quadruple -- decimal record to quadruple-precision floating ( )

	decimal_to_single -- decimal record to single-precision floating ( )

	decompose floating-point number
		-- modf ( )
		-- modff ( )

	define character class -- wctype ( )

	define character mapping -- wctrans ( )

	define default catalog -- setcat ( )

	define the label for pfmt() and lfmt(). -- setlabel ( )

	delete -- data base subroutines ( )

	detach a name from a STREAMS-based file descriptor -- fdetach ( )

	determine conversion object status -- mbsinit ( )

	device number, manage -- makedev, major, minor ( )

	dgettext -- message handling functions ( )

	difftime -- computes the difference between two calendar times ( )

	directio -- provide advice to file system ( )

	directories
		get current working directory pathname -- getwd ( )
		get pathname of current working directory -- getcwd ( )

	directory operations
		-- alphasort ( )
		-- scandir ( )

	dirname -- report parent directory name of file path name ( )

	display error message in standard format -- pfmt ( )

	display error message in standard format and pass to logging and monitoring services -- lfmt ( )

	display error message in standard format and pass to logging and monitoring services -- vlfmt ( )

	display error message in standard format and pass to logging and monitoring services -- vpfmt ( )

	div -- compute quotient and remainder ( )

	division and remainder operations
		-- div ( )
		-- ldiv ( )

	dladdr -- translate address to symbolic information ( )

	dladdr1 -- translate address to symbolic information ( )

	dlclose -- close a shared object ( )

	dldump -- create new file from dynamic object component of calling process ( )

	dlerror -- get diagnostic information ( )

	dlinfo -- dynamic load information ( )

	dlopen -- open a shared object ( )

	dlsym -- get address of symbol in shared object or executable ( )

	dngettext -- message handling functions ( )

	double_to_decimal -- decimal record from double-precision floating ( )

	dup2 -- duplicate an open file descriptor ( )

	duplicate an open file descriptor -- dup2 ( )

	dynamic linking
		close a shared object -- dlclose ( )
		create new file from dynamic object component -- dldump ( )
		get address of symbol in shared object or executable -- dlsym ( )
		get diagnostic information -- dlerror ( )
		open a shared object -- dlopen ( )

	dynamic load information -- dlinfo ( )


E

	econvert -- convert number to ASCII ( )

	edata -- last location in program ( )

	end -- last location in program ( )

	endgrent -- group database entry functions ( )

	endpwent -- get password entry from user database ( )

	endspent -- get shadow password database entry ( )

	endusershell() -- function ( )

	endutent -- user accounting database functions ( )

	endutxent -- user accounting database functions ( )

	environment name, return value -- getenv ( )

	environment variables, change or add value -- putenv ( )

	error messages, get string -- strerror ( )

	error messages, system, print -- perror ( )

	etext -- last location in program ( )

	EUC character bytes, -- euclen ( )

	EUC characters, convert a string of Process Code characters to EUC characters and put it on a stream -- putws ( )

	EUC codeset, get information, -- getwidth ( )

	EUC codesets, get information
		-- cset ( )
		-- csetcol ( )
		-- csetlen ( )
		-- csetno ( )
		-- wcsetno ( )

	EUC display width
		-- euccol ( )
		-- eucscol ( )

	euccol -- get EUC character display width ( )

	euclen -- get EUC byte length ( )

	eucscol -- get EUC string display width ( )

	exit -- terminate process ( )

	extended_to_decimal -- decimal record from extended-precision floating ( )

	Extended Unix Code
		See EUC

	extract mantissa and exponent from double precision number -- frexp ( )


F

	fattach -- attach a STREAMS-based file descriptor to an object in the file system name space ( )

	fclose -- close a stream ( )

	fconvert -- convert number to ASCII ( )

	FD_CLR -- synchronous I/O multiplexing ( )

	FD_ISSET -- synchronous I/O multiplexing ( )

	FD_SET -- synchronous I/O multiplexing ( )

	FD_ZERO -- synchronous I/O multiplexing ( )

	fdetach -- detach a name from a STREAMS-based file descriptor ( )

	fdopen -- associate a stream with a file descriptor ( )

	fdopendir -- open directory ( )

	fdwalk -- close or iterate over open file descriptors ( )

	fetch -- data base subroutines ( )

	fflush -- flush a stream ( )

	ffs -- find first set bit ( )

	fgetc -- get a byte from a stream ( )

	fgetgrent -- group database entry functions ( )

	fgetgrent_r -- group database entry functions ( )

	fgetpos -- get current file position information ( )

	fgetpwent -- get password entry from a file ( )

	fgetpwent_r -- get password entry from a file ( )

	fgetspent -- get shadow password database entry ( )

	fgetspent_r -- get shadow password database entry(reentrant) ( )

	fgetwc -- get a wide-character code from a stream ( )

	fgetws -- get a wide-character string from a stream ( )

	file descriptor
		duplicate an open one -- dup2 ( )
		STREAMS-based, attach to an object in file system name space -- fattach ( )
		test for a STREAMS file -- isastream ( )

	file descriptors, apply or remove advisory lock on open file -- flock ( )

	file name, make a unique one -- mktemp ( )

	make a unique file name -- mkstemp ( )

	file pointer in a stream, reposition -- fsetpos, fgetpos ( )

	file_to_decimal -- decimal record from character stream ( )

	file tree
		recursively descend -- ftw ( )
		recursively descend -- nftw ( )

	files
		allows sections of file to be locked -- lockf ( )
		optimizing usage of files -- directio ( )
		-- remove ( )
		report parent directory of file path name -- dirname ( )
		set a file to a specified length -- truncate ( )

	find a wide-character in memory -- wmemchr ( )

	find a wide-character substring -- wcsstr ( )

	find pathname of a terminal
		-- ttyname ( )
		-- ttyname_r ( )

	firstkey -- data base subroutines ( )

	floating-point number, convert to string -- ecvt ( )

	floating-point number, determine type
		-- finite ( )
		-- fpclass ( )
		-- isnan ( )
		-- isnand ( )
		-- isnanf ( )
		-- unordered ( )

	flock -- apply or remove an advisory lock on an open file ( )

	flockfile -- acquire and release stream lock ( )

	flush a stream -- fflush ( )

	flush non-transmitted output data, non-read input data or both -- tcflush ( )

