man Pages(3): Library Routines


F

	fabs -- absolute value function ( )

	fast DES encryption -- des_crypt ( )
		cbc_crypt ( )
		DES_FAILED ( )
		des_failed ( )
		des_setparity ( )
		ecb_crypt ( )

	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 ( )

	fcvt -- 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 ( )

	fdatasync -- synchronize a file's data ( )

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

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

	fetch -- data base subroutines ( )

	fflush -- flush a stream ( )

	ffs -- find first set bit ( )

	fgetc -- get a byte from a stream ( )

	fgetgrent -- get group entry from file ( )

	fgetgrent_r -- get group entry from file ( )

	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 --em convert a string of EUC characters from the stream to Process Code ( )

	FIFO, create a new one -- mkfifo ( )

	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 encryption functions, -- crypt ( )

	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 ( )
		search for named file in named directories -- pathfind ( )
		set a file to a specified length -- truncate ( )
		synchronize a file's in-memory state with that on the physical medium -- fsync ( )

	filter -- disable use of certain terminal capabilities ( )

	filter expression for attribute search
		-- fn_search_filter_arguments ( )
		-- fn_search_filter_assign ( )
		-- fn_search_filter_copy ( )
		-- fn_search_filter_create ( )
		-- fn_search_filter_destroy ( )
		-- fn_search_filter_expression ( )
		-- FN_search_filter_t ( )

	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 ( )

	flash -- activate audio-visual alarm ( )

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

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

	floating-point remainder value function -- fmod ( )

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

	flockfile -- acquire and release stream lock ( )

	floor -- floor function ( )

	floor function -- floor ( )

	flush a stream -- fflush ( )

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

	flush output in tty on interrupt -- intrflush ( )

	flushinp -- discard type-ahead characters ( )

	_flushlbf -- interfaces to stdio FILE structure ( )

	fmod -- floating-point remainder value function ( )

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

	fn_attr_bind -- bind a reference to a name and associate attributes with named object ( )

	fn_attr_create_subcontext -- create subcontext and associate attributes ( )

	fn_attr_ext_search -- search for names whose attributes satisfy filter ( )

	fn_attr_get -- return specified attribute associated with name ( )

	fn_attr_get_ids -- get list of attribute identifiers ( )

	fn_attr_get_values -- return values of an attribute ( )

	fn_attr_modify -- modify specified attribute associated with name ( )

	fn_attr_multi_get -- return multiple attributes associated with named object ( )

	fn_attr_multi_modify -- modify multiple attributes associated with named object ( )

	fn_attr_search -- search for atomic name with specified attributes in single context ( )

	fn_attribute_add -- an XFN attribute ( )

	fn_attribute_assign -- an XFN attribute ( )

	fn_attribute_copy -- an XFN attribute ( )

	fn_attribute_create -- an XFN attribute ( )

	fn_attribute_destroy -- an XFN attribute ( )

	fn_attribute_first -- an XFN attribute ( )

	fn_attribute_identifier -- an XFN attribute ( )

	fn_attribute_next -- an XFN attribute ( )

	fn_attribute_remove -- an XFN attribute ( )

	fn_attribute_syntax -- an XFN attribute ( )

	FN_attribute_t -- an XFN attribute ( )

	fn_attribute_valuecount -- an XFN attribute ( )

	fn_attrmodlist_add -- a list of attribute modifications ( )

	fn_attrmodlist_assign -- a list of attribute modifications ( )

	fn_attrmodlist_copy -- a list of attribute modifications ( )

	fn_attrmodlist_count -- a list of attribute modifications ( )

	fn_attrmodlist_create -- a list of attribute modifications ( )

	fn_attrmodlist_destroy -- a list of attribute modifications ( )

	fn_attrmodlist_first -- a list of attribute modifications ( )

	fn_attrmodlist_next -- a list of attribute modifications ( )