	_flushlbf -- interfaces to stdio FILE structure ( )

	fmtmsg -- display a message on stderr or system console ( )

	fnmatch -- match filename or path name ( )

	fopen -- open a stream ( )

	fopen -- open stream ( )

	formatted input conversion -- wsscanf ( )

	formatted output conversion
		-- fprintf ( )
		-- printf ( )
		-- sprintf ( )
		-- vfprintf ( )
		-- vprintf ( )
		-- vsprintf ( )

	fpgetmask -- IEEE floating-point environment control ( )

	fpgetround -- IEEE floating-point environment control ( )

	fpgetsticky -- IEEE floating-point environment control ( )

	fprintf -- formatted output conversion ( )

	fprintf -- print formatted output ( )

	fpsetmask -- IEEE floating-point environment control ( )

	fpsetround -- IEEE floating-point environment control ( )

	fpsetsticky --IEEE floating-point environment control ( )

	fputc -- put a byte on a stream ( )

	fputwc -- put wide-character code on a stream ( )

	fputws -- put wide character string on a stream ( )

	fread -- binary input ( )

	free -- memory allocator ( )

	freopen -- open a stream ( )

	freopen -- open stream ( )

	frexp -- extract mantissa and exponent from double precision number ( )

	fscanf -- convert formatted input ( )

	fseek -- reposition a file-position indicator in a stream ( )

	fseeko -- reposition a file-position indicator in a stream ( )

	fsetpos -- reposition a file pointer in a stream ( )

	fsync -- synchronize changes to a file ( )

	ftell -- return a file offset in a stream ( )

	ftello -- return a file offset in a stream ( )

	ftime -- get date and time ( )

	ftruncate -- set a file to a specified length ( )

	ftw -- walk a file tree ( )

	func_to_decimal -- decimal record from character function ( )

	funlockfile -- acquire and release stream lock ( )

	fwide -- set stream orientation ( )

	fwprintf -- print formatted wide-character output ( )

	fwrite -- binary output ( )

	fwscanf -- convert formatted wide-character input ( )


G

	gconvert -- convert number to ASCII ( )

	general terminal interface, -- termios ( )

	generate path name for controlling terminal
		-- ctermid ( )
		-- ctermid_r ( )

	generate path names matching a pattern
		-- glob ( )
		-- globfree ( )

	get a wide-character string from a stream -- fgetws ( )

	get a wide-character string from a stream -- getws ( )

	get mnttab file information -- getextmntent ( )

	get mnttab file information -- getmntany ( )

	get mnttab file information -- getmntent ( )

	get mnttab file information -- hasmntopt ( )

	get mnttab file information -- putmntent ( )

	get mnttab file information -- resetmnttab ( )

	get a byte from a stream
		-- fgetc ( )
		-- getc ( )
		-- getc_unlocked ( )
		-- getchar ( )
		-- getchar_unlocked ( )
		-- getw ( )

	get a wide-character code from a stream -- fgetwc ( )

	get address of symbol in shared object or executable -- dlsym ( )

	get an identifier for the current host -- gethostid ( )

	get configurable variables -- confstr ( )

	get current file position information -- fgetpos ( )

	get diagnostic information -- dlerror ( )

	get foreground process group ID -- tcgetpgrp ( )

	get input baud rate, -- cfgetispeed ( )

	get name of signal -- strsignal ( )

	get number of bytes in a character -- mblen ( )

	get number of bytes in a character (restartable) -- mbrlen ( )

	get or set process scheduling priority
		-- getpriority ( )
		-- setpriority ( )

	get output baud rate, -- cfgetospeed ( )

	get process group ID for session leader for controlling terminal -- tcgetsid ( )

	get system load averages -- getloadavg ( )

	get system load averages for a processor set -- pset_getloadavg ( )

	get the parameters associated with the terminal -- tcgetattr ( )

	get wide character from a stream -- getwc ( )

	get wide character from stdin stream -- getwchar ( )

	getc -- get a byte from a stream ( )

	getc_unlocked -- get a byte from a stream ( )

	getchar -- get a byte from a stream ( )

	getchar_unlocked -- get a byte from a stream ( )

	getcpuid -- obtain information on scheduling decisions ( )

	getcwd -- get pathname of current working directory ( )

	getdate -- convert user format date and time ( )
		General Specifications ( )
		Internal Format Conversion ( )
		Modified Conversion Specifications ( )

	getenv -- return value for environment name ( )

	getexecname -- return pathname of executable ( )

	getextmntent -- get mnttab file information ( )

	getgrent -- group database entry functions ( )

	getgrent_r -- group database entry functions ( )

	getgrgid -- group database entry functions ( )

	getgrgid_r -- group database entry functions ( )

	getgrnam -- group database entry functions ( )

	getgrnam_r -- group database entry functions ( )

	gethomelgroup -- obtain information on scheduling decisions ( )

	gethostid -- get an identifier for the current host ( )

	gethostname -- get name of current host ( )

	gethrtime -- get high resolution real time ( )

	gethrvtime -- get high resolution virtual time ( )

	getloadavg -- get system load averages ( )

	getlogin -- get login name ( )

	getlogin_r -- get login name ( )

	getmntany -- get mnttab file information ( )

	getmntent -- get mnttab file information ( )

	getopt -- get option letter from argument vector ( )

	getpagesize -- get system page size ( )

	getpass -- read a string of characters without echo ( )

	getpassphrase -- read a string of characters without echo ( )

	getpriority -- get or set process scheduling priority ( )

	getpw -- get passwd entry from UID ( )

	getpwent -- get password entry from user database ( )

	getpwent_r -- get password entry from user database ( )

	getpwnam -- get password entry from user database ( )

	getpwnam_r -- get password entry from user database ( )

	getpwuid -- get password entry from user database ( )

	getpwuid_r -- get password entry from user database ( )

	getrusage -- get information about resource utilization ( )

	getspent -- get shadow password database entry ( )

	getspent_r -- get shadow password database entry (reentrant) ( )

	getspnam -- get shadow password database entry ( )

	getspnam_r -- get shadow password database entry (reentrant) ( )

	getsubopt -- parse suboptions from a string ( )

	gettext -- message handling functions ( )

	gettimeofday -- get date and time ( )

	gettimeofday -- get system's notion of current Greenwich time ( )

	gettxt -- retrieve a text string ( )

	getusershell() -- get legal user shells ( )

	getutent -- user accounting database functions ( )

	getutid -- user accounting database functions ( )

	getutline -- user accounting database functions ( )

	getutmp -- user accounting database functions ( )

	getutmpx -- user accounting database functions ( )

	getutxent -- user accounting database functions ( )

	getutxid -- user accounting database functions ( )

	getutxline -- user accounting database functions ( )

	getvfsany -- get vfstab file entry ( )

	getvfsent -- get vfstab file entry ( )

	getvfsfile -- get vfstab file entry ( )

	getvfsspec -- get vfstab file entry ( )

	getw -- get a byte from a stream ( )

	getwc -- get wide character from a stream ( )

	getwchar -- get wide character from stdin stream ( )

	getwd -- get current working directory pathname ( )

	getwidth -- get codeset information ( )

	getws -- get a wide-character string from a stream ( )

	glob -- generate path names matching a pattern ( )

	globfree -- generate path names matching a pattern ( )

	grantpt -- grant access to the slave pseudo-terminal device ( )

	group database entry functions -- endgrent ( )

	group database entry functions -- fgetgrent ( )

	group database entry functions -- fgetgrent_r ( )

	group database entry functions -- getgrent ( )

	group database entry functions -- getgrent_r ( )

	group database entry functions -- getgrgid ( )

	group database entry functions -- getgrgid_r ( )

	group database entry functions -- getgrnam ( )

	group database entry functions -- getgrnam_r ( )

	group database entry functions -- setgrent ( )

	group IDs, supplementary, initialize -- initgroups ( )