	FN_attrmodlist_t -- a list of attribute modifications ( )

	fn_attrset_add -- a set of XFN attributes ( )

	fn_attrset_assign -- a set of XFN attributes ( )

	fn_attrset_copy -- a set of XFN attributes ( )

	fn_attrset_count -- a set of XFN attributes ( )

	fn_attrset_create -- a set of XFN attributes ( )

	fn_attrset_destroy -- a set of XFN attributes ( )

	fn_attrset_first -- a set of XFN attributes ( )

	fn_attrset_get -- a set of XFN attributes ( )

	fn_attrset_next -- a set of XFN attributes ( )

	fn_attrset_remove -- a set of XFN attributes ( )

	FN_attrset_t -- a set of XFN attributes ( )

	fn_bindinglist_destroy -- list the atomic names and references bound in a context ( )

	fn_bindinglist_next -- list the atomic names and references bound in a context ( )

	FN_bindinglist_t -- list the atomic names and references bound in a context ( )

	fn_composite_name_append_comp -- component names spanning multiple naming systems ( )

	fn_composite_name_append_name -- component names spanning multiple naming systems ( )

	fn_composite_name_assign -- component names spanning multiple naming systems ( )

	fn_composite_name_copy -- component names spanning multiple naming systems ( )

	fn_composite_name_count -- component names spanning multiple naming systems ( )

	fn_composite_name_create -- component names spanning multiple naming systems ( )

	fn_composite_name_delete_comp -- component names spanning multiple naming systems ( )

	fn_composite_name_destroy -- component names spanning multiple naming systems ( )

	fn_composite_name_first -- component names spanning multiple naming systems ( )

	fn_composite_name_from_str -- component names spanning multiple naming systems ( )

	fn_composite_name_from_string -- component names spanning multiple naming systems ( )

	fn_composite_name_insert_comp -- component names spanning multiple naming systems ( )

	fn_composite_name_insert_name -- component names spanning multiple naming systems ( )

	fn_composite_name_is_empty -- component names spanning multiple naming systems ( )

	fn_composite_name_is_equal -- component names spanning multiple naming systems ( )

	fn_composite_name_is_prefix -- component names spanning multiple naming systems ( )

	fn_composite_name_is_suffix -- component names spanning multiple naming systems ( )

	fn_composite_name_last -- component names spanning multiple naming systems ( )

	fn_composite_name_next -- component names spanning multiple naming systems ( )

	fn_composite_name_prefix -- component names spanning multiple naming systems ( )

	fn_composite_name_prepend_comp -- component names spanning multiple naming systems ( )

	fn_composite_name_prepend_name -- component names spanning multiple naming systems ( )

	fn_composite_name_prev -- component names spanning multiple naming systems ( )

	fn_composite_name_suffix -- component names spanning multiple naming systems ( )

	FN_composite_name_t -- component names spanning multiple naming systems ( )

	fn_compound_name_append_comp -- an XFN compound name ( )

	fn_compound_name_assign -- an XFN compound name ( )

	fn_compound_name_copy -- an XFN compound name ( )

	fn_compound_name_count -- an XFN compound name ( )

	fn_compound_name_delete_all -- an XFN compound name ( )

	fn_compound_name_delete_comp -- an XFN compound name ( )

	fn_compound_name_destroy -- an XFN compound name ( )

	fn_compound_name_first -- an XFN compound name ( )

	fn_compound_name_from_syntax_attrs -- an XFN compound name ( )

	fn_compound_name_get_syntax_attrs -- an XFN compound name ( )

	fn_compound_name_insert_comp -- an XFN compound name ( )

	fn_compound_name_is_empty -- an XFN compound name ( )

	fn_compound_name_is_equal -- an XFN compound name ( )

	fn_compound_name_is_prefix -- an XFN compound name ( )

	fn_compound_name_is_suffix -- an XFN compound name ( )

	fn_compound_name_last -- an XFN compound name ( )

	fn_compound_name_next -- an XFN compound name ( )

	fn_compound_name_prefix -- an XFN compound name ( )

	fn_compound_name_prepend_comp -- an XFN compound name ( )

	fn_compound_name_prev -- an XFN compound name ( )

	fn_compound_name_suffix -- an XFN compound name ( )