H

	halt system processor, -- reboot ( )

	hash-table search routine, -- hsearch ( )

	hasmntopt -- get mnttab file information ( )

	hcreate -- create hash table ( )

	hdestroy -- destroy hash table ( )

	host name
		get name of current host -- gethostname ( )
		set name of current host -- sethostname ( )

	hsearch -- hash-table search routine ( )


I

	I/O multiplexing, synchronous, -- select ( )

	I/O package, standard buffered I/O -- stdio ( )

	iconv -- code conversion function ( )

	iconv_close -- code conversion deallocation function ( )

	iconv_open -- code conversion allocation function ( )

	IEEE arithmetic, convert floating-point number to string -- ecvt ( )

	IEEE floating-point environment control
		-- fpgetmaks ( )
		-- fpgetround ( )
		-- fpgetsticky ( )
		-- fpsetmask ( )
		-- fpsetround ( )
		-- fpsetsticky ( )

	index -- string operations ( )

	initgroups -- initialize the supplementary group access list ( )

	initstate -- pseudorandom number functions ( )

	input conversion, convert from wchar_t string -- wsscanf ( )

	input/output package, standard buffered I/O -- stdio ( )

	insque -- insert element to a queue ( )

	interfaces to stdio FILE structure -- _flushlbf ( )

	interfaces to stdio FILE structure -- __fbufsize ( )

	interfaces to stdio FILE structure -- __flbf ( )

	interfaces to stdio FILE structure -- __fpending ( )

	interfaces to stdio FILE structure -- __fpurge ( )

	interfaces to stdio FILE structure -- __freadable ( )

	interfaces to stdio FILE structure -- __freading ( )

	interfaces to stdio FILE structure -- __fsetlocking ( )

	interfaces to stdio FILE structure -- __fwritable ( )

	interfaces to stdio FILE structure -- __fwriting ( )

	invoke isa-specific executable -- isaexec ( )

	isaexec -- invoke isa-specific executable ( )

	isalnum -- character handling ( )

	isalpha -- character handling ( )

	isascii -- character handling ( )

	isatty -- test for a terminal device ( )

	isdigit -- character handling ( )

	isenglish -- wide-character code classification functions ( )

	isgraph -- character handling ( )

	isideogram -- wide-character code classification functions ( )

	islower -- character handling ( )

	isnumber -- wide-character code classification functions ( )

	isphonogram -- wide-character code classification functions ( )

	isprint -- character handling ( )

	ispunct -- character handling ( )

	isspace -- character handling ( )

	isspecial -- wide-character code classification functions ( )

	isupper -- character handling ( )

	iswalnum -- wide-character code classification functions ( )

	iswalpha -- wide-character code classification functions ( )

	iswascii -- wide-character code classification functions ( )

	iswcntrl -- wide-character code classification functions ( )

	iswctype -- test character for specified class ( )

	iswdigit -- wide-character code classification functions ( )

	iswgraph -- wide-character code classification functions ( )

	iswlower -- wide-character code classification functions ( )

	iswprint -- wide-character code classification functions ( )

	iswpunct -- wide-character code classification functions ( )

	iswspace -- wide-character code classification functions ( )

	iswupper -- wide-character code classification functions ( )

	iswxdigit -- wide-character code classification functions ( )

	isxdigit -- character handling ( )


K

	killpg -- send signal to a process group ( )


L

	labs -- return absolute value of long integer ( )

	language information -- nl_langinfo ( )

	ldexp -- load exponent of a floating point number ( )

	ldiv -- compute quotient and remainder ( )

	lfmt -- display error message in standard format and pass to logging and monitoring services ( )

	linear search and update routine
		-- lfind ( )
		-- lsearch ( )

	llabs -- return absolute value of long long integer ( )

	lldiv -- compute quotient and remainder ( )

	lltostr -- string conversion routines ( )

	load exponent of a floating point number -- ldexp ( )

	locale, modify and query a program's locale -- setlocale ( )

	localeconv -- get numeric formatting information ( )

	lock, apply or remove advisory lock on open file -- flock ( )

	lock address space, -- mlockall ( )

	lock memory pages, -- mlock ( )

	lockf -- allows sections of file to be locked ( )

	log message with a stdarg argument list -- vsyslog ( )

	login name
		-- getlogin ( )
		-- getlogin_r ( )

	longjmp -- non-local goto ( ) ( )

	_longjmp -- non-local goto ( ) ( )


M

	madvise -- provide advice to VM system ( )

	make a FIFO special file -- mkfifo ( )

	make modified instructions executable -- sync_instruction_memory ( )

	makecontext -- manipulate user contexts ( )

	malloc -- memory allocator ( )

	mallocctl -- MT hot memory allocator ( )

	manipulate resource control blocks -- rctlblk_get_enforced_value ( )

	manipulate resource control blocks -- rctlblk_get_firing_time ( )

	manipulate resource control blocks -- rctlblk_get_global_action ( )

	manipulate resource control blocks -- rctlblk_get_global_flags ( )

	manipulate resource control blocks -- rctlblk_get_local_action ( )

	manipulate resource control blocks -- rctlblk_get_local_flags ( )

	manipulate resource control blocks -- rctlblk_get_privilege ( )

	manipulate resource control blocks -- rctlblk_get_recipient_pid ( )

	manipulate resource control blocks -- rctlblk_get_value ( )

	manipulate resource control blocks -- rctlblk_set_local_action ( )

	manipulate resource control blocks -- rctlblk_set_local_flags ( )

	manipulate resource control blocks -- rctlblk_set_privilege ( )

	manipulate resource control blocks -- rctlblk_set_value ( )

	manipulate resource control blocks -- rctlblk_size ( )

	manipulate sets of signals -- sigsetops ( )
		sigaddset ( )
		sigdelset ( )
		sigemptyset ( )
		sigfillset ( )
		sigismember ( )

	match filename or path name -- fnmatch ( )

	mblen -- get number of bytes in a character ( )

	mbrlen -- get number of bytes in a character (restartable) ( )