	FN_compound_name_t -- an XFN compound name ( )

	fn_ctx_bind -- bind a reference to a name ( )

	fn_ctx_equivalent_name -- construct equivalent name in same context ( )

	fn_ctx_handle_from_initial -- return a handle to the Initial Context ( )

	fn_ctx_handle_from_ref -- construct a handle to a context object using the given reference ( )

	fn_ctx_list_bindings -- list the atomic names and references bound in a context ( )

	fn_ctx_list_names -- list the atomic names bound in a context ( )

	fn_ctx_lookup_link -- look up the link reference bound to a name ( )

	fn_ctx_rename -- rename the name of a binding ( )

	FN_ctx_t -- an XFN context ( )

	fn_ext_searchlist_destroy -- search for names whose attributes satisfy filter ( )

	fn_ext_searchlist_next -- search for names whose attributes satisfy filter ( )

	FN_ext_searchlist_t -- search for names whose attributes satisfy filter ( )

	FN_identifier_t -- an XFN identifier ( )

	fn_multigetlist_destroy -- return multiple attributes associated with named object ( )

	fn_multigetlist_next -- return multiple attributes associated with named object ( )

	FN_multigetlist_t -- return multiple attributes associated with named object ( )

	fn_namelist_destroy -- list the atomic names bound in a context ( )

	fn_namelist_next -- list the atomic names bound in a context ( )

	FN_namelist_t -- list the atomic names bound in a context ( )

	fn_ref_addr_assign -- an address in an XFN reference ( )

	fn_ref_addr_copy -- an address in an XFN reference ( )

	fn_ref_addr_create -- an address in an XFN reference ( )

	fn_ref_addr_data -- an address in an XFN reference ( )

	fn_ref_addr_description -- an address in an XFN reference ( )

	fn_ref_addr_destroy -- an address in an XFN reference ( )

	fn_ref_addr_length -- an address in an XFN reference ( )

	FN_ref_addr_t -- an address in an XFN reference ( )

	fn_ref_addr_type -- an address in an XFN reference ( )

	fn_ref_addrcount -- an XFN reference ( )

	fn_ref_append_addr -- an XFN reference ( )

	fn_ref_assign -- an XFN reference ( )

	fn_ref_copy -- an XFN reference ( )

	fn_ref_create -- an XFN reference ( )

	fn_ref_create_link -- an XFN reference ( )

	fn_ref_delete_addr -- an XFN reference ( )

	fn_ref_delete_all -- an XFN reference ( )

	fn_ref_description -- an XFN reference ( )

	fn_ref_destroy -- an XFN reference ( )

	fn_ref_first -- an XFN reference ( )

	fn_ref_insert_addr -- an XFN reference ( )

	fn_ref_is_link -- an XFN reference ( )

	fn_ref_link_name -- an XFN reference ( )

	fn_ref_next -- an XFN reference ( )

	fn_ref_prepend_addr -- an XFN reference ( )

	FN_ref_t -- an XFN reference ( )

	fn_ref_type -- an XFN reference ( )

	fn_search_control_assign -- options for attribute search ( )

	fn_search_control_copy -- options for attribute search ( )

	fn_search_control_create -- options for attribute search ( )

	fn_search_control_destroy -- options for attribute search ( )

	fn_search_control_follow_links -- options for attribute search ( )

	fn_search_control_max_names -- options for attribute search ( )

	fn_search_control_return_attr_ids -- options for attribute search ( )

	fn_search_control_return_ref -- options for attribute search ( )

	fn_search_control_scope -- options for attribute search ( )

	FN_search_control_t -- options for attribute search ( )

	fn_search_filter_arguments -- filter expression for attribute search ( )

	fn_search_filter_assign -- filter expression for attribute search ( )

	fn_search_filter_copy -- filter expression for attribute search ( )

	fn_search_filter_create -- filter expression for attribute search ( )

	fn_search_filter_destroy -- filter expression for attribute search ( )

	fn_search_filter_expression -- filter expression for attribute search ( )

	FN_search_filter_t -- filter expression for attribute search ( )
		BNF of Filter Expression ( )
		Extended Operations ( )
		Precedence ( )
		Relational Operators ( )
		Specification of Filter Expression ( )
		Wildcarded Strings ( )

	fn_searchlist_destroy -- terminate search for atomic name with specified attributes in single context ( )

	fn_searchlist_next -- search for next atomic name with specified attributes in single context ( )