	mbrtowc -- convert a character to a wide-character code (restartable) ( )

	mbsinit -- determine conversion object status ( )

	mbsrtowcs -- convert a character string to a wide-character string (restartable) ( )

	mbstowcs -- convert a character string to a wide-character string ( )

	mbtowc -- convert a character to a wide-character code ( )

	mctl -- memory management control ( )

	memory -- memory operations ( )

	memory, optimizing usage of user mapped memory -- madvise ( )

	memory allocator -- bsdmalloc ( )

	memory allocator
		-- alloca ( )
		-- calloc ( ) ( ) ( )

	memory allocator -- bsdmalloc
		free ( )

	memory allocator
		-- free ( ) ( ) ( )
		-- mallinfo ( )

	memory allocator -- bsdmalloc
		malloc ( )

	memory allocator
		-- malloc ( ) ( ) ( )
		-- mallopt ( )
		-- memalign ( )

	memory allocator -- bsdmalloc
		realloc ( )

	memory allocator
		-- realloc ( ) ( ) ( )
		-- valloc ( )

	memory lock or unlock, calling process -- plock ( )

	memory management -- mctl ( )

	memory management
		get system page size -- getpagesize ( )
		lock address space -- mlockall ( )
		lock pages in memory -- mlock ( )
		synchronize memory with physical storage -- msync ( )
		unlock address space -- munlockall ( )
		unlock pages in memory -- munlock ( )

	memory operations
		-- memccpy ( )
		-- memchr ( )
		-- memcmp ( )
		-- memcpy ( )
		-- memmove ( )
		-- memory ( )
		-- memset ( )

	message handling functions -- bindtextdomain ( )

	message handling functions -- bind_textdomain_codeset ( )

	message handling functions -- dcgettext ( )

	message handling functions -- dcngettext ( )

	message handling functions -- dgettext ( )

	message handling functions -- dngettext ( )

	message handling functions -- gettext ( )

	message handling functions -- ngettext ( )

	message handling functions -- textdomain ( )

	message catalog
		open/catalog -- catopen, catclose ( )
		read a program message -- catgets ( )

	messages
		display a message on stderr or system console -- fmtmsg ( )
		print system error messages -- perror ( )
		system signal messages -- psignal ( )

	mkfifo -- make a FIFO special file ( )

	mkstemp -- make a unique file name ( )

	mktemp -- make a unique file name ( )

	mktime -- converts a tm structure to a calendar time ( )

	modf -- decompose floating-point number ( )

	modff -- decompose floating-point number ( )

	monitor -- prepare process execution profile ( )

	msync -- synchronize memory with physical storage ( )

	MT hot memory allocator -- mallocctl ( )

	MT hot memory allocator -- mtmalloc ( )

	mtmalloc -- MT hot memory allocator ( )


N

	ndbm -- database functions ( )

	network group entry
		-- endnetgrent ( )
		-- getnetgrent ( )
		-- getnetgrent_r ( )
		-- innetgr ( )
		-- setnetgrent ( )

	nextkey -- data base subroutines ( )

	nftw -- walk a file tree ( )

	ngettext -- message handling functions ( )

	nice -- change priority of a process ( )

	nl_langinfo -- language information ( )

	nlist -- get entries from symbol table ( )

	non-local goto -- setjmp ( ) ( )
		_longjmp ( )
		longjmp ( ) ( )
		_setjmp ( )
		siglongjmp ( )
		sigsetjmp ( )

	non-local goto
		-- _longjmp ( )
		-- _setjmp ( )

	numbers, convert to strings -- econvert ( )


O

	obtain information on scheduling decisions -- getcpuid ( )

	obtain information on scheduling decisions -- gethomelgroup ( )

	offsetof -- offset of structure member ( )

	open a shared object -- dlopen ( )

	open directory -- fdopendir ( )

	open directory -- opendir ( )

	open a file -- attropen ( )

	open a stream -- fopen ( )

	open a stream -- freopen ( )

	opendir -- open directory ( )

	openlog -- control system log ( )

	output conversion, wsprintf -- convert to wchar_t string ( )

	output conversion, formatted
		-- fprintf ( )
		-- printf ( )
		-- sprintf ( )
		-- vfprintf ( )
		-- vprintf ( )
		-- vsprintf ( )


P

	page size, system, get -- getpagesize ( )

	password databases
		lock the lock file -- lckpwdf ( )
		unlock the lock file -- ulckpwdf ( )

	passwords
		get password entry from a file -- fgetpwent ( )
		get password entry from a file -- fgetpwent_r ( )
		get password entry in user database -- endpwent ( )
		get password entry in user database -- getpwent ( )
		get password entry in user database -- getpwent_r ( )
		get password entry in user database -- getpwnam ( )
		get password entry in user database -- getpwnam_r ( )
		get password entry in user database -- getpwuid ( )
		get password entry in user database -- getpwuid_r ( )
		get password entry in user database -- setpwent ( )
		get passwd entry from UID -- getpw ( )
		write password file entry -- putpwent ( )

	passwords, shadow
		get shadow password database entry -- endspent ( )
		get shadow password database entry -- fgetspent ( )
		get shadow password database entry -- getspent ( )
		get shadow password database entry -- getspnam ( )
		get shadow password database entry -- setspent ( )
		get shadow password database entry (reentrant) -- fgetspent_r ( )
		get shadow password database entry (reentrant) -- getspent_r ( )
		get shadow password database entry (reentrant) -- getspnam_r ( )
		write shadow password file entry -- putspent ( )

	path name, return last element -- path name ( )

	pclose -- initiate pipe to/from a process ( )

	perform word expansions
		-- wordexp ( )
		-- wordfree ( )

	perror -- print system error messages ( )

	pfmt -- display error message in standard format ( )

	pipes
		initiate to/from a process -- pclose ( )
		initiate to/from a process -- popen ( )

	plock -- lock or unlock into memory process, text, or data ( )

	popen -- initiate pipe to/from a process ( )

	print formatted output
		-- fprintf ( )
		-- printf ( )
		-- snprintf ( )
		-- sprintf ( )

	print formatted output of a variable argument list
		-- vfprintf ( )
		-- vprintf ( )
		-- vsnprintf ( )
		-- vsprintf ( )

	print formatted wide-character output
		-- fwprintf ( )
		-- swprintf ( )
		-- wprintf ( )

	printf -- formatted output conversion ( )

	printf -- print formatted output ( )

	printstack -- walk stack pointed to by ucontext ( )

	Process Code string operations -- wstring ( )

	Process Code string operations -- wscasecmp, wscasecmp ( )

	Process Code string operations -- wscol, wscol ( )

	Process Code string operations -- wsdup, wsdup ( )

	Process Code string operations -- wsncasecmp, wsncasecmp ( )

	process statistics, prepare execution profile -- monitor ( )

	processes
		change priority -- nice ( )
		duplicate an open file descriptor -- dup2 ( )
		generate path name for controlling terminal -- ctermid, ctermid_r ( )
		get character-string representation -- cuserid ( )
		initiate pipe to/from a process -- popen, pclose ( )
		manipulate user contexts -- makecontext, swapcontext ( )
		memory lock or unlock -- plock ( )
		prepare execution profile -- monitor ( )
		report CPU time used -- clock ( )
		send signal to a process group -- killpg ( )
		send signal to program -- raise ( )
		suspend execution for interval -- sleep ( )
		terminate process -- exit ( )
		terminate the process abnormally -- abort ( )
		wait for process to terminate or stop -- WIFEXITED ( )
		wait for process to terminate or stop -- WIFSIGNALED ( )
		wait for process to terminate or stop -- WIFSTOPPED ( )
		wait for process to terminate or stop -- wait ( )

	profiling utilities, prepare process execution profile -- monitor ( )

	program assertion, verify -- assert ( )

	program messages
		open/close a message catalog -- catopen, catclose ( )
		read -- catgets ( )

	programs, last locations -- end, etext, edata ( )

	pset_getloadavg -- get system load averages for a processor set ( )

	pseudo-terminal device
		get name of the slave pseudo-terminal device -- ptsname ( )
		grant access to the slave pseudo-terminal device -- grantpt ( )

	pseudorandom number functions
		-- initstate ( )
		-- random ( )
		-- setstate ( )
		-- srandom ( )

	psiginfo -- system signal messages ( )

	psignal -- system signal messages ( ) ( )

	ptsname -- get name of the slave pseudo-terminal device ( )

	push byte back into input stream -- ungetc ( )

	push wide-character code back into input stream -- ungetwc ( )

	put wide-character code on a stream -- fputwc ( )

	put wide-character code on a stream -- putwc ( )

	put wide-character code on a stream -- putwchar ( )

	put a byte on a stream
		-- fputc ( )
		-- putc ( )
		-- putc_unlocked ( )
		-- putchar ( )
		-- putchar_unlocked ( )
		-- putw ( )

	put wide character string on a stream -- fputws ( )

	putc -- put a byte on a stream ( )

	putc_unlocked -- put a byte on a stream ( )

	putchar -- put a byte on a stream ( )

	putchar_unlocked -- put a byte on a stream ( )

	putenv -- change or add value to environment ( )

	putmntent -- get mnttab file information ( )

	putpwent -- write password file entry ( )

	putspent -- write shadow password file entry ( )

	pututline -- user accounting database functions ( )

	pututxline -- user accounting database functions ( )

	putw -- put a byte on a stream ( )

	putwc -- put wide-character code on a stream ( )

	putwchar -- put wide-character code on a stream ( )

	putws -- convert a string of Process Code characters to EUC characters and put it on a stream ( )


Q

	qeconvert -- convert number to ASCII ( )

	qfconvert -- convert number to ASCII ( )

	qgconvert -- convert number to ASCII ( )

	qsort -- quick sort ( )

	quadruple_to_decimal -- decimal record from quadruple-precision floating ( )

	queues, insert/remove element from a queue -- insque, remque ( )


R

	raise -- send signal to program ( )

	rand -- simple random number generator ( )

	rand -- simple random-number generator ( )

	random -- pseudorandom number functions ( )

	random number generator
		-- drand48 ( )
		-- erand48 ( )
		-- jrand48 ( )
		-- lcong48 ( )
		-- lrand48 ( )
		-- mrand48 ( )
		-- nrand48 ( )
		-- rand ( )
		-- seed48 ( )
		-- srand48 ( )

	random number generator, simple
		-- rand ( )
		-- srand ( )

	rctl_walk -- visit registered rctls on current system ( )

	rctlblk_get_enforced_value -- manipulate resource control blocks ( )

	rctlblk_get_firing_time -- manipulate resource control blocks ( )

	rctlblk_get_global_action -- manipulate resource control blocks ( )

	rctlblk_get_global_flags -- manipulate resource control blocks ( )

	rctlblk_get_local_action -- manipulate resource control blocks ( )

	rctlblk_get_local_flags -- manipulate resource control blocks ( )

	rctlblk_get_privilege -- manipulate resource control blocks ( )

	rctlblk_get_recipient_pid -- manipulate resource control blocks ( )

	rctlblk_get_value -- manipulate resource control blocks ( )

	rctlblk_set_local_action -- manipulate resource control blocks ( )

	rctlblk_set_local_flags -- manipulate resource control blocks ( )

	rctlblk_set_privilege -- manipulate resource control blocks ( )

	rctlblk_set_value -- manipulate resource control blocks ( )

	rctlblk_size -- manipulate resource control blocks ( )

	re_comp -- compile and execute regular expressions ( )

	re_exec -- compile and execute regular expressions ( )

	read a string of characters without echo -- getpass ( )

	read a directory entry -- readdir ( )

	read a string of characters without echo, -- getpassphrase ( )

	read directory
		-- readdir ( )
		-- readdir_r ( )

	readdir -- read a directory entry ( )

	readdir -- read directory ( )
		POSIX ( )

	readdir_r -- read directory ( )

	realloc -- memory allocator ( )

	realpath -- resolve pathname ( )

	reboot -- reboot system or halt processor ( )

	regcmp -- compile regular expression ( )

	regcomp -- regular expression matching ( )

	regerror -- regular expression matching ( )

	regex -- execute regular expression ( )

	regexec -- regular expression matching ( )

	regfree -- regular expression matching ( )

	register a function to run at process termination or object unloading-- atexit ( )

	regular expression matching
		-- regcomp ( )
		-- regerror ( )
		-- regexec ( )
		-- regfree ( )

	regular expressions, compile and execute -- regcmp, regex ( )

	remove -- remove file ( )

	remque -- remove elment from a queue ( )

	reposition a file-position indicator in a stream
		-- fseek ( )
		-- fseeko ( )

	reset file position indicator in a stream -- rewind ( )

	reset position of directory stream to the beginning of a directory -- rewinddir ( )

	resetmnttab -- get mnttab file information ( )

	resolve pathname -- realpath ( )

	resource utilization, get information -- getrusage ( )

	return a file offset for a file descriptor -- tell ( )

	return a file offset in a stream
		-- ftell ( )
		-- ftello ( )

	return pathname of executable -- getexecname ( )

	rewind -- reset file position indicator in a stream ( )

	rewinddir -- reset position of directory stream to the beginning of a directory ( )

	rindex -- string operations ( )