	FN_searchlist_t -- search for atomic name with specified attributes in single context ( )

	fn_status_advance_by_name -- an XFN status object ( )

	fn_status_append_remaining_name -- an XFN status object ( )

	fn_status_append_resolved_name -- an XFN status object ( )

	fn_status_assign -- an XFN status object ( )

	fn_status_code -- an XFN status object ( )

	fn_status_copy -- an XFN status object ( )

	fn_status_create -- an XFN status object ( )

	fn_status_description -- an XFN status object ( )

	fn_status_destroy -- an XFN status object ( )

	fn_status_diagnostic_message -- an XFN status object ( )

	fn_status_is_success -- an XFN status object ( )

	fn_status_link_code -- an XFN status object ( )

	fn_status_link_diagnostic_message -- an XFN status object ( )

	fn_status_link_remaining_name -- an XFN status object ( )

	fn_status_link_resolved_name -- an XFN status object ( )

	fn_status_link_resolved_ref -- an XFN status object ( )

	fn_status_remaining_name -- an XFN status object ( )

	fn_status_resolved_name -- an XFN status object ( )

	fn_status_resolved_ref -- an XFN status object ( )

	fn_status_set -- an XFN status object ( )

	fn_status_set_code -- an XFN status object ( )

	fn_status_set_diagnostic_message -- an XFN status object ( )

	fn_status_set_link_code -- an XFN status object ( )

	fn_status_set_link_diagnostic_message -- an XFN status object ( )

	fn_status_set_link_remaining_name -- an XFN status object ( )

	fn_status_set_link_resolved_name -- an XFN status object ( )

	fn_status_set_link_resolved_ref -- an XFN status object ( )

	fn_status_set_remaining_name -- an XFN status object ( )

	fn_status_set_resolved_name -- an XFN status object ( )

	fn_status_set_resolved_ref -- an XFN status object ( )

	fn_status_set_success -- an XFN status object ( )

	FN_status_t -- an XFN status object ( )

	fn_string_assign -- a character string ( )

	fn_string_bytecount -- a character string ( )

	fn_string_charcount -- a character string ( )

	fn_string_code_set -- a character string ( )

	fn_string_compare -- a character string ( )

	fn_string_compare_substring -- a character string ( )

	fn_string_contents -- a character string ( )

	fn_string_copy -- a character string ( )

	fn_string_create -- a character string ( )

	fn_string_destroy -- a character string ( )

	fn_string_from_composite_name -- component names spanning multiple naming systems ( )

	fn_string_from_compound_name -- an XFN compound name ( )

	fn_string_from_contents -- a character string ( )

	fn_string_from_str -- a character string ( )

	fn_string_from_str_n -- a character string ( )

	fn_string_from_strings -- a character string ( )

	fn_string_from_substring -- a character string ( )

	fn_string_is_empty -- a character string ( )

	fn_string_next_substring -- a character string ( )

	fn_string_prev_substring -- a character string ( )

	fn_string_str -- a character string ( )

	FN_string_t -- a character string ( )

	fn_valuelist_destroy -- return values of an attribute ( )

	fn_valuelist_next -- return values of an attribute ( )

	FN_valuelist_t -- return values of an attribute ( )

	fnmatch -- match filename or path name ( )

	FNS
		component names spanning multiple naming systems
			See FN_composite_name_t
		fn_attr_bind -- bind a reference to a name and associate attributes with named object ( )
		fn_attr_create_subcontext -- create subcontext and associate attributes ( )
		fn_attr_ext_search -- search for names whose attributes satisfy filter ( )
		fn_attr_search -- search for atomic name with specified attributes in single context ( )
		fn_ctx_equivalent_name -- construct equivalent name in same context ( )
		fn_ext_searchlist_destroy -- search for names whose attributes satisfy filter ( )
		fn_ext_searchlist_next -- search for names whose attributes satisfy filter ( )
		FN_ext_searchlist_t -- search for names whose attributes satisfy filter ( )
		FN_search_control_t -- options for attribute search ( )
		FN_search_filter_t -- filter expression for attribute search ( )
		fn_searchlist_destroy -- terminate search for atomic name with specified attributes in single context ( )
		fn_searchlist_next -- search for next atomic name with specified attributes in single context ( )
		FN_searchlist_t -- search for atomic name with specified attributes in single context ( )

	fopen -- open a stream ( )

	fopen -- open stream ( )

	form library
		See also curses library

	formatted input conversion -- wsscanf ( )