S

	scan a directory
		-- alphasort ( )
		-- scandir ( )

	scandir -- scan a directory ( )

	scanf -- convert formatted input ( )
		Conversion Characters ( )
		Conversion Specifications ( )

	scheduling priority, change priority of a process -- nice ( )

	search functions
		binary search a sorted table -- bsearch ( )
		linear search and update routine -- lsearch, lfind ( )
		manage hash search tables -- hsearch ( )

	seconvert -- convert number to ASCII ( )

	seekdir -- set position of directory stream ( )

	select -- synchronous I/O multiplexing ( )

	send a ``break'' for a specific duration -- tcsendbreak ( )

	set and/or get alternate signal stack context -- sigstack ( )

	set and/or get signal stack context -- sigstack ( )

	set encoding key -- setkey ( )

	set foreground process group ID -- tcsetpgrp ( )

	set input baud rate, -- cfsetispeed ( )

	set output baud rate, -- cfsetospeed ( )

	set position of directory stream -- seekdir ( )

	set stream orientation -- fwide ( )

	set the parameters associated with the terminal -- tcsetattr ( )

	set wide-characters in memory -- wmemset ( )

	setcat -- define default catalog ( )

	setgrent -- group database entry functions ( )

	sethostname -- set name of current host ( )

	setjmp -- non-local goto ( ) ( )

	_setjmp -- non-local goto ( ) ( )

	setkey -- set encoding key ( )

	setlabel -- define the label for pfmt() and lfmt(). ( )

	setlocale -- modify and query a program's locale ( )

	setlogmask -- control system log ( )

	setpriority -- get or set process scheduling priority ( )

	setpwnam -- get password entry from user database ( )

	setspent -- get shadow password database entry ( )

	setstate -- pseudorandom number functions ( )

	settimeofday -- set date and time ( )

	settimeofday -- set system's notion of current Greenwich time ( )

	setusershell() -- function ( )

	setutent -- user accounting database functions ( )

	setutxent -- user accounting database functions ( )

	severity levels, applications, build a list for use with fmtmsg -- addseverity ( )

	sfconvert -- convert number to ASCII ( )

	sgconvert -- convert number to ASCII ( )

	shared object
		close -- dlclose ( )
		get address of symbol -- dlsym ( )
		get diagnostic information -- dlerror ( )
		open -- dlopen ( )

	shell command, issue one -- system ( )

	sig2str -- translation between signal name and signal number ( )

	sigaddset -- manipulate sets of signals ( )

	sigdelset -- manipulate sets of signals ( )

	sigemptyset -- manipulate sets of signals ( )

	sigfillset -- manipulate sets of signals ( )

	sigfpe() function ( )

	sighold -- adds sig to the calling process's signal mask ( )

	sigignore -- sets the disposition of sig to SIG_IGN ( )

	siginterrupt -- allow signals to interrupt functions ( )

	sigismember --manipulate sets of signals ( )

	siglongjmp -- non-local goto ( )

	signal -- modify signal disposition ( )

	signal -- simplified software signal facilities ( )

	signal
		schedule after interval in microseconds -- ualarm ( )
		suspend execution for interval in microseconds -- usleep ( )

	simplified signal facilities -- bsd_signal ( )

	signal management, simplified, for application processes -- signal ( )

	signal messages, system
		-- psignal ( ) ( )

	signals, block
		-- sigblock ( )
		-- sigmask ( )
		-- sigpause ( )
		-- sigsetmask ( )

	signals, software
		-- gsignal ( )
		-- ssignal ( )

	sigpause -- removes sig from the calling process's signal mask and suspends the calling process until a signal is received ( )

	sigrelse -- removes sig from the calling process's signal mask ( )

	sigset -- modify signal disposition ( )

	sigsetjmp -- non-local goto ( )

	sigsetops -- manipulate sets of signals ( )

	sigstack -- set and/or get alternate signal stack context ( )

	sigstack -- set and/or get signal stack context ( )

	sigvec -- software signal facilities ( )

	single-byte to wide-character conversion -- btowc ( )

	single_to_decimal -- decimal record from single-precision floating ( )

	sleep -- suspend execution for interval ( )

	sleep, suspend execution for interval in microseconds -- usleep ( )

	snprintf -- print formatted output ( )

	software signals
		-- gsignal ( )
		-- ssignal ( )

	sort, quick -- qsort ( )

	sprintf -- formatted output conversion ( )

	sprintf -- print formatted output ( )

	srand -- reset simple random number generator ( )

	srandom -- pseudorandom number functions ( )

	sscanf -- convert formatted input ( )

	stdio -- standard buffered input/output package ( )

	sting collation, -- strcoll ( )

	store -- data base subroutines ( )

	str2sig -- translation between signal name and signal number ( )

	strcasecmp -- string operations ( )

	strcat -- string operations ( )

	strchr -- string operations ( )

	strcmp -- string operations ( )

	strcpy -- string operations ( )

	strcspn -- string operations ( )

	strdup -- string operations ( )

	stream
		convert a string of Process Code characters to EUC characters and put it on a stream -- putws ( )
		open -- fopen ( )

	stream, assign buffering
		-- setbuf ( )
		-- setvbuf ( )

	stream, get string
		-- fgets ( )
		-- gets ( )

	stream, put a string
		-- fputs ( )
		-- puts ( )

	stream status inquiries
		-- clearerr ( )
		-- feof ( )
		-- ferror ( )
		-- fileno ( )

	STREAMS
		attach a STREAMS-based file descriptor to an object in the file system name space -- fattach ( )
		test file descriptor for a STREAMS file -- isastream ( )

	strfmon -- convert monetary value to string ( )

	strftime -- convert date and time to string ( )

	string -- string operations ( )

	string operations -- strcasecmp ( )

	string operations -- strcat ( )

	string operations -- strchr ( )

	string operations -- strcmp ( )

	string operations -- strcpy ( )

	string operations -- strcspn ( )

	string operations -- strdup ( )

	string operations -- string ( )

	string operations -- strlcat ( )

	string operations -- strlcpy ( )

	string operations -- strlen ( )

	string operations -- strncasecmp ( )

	string operations -- strncat ( )

	string operations -- strncmp ( )

	string operations -- strncpy ( )

	string operations -- strpbrk ( )

	string operations -- strrchr ( )

	string operations -- strspn ( )

	string operations -- strstr ( )

	string operations -- strtok ( )

	string operations -- strtok_r ( )

	string conversion routines
		-- atoi ( )
		-- atol ( )
		-- atoll ( )
		-- lltostr ( )
		-- strtol ( )
		-- strtoll ( )
		-- ulltostr ( )

	string encoding function -- crypt ( )

	string operation, get error message string -- strerror ( )

	string operations
		bit and byte -- bstring ( )
		-- index ( )
		-- rindex ( )

	string_to_decimal -- decimal record from character string ( )

	string transformation -- strxfrm ( )

	strings, convert from numbers -- econvert ( )

	strlcat -- string operations ( )

	strlcpy -- string operations ( )

	strlen -- string operations ( )

	strncasecmp -- string operations ( )

	strncat -- string operations ( )

	strncmp -- string operations ( )

	strncpy -- string operations ( )

	strpbrk -- string operations ( )

	strptime -- date and time conversion ( )

	strrchr -- string operations ( )

	strsignal -- get name of signal ( )

	strspn -- string operations ( )

	strstr -- string operations ( )

	strtod -- convert string to double-precision number ( )

	strtok -- string operations ( )

	strtok_r -- string operations ( )

	strtol -- string conversion routines ( )

	strtoll -- string conversion routines ( )

	strtoul -- convert string to unsigned long ( )

	strtows -- code conversion for Process Code and File Code ( )

	strxfrm -- string transformation ( )

	suspend or restart the transmission or reception of data -- tcflow ( )

	swab -- swap bytes ( )

	swap bytes -- swab ( )

	swapcontext -- manipulate user contexts ( )

	swprintf -- print formatted wide-character output ( )

	swscanf -- convert formatted wide-character input ( )

	symbol address, get address in shared object or executable -- dlsym ( )

	symbol table, get entries -- nlist ( )

	sync_instruction_memory -- make modified instructions executable ( )

	synchronize changes to a file -- fsync ( )

	synchronous I/O multiplexing
		-- FD_CLR ( )
		-- FD_ISSET ( )
		-- FD_SET ( )
		-- select ( ) ( )

	sys_siglist -- system signal messages list ( )

	syscall -- indirect system call ( )

	sysconf -- get configurable system variables ( )

	syslog -- control system log ( )

	system -- issue shell command ( )

	system error messages, print -- perror ( )

	system signal messages, -- psignal ( )

	system variables, get configurable ones -- sysconf ( )


T

	tcdrain -- wait for transmission of output ( )

	tcflow -- suspend or restart the transmission or reception of data ( )

	tcflush -- flush non-transmitted output data, non-read input data or both ( )

	tcgetattr -- get the parameters associated with the terminal ( )

	tcgetpgrp -- get foreground process group ID ( )

	tcgetsid -- get process group ID for session leader for controlling terminal ( )

	tcsendbreak -- send a ``break'' for a specific duration ( )

	tcsetattr -- set the parameters associated with the terminal ( )

	tcsetpgrp -- set foreground process group ID ( )

	tdelete -- manage binary search trees ( )

	tell -- return a file offset for a file descriptor ( )

	telldir -- current location of a named directory stream ( )

	tempnam -- create a name for a temporary file ( )

	terminal, find the slot of the current user in the user accounting database -- ttyslot ( )

	terminal device, slave pseudo
		get name -- ptsname ( )
		grant access -- grantpt ( )

	terminal ID, generate path name for controlling terminal -- ctermid, ctermid_r ( )

	termios -- general terminal interface ( )

	test character for specified class -- iswctype ( )

	test for a terminal device -- isatty ( )

	text processing utilities
		compile and execute regular expressions -- regcmp, regex ( )
		quick sort -- qsort ( )

	text string, -- gettxt ( )

	textdomain -- message handling functions ( )

	tfind -- manage binary search trees ( )

	time, computes the difference between two calendar times -- difftime ( )

	time, calendar, convert from a tm structure -- mktime ( )

	time accounting, for current process -- times ( )

	time and date
		convert to string -- asctime ( )
		convert to string -- ctime ( )
		convert to string -- gmtime ( )
		convert to string -- localtime ( )
		convert to string -- tzset ( )
		convert user format date and time -- getdate ( )
		get -- ftime ( )
		-- settimeofday ( ) ( )

	time of day, get and set -- gettimeofday, settimeofday ( )

	times -- get process times ( )

	tmpfile -- create a temporary file ( )

	tmpnam -- create a name for a temporary file ( )

	toascii -- translate integer to a 7-bit ASCII character ( )

	tolower -- transliterate upper-case characters to lower-case ( )

	_tolower -- transliterate upper-case characters to lower-case ( )

	toupper -- transliterate lower-case characters to upper-case ( )

	_toupper -- transliterate lower-case characters to upper-case ( )

	towctrans -- wide-character mapping ( )

	towlower -- transliterate upper-case wide-character code to lower-case ( )

	towupper -- transliterate lower-case wide-character code to upper-case ( )

	translate address to symbolic information -- dladdr1 ( )

	translate address to symbolic information -- dladdr ( )

	translate integer to a 7-bit ASCII character -- toascii ( )

	translation between signal name and signal number -- str2sig ( )
		sig2str ( )

	transliterate lower-case characters to upper-case -- toupper ( )

	transliterate lower-case characters to upper-case -- _toupper ( )

	transliterate lower-case wide-character code to upper-case -- towupper ( )

	transliterate upper-case characters to lower-case -- tolower ( )

	transliterate upper-case characters to lower-case -- _tolower ( )

	transliterate upper-case wide-character code to lower-case -- towlower ( )

	truncate -- set a file to a specified length ( )

	tsearch -- manage binary search trees ( )

	ttyname -- find pathname of a terminal ( )
		POSIX ( )

	ttyname_r -- find pathname of a terminal ( )

	ttyslot -- find the slot of the current user in the user accounting database ( )

	twalk -- manage binary search trees ( )


U

	ualarm -- schedule signal after interval in microseconds ( )

	ulltostr -- string conversion routines ( )

	ungetc -- push byte back into input stream ( )

	ungetwc -- push wide-character code back into input stream ( )

	unlock a pseudo-terminal master/slave pair -- unlockpt ( )

	unlock address space, -- munlockall ( )

	unlock memory pages, -- munlock ( )

	unlockpt -- unlock a pseudo-terminal master/slave pair ( )

	updwtmp -- user accounting database functions ( )

	updwtmpx -- user accounting database functions ( )

	user accounting database functions -- endutent ( )

	user accounting database functions -- endutxent ( )

	user accounting database functions -- getutent ( )

	user accounting database functions -- getutid ( )

	user accounting database functions -- getutline ( )

	user accounting database functions -- getutmp ( )

	user accounting database functions -- getutmpx ( )

	user accounting database functions -- getutxent ( )

	user accounting database functions -- getutxid ( )

	user accounting database functions -- getutxline ( )

	user accounting database functions -- pututline ( )

	user accounting database functions -- pututxline ( )

	user accounting database functions -- setutent ( )

	user accounting database functions -- setutxent ( )

	user accounting database functions -- updwtmp ( )

	user accounting database functions -- updwtmpx ( )

	user accounting database functions -- utmpname ( )

	user accounting database functions -- utmpxname ( )

	user context
		-- makecontext ( )
		-- swapcontext ( )

	user IDs, get character-string representation -- cuserid ( )

	usleep -- suspend execution for interval in microseconds ( )

	utmpname -- user accounting database functions ( )

	utmpx file, find the slot of current user -- ttyslot ( )

	utmpxname -- user accounting database functions ( )