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

	forms -- character based forms package ( )

	forms, application-specific routines
		-- field_init ( )
		-- field_term ( )
		-- form_hook ( )
		-- form_init ( )
		-- form_term ( )
		-- set_field_init ( )
		-- set_field_term ( )
		-- set_form_init ( )
		-- set_form_term ( )

	forms, associate application data
		-- field_userptr ( )
		-- form_field_userptr ( )
		-- form_userptr ( )
		-- set_field_userptr ( )
		-- set_form_userptr ( )

	forms, command processor, -- form_driver ( )

	forms, connect fields
		-- field_count ( )
		-- form_field ( )
		-- form_fields ( )
		-- move_field ( )
		-- set_form_fields ( )

	forms, create and destroy
		-- form_new ( )
		-- free_form ( )
		-- new_form ( )

	forms, format general appearance
		-- field_just ( )
		-- form_field_just ( )
		-- set_field_just ( )

	forms, format general display attributes
		-- field_back ( )
		-- field_fore ( )
		-- field_pad ( )
		-- form_field_attributes ( )
		-- set_field_back ( )
		-- set_field_fore ( )
		-- set_field_pad ( )

	forms, set current page and field
		-- current_field ( )
		-- field_index ( )
		-- form_page ( )
		-- set_current_field ( )
		-- set_form_page ( )

	forms, write/erase from associated subwindows
		-- form_post ( )
		-- post_form ( )
		-- unpost_form ( )

	forms field, off-screen data ahead or behind
		-- data_ahead ( )
		-- data_behind ( )
		-- form_data ( )

	forms field attributes, set and get
		-- field_buffer ( )
		-- field_status ( )
		-- form_field_buffer ( )
		-- set_field_buffer ( )
		-- set_field_status ( )
		-- set_max_field ( )

	forms field characteristics
		-- dynamic_field_info ( )
		-- field_info ( )
		-- form_field_info ( )

	forms field data type validation
		-- field_arg ( )
		-- field_type ( )
		-- form_field_validation ( )
		-- set_field_type ( )

	forms field option routines
		-- field_opts ( )
		-- field_opts_off ( )
		-- field_opts_on ( )
		-- form_field_opts ( )
		-- set_field_opts ( )

	forms fields, create and destroy
		-- dup_field ( )
		-- form_field_new ( )
		-- free_field ( )
		-- link_field ( )
		-- new_field ( )

	forms fieldtype routines
		-- form_fieldtype ( )
		-- free_fieldtype ( )
		-- link_fieldtype ( )
		-- new_fieldtype ( )
		-- set_fieldtype_arg ( )
		-- set_fieldtype_choice ( )

	forms option routines
		-- form_opts ( )
		-- form_opts_off ( )
		-- form_opts_on ( )
		-- set_form_opts ( )

	forms pagination
		-- form_new_page ( )
		-- new_page ( )
		-- set_new_page ( )

	forms window and subwindow association routines
		-- form_sub ( )
		-- form_win ( )
		-- scale_form ( )
		-- set_form_sub ( )
		-- set_form_win ( )

	forms window cursor, position
		-- form_cursor ( )
		-- pos_form_cursor ( )

	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 ( )

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

	free -- memory allocator ( )

	free space pointed to by terminal
		-- del_curterm ( )
		-- restartterm ( )
		-- set_curterm ( )
		-- setterm ( )
		-- setupterm ( )

	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 a file's in-memory state with that on the physical medium ( )

	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 ( )

	functions to manage lockfile(s) for user's mailbox
		-- maillock ( )
		-- mailunlock ( )
		-- touchlock ( )

	funlockfile -- acquire and release stream lock ( )

	fwide -- set stream orientation ( )

	fwprintf -- print formatted wide-character output ( )

	fwscanf -- convert formatted wide-character input ( )