V

	vfprintf -- formatted output conversion ( )

	vfscanf -- convert formatted input ( )

	vfstab file, -- getvfsent ( )

	vfwprintf -- wide-character formatted output of a stdarg argument list ( )

	vfwscanf -- convert formatted wide-character input ( )

	virtual memory, optimizing usage of user mapped memory -- madvise ( )

	visit registered rctls on current system -- rctl_walk ( )

	vlfmt -- display error message in standard format and pass to logging and monitoring services ( )

	vpfmt -- display error message in standard format and pass to logging and monitoring services ( )

	vprintf -- formatted output conversion ( )

	vscanf -- convert formatted input ( )

	vsprintf -- formatted output conversion ( )

	vsscanf -- convert formatted input ( )

	vswprintf -- wide-character formatted output of a stdarg argument list ( )

	vswscanf -- convert formatted wide-character input ( )

	vsyslog -- log message with a stdarg argument list ( )

	vwprintf -- wide-character formatted output of a stdarg argument list ( )

	vwscanf -- convert formatted wide-character input ( )


W

	wait -- wait for process to terminate or stop ( )

	waitpid -- wait for process to terminate or stop ( )

	wait3 -- wait for process to terminate or stop ( ) ( )

	wait4 -- wait for process to terminate or stop ( ) ( )

	wait for process to terminate or stop
		-- wait3 ( )
		-- wait4 ( )

	wait for transmission of output -- tcdrain ( )

	walk stack pointed to by ucontext -- printstack ( )

	walk stack pointed to by ucontext -- walkcontext ( )

	walkcontext -- walk stack pointed to by ucontext ( )

	watof -- convert wide character string to double-precision number ( )

	watoi -- convert wide character string to long integer ( )

	watol -- convert wide character string to long integer ( )

	watoll -- convert wide character string to long integer ( )

	wchar_t string, number conversion -- wscanf ( )

	wcrtomb -- convert a wide-character code to a character (restartable) ( )

	wcscat -- wide-character string operations ( )

	wcschr -- wide-character string operations ( )

	wcscmp -- wide-character string operations ( )

	wcscoll -- wide character string comparison using collating information ( )

	wcscpy -- wide-character string operations ( )

	wcscspn -- wide-character string operations ( )

	wcsetno -- get information on EUC codesets ( )

	wcsftime -- convert date and time to wide character string ( )

	wcslen -- wide-character string operations ( )

	wcsncat -- wide-character string operations ( )

	wcsncmp -- wide-character string operations ( )

	wcsncpy -- wide-character string operations ( )

	wcspbrk -- wide-character string operations ( )

	wcsrchr -- wide-character string operations ( )

	wcsrtombs -- convert a wide-character string to a character string (restartable) ( )

	wcsspn -- wide-character string operations ( )

	wcsstr -- find a wide-character substring ( )

	wcstod -- convert wide character string to double-precision number ( )

	wcstok -- wide-character string operations ( )

	wcstol -- convert wide character string to long integer ( )

	wcstombs -- convert a wide-character string to a character string ( )

	wcstoul -- convert wide character string to unsigned long ( )

	wcstring -- wide-character string operations ( )

	wcswcs -- wide-character string operations ( )

	wcswidth -- number of column positions of a wide-character string ( )

	wcsxfrm -- wide character string transformation ( )

	wctob -- wide-character to single-byte conversion ( )

	wctomb -- convert a wide-character code to a character ( )

	wctrans -- define character mapping ( )

	wctype -- define character class ( )

	wcwidth -- number of column positions of a wide-character code ( )

	wide character string to long integer, convert
		-- watoi ( )
		-- watol ( )
		-- watoll ( )
		-- wcstol ( )
		-- wstol ( )

	wide-character code classification functions
		-- isenglish ( )
		-- isideogram ( )
		-- isnumber ( )
		-- isphonogram ( )
		-- isspecial ( )
		-- iswalnum ( )
		-- iswalpha ( )
		-- iswascii ( )
		-- iswcntrl ( )
		-- iswdigit ( )
		-- iswgraph ( )
		-- iswlower ( )
		-- iswprint ( )
		-- iswpunct ( )
		-- iswspace ( )
		-- iswupper ( )
		-- iswxdigit ( )

	wide-character formatted output of a stdarg argument list
		-- vfwprintf ( )
		-- vswprintf ( )
		-- vwprintf ( )

	wide-character mapping -- towctrans ( )

	wide character string comparison using collating information
		-- wcscoll ( )
		-- wscoll ( )

	wide-character string operations
		-- wcscat ( )
		-- wcschr ( )
		-- wcscmp ( )
		-- wcscpy ( )
		-- wcscspn ( )
		-- wcslen ( )
		-- wcsncat ( )
		-- wcsncmp ( )
		-- wcsncpy ( )
		-- wcspbrk ( )
		-- wcsrchr ( )
		-- wcsspn ( )
		-- wcstok ( )
		-- wcstring ( )
		-- wcswcs ( )
		-- windex ( )
		-- wrindex ( )

	wide character string transformation
		-- wcsxfrm ( )
		-- wsxfrm ( )

	wide-character to single-byte conversion -- wctob ( )

	windex -- wide-character string operations ( )

	wmemchr -- find a wide-character in memory ( )

	wmemcmp -- compare wide-characters in memory ( )

	wmemcpy -- copy wide-characters in memory ( )

	wmemmove -- copy wide-characters in memory with overlapping areas ( )

	wmemset -- set wide-characters in memory ( )

	wordexp -- perform word expansions ( )

	wordfree -- perform word expansions ( )

	working directory, get pathname -- getwd ( )

	wprintf -- print formatted wide-character output ( )

	wrindex -- wide-character string operations ( )

	wscanf -- convert formatted wide-character input ( )

	wscasecmp -- Process Code string operations ( )

	wscol -- Process Code string operations ( )

	wscoll -- wide character string comparison using collating information ( )

	wsdup -- Process Code string operations ( )

	wsncasecmp -- Process Code string operations ( )

	wsprintf -- formatted output conversion ( )

	wsscanf -- formatted input conversion ( )

	wstod -- convert wide character string to double-precision number ( )

	wstol -- convert wide character string to long integer ( )

	wstostr -- code conversion for Process Code and File Code ( )

	wsxfrm -- wide character string transformation ( )

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