section 3 · Library functions 📚

178720 pages · page 816 of 894

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U (continued)

Unit(3o)Unit values.✨
Unit_info(3o)This module centralize the handling of compilation files and their metadata.✨
Unit_info.Artifact(3o)Build artifacts✨
unitary_top(3)Orthogonal/unitary factors (QR, CS, etc.)✨
units(3tcl)unit conversion✨
UNIVERSAL(3perl)base class for ALL classes (blessed references)✨
UNIVERSAL(3pm)base class for ALL classes (blessed references)✨
UNIVERSAL::can(3pm)work around buggy code calling UNIVERSAL::can() as a function✨
UNIVERSAL::exports(3pm)Lightweight, universal exporting of variables✨
UNIVERSAL::isa(3pm)Attempt to recover from people calling UNIVERSAL::isa as a function✨
UNIVERSAL::moniker(3pm)✨
UNIVERSAL::Object::ID(3pm)Supply a unique object identifier to every object✨
UNIVERSAL::ref(3pm)Turns ref() into a multimethod✨
UNIVERSAL::require(3pm)require() modules from a variable [deprecated]✨
Unix(3o)Interface to the Unix system.✨
unix.datagram.socket(3em)Lua execution engine✨
unix.dial(3em)Lua execution engine✨
unix.h(3)UNIX domain sockets, streams and sessions.✨
Unix.LargeFile(3o)File operations on large files.✨
unix.listen(3em)Lua execution engine✨
unix.seqpacket.acceptor(3em)Lua execution engine✨
unix.seqpacket.socket(3em)Lua execution engine✨
unix.stream.acceptor(3em)Lua execution engine✨
unix.stream.socket(3em)Lua execution engine✨
Unix::AliasFile(3pm)Perl interface to /etc/aliases format files✨
Unix::AutomountFile(3pm)Perl interface to automounter files✨
Unix::ConfigFile(3pm)Perl interface to various Unix configuration files✨
Unix::GroupFile(3pm)Perl interface to /etc/group format files✨
Unix::Groups::FFI(3pm)Interface to Unix group syscalls✨
Unix::Mknod(3pm)Perl extension for mknod, major, minor, and makedev✨
Unix::PasswdFile(3pm)Perl interface to /etc/passwd format files✨
Unix::Process(3pm)Perl extension to get pid info from (/usr/bin/ps).✨
Unix::Processors(3pm)Interface to processor (CPU) information✨
Unix::Processors::Info(3pm)Interface to processor (CPU) information✨
Unix::Statgrab(3pm)Perl extension for collecting information about the machine✨
Unix::Statgrab::sg_cpu_percents(3pm)container for libstatgrab CPU percent collection✨
Unix::Statgrab::sg_cpu_stats(3pm)container for libstatgrab CPU statistics✨
Unix::Statgrab::sg_disk_io_stats(3pm)container for libstatgrab disk I/O statistics✨
Unix::Statgrab::sg_error_details(3pm)libstatgrab error status✨
Unix::Statgrab::sg_fs_stats(3pm)container for libstatgrab filesystem statistics✨
Unix::Statgrab::sg_host_info(3pm)container for libstatgrab host information✨
Unix::Statgrab::sg_load_stats(3pm)container for libstatgrab load average statistics✨
Unix::Statgrab::sg_mem_stats(3pm)container for libstatgrab memory statistics✨
Unix::Statgrab::sg_network_iface_stats(3pm)container for libstatgrab network interface statistics✨
Unix::Statgrab::sg_network_io_stats(3pm)container for libstatgrab network I/O statistics✨
Unix::Statgrab::sg_page_stats(3pm)container for libstatgrab paging statistics✨
Unix::Statgrab::sg_process_stats(3pm)container for libstatgrab process statistics✨
Unix::Statgrab::sg_swap_stats(3pm)container for libstatgrab swap space statistics✨
Unix::Statgrab::sg_user_stats(3pm)container for libstatgrab user-login collection✨
Unix::Syslog(3pm)Perl interface to the UNIX syslog(3) calls✨
UNIX_OFFSET(3)✨
UNIX_OFFSET(3avr)<time.h>: Time✨
unix_sockets(3tcl)Communicate using unix domain sockets✨
unix_telnet(3)Callback module for ct_telnet, for connecting to a Telnet server on a UNIX host.✨
unix_telnet(3erl)Callback module for ct_telnet, for connecting to a Telnet server on a UNIX host.✨
UnixLabels(3o)Interface to the Unix system.✨
UnixLabels.LargeFile(3o)File operations on large files.✨
unknown(3tcl)Handle attempts to use non-existent commands✨
unlikely(3)✨
unlink(3p)remove a directory entry✨
unlink(3posix)remove a directory entry✨
unlink(3valkey)Asynchronously deletes one or more keys.✨
unload(3tcl)Unload machine code✨
unload_datafile(3)Frees all the objects in a datafile. Allegro game programming library.✨
unload_datafile(3alleg4)Frees all the objects in a datafile. Allegro game programming library.✨
unload_datafile_object(3)Frees an object previously loaded by load_datafile_object(). Allegro game programming library.✨
unload_datafile_object(3alleg4)Frees an object previously loaded by load_datafile_object(). Allegro game programming library.✨
unlocked_stdio(3)nonlocking stdio functions✨
unlockpt(3)unlock a pseudoterminal master/slave pair✨
unlockpt(3p)unlock a pseudo-terminal master/slave pair✨
unlockpt(3posix)unlock a pseudo-terminal master/slave pair✨
unm22(3){un,or}m22: multiply by banded Q, step in gghd3✨
unm2l(3){un,or}m2l: step in unmql✨
unm2r(3){un,or}m2r: multiply by Q from geqrf, level 2✨
unmarkbddnode(3)unmarks bdd node with a specified mask.✨
unmarkbddnode(3alc)unmarks bdd node with a specified mask.✨
unmbr(3){un,or}mbr: multiply by Q, P from gebrd✨
unmhr(3){un,or}mhr: multiply by Q from gehrd✨
unmixCDKTemplate(3)Cdk template widget✨
unml2(3){un,or}ml2: multiply by Q, level 2, step in unmlq✨
unmlq(3){un,or}mlq: multiply by Q from gelqf✨
unmocked(3pm)use real libraries from within mocked libraries✨
unmql(3){un,or}mql: multiply by Q from geqlf✨
unmqr(3){un,or}mqr: multiply by Q from geqrf✨
unmr2(3){un,or}mr2: step in unmrq✨
unmr3(3){un,or}mr3: step in unmrz✨
unmrq(3){un,or}mrq: multiply by Q from gerqf✨
unmrz(3){un,or}mrz: multiply by Z from tzrzf✨
unmtr(3){un,or}mtr: multiply by Q from hetrd✨
unordered_associative_containers(3)✨
unordered_map(3)✨
unordered_set(3)✨
unpackDouble2x32(3G)produce two unsigned integers containing the bit encoding of a double precision floating point value✨
unpacked(3)Header file for NCEPLIBS-g2c library.✨
unpackHalf2x16(3G)convert two 16-bit floating-point values packed into a single 32-bit integer into a vector of two 32-bit floating-point quantities✨
unpackUnorm2x16,_unpackUnorm4x8,_unpackSnorm4x8(3G)unpack floating-point values from an unsigned integer✨
unparse_time(3)parse and unparse time intervals✨
unparse_time_approx(3)parse and unparse time intervals✨
unpost_form(3)write or erase forms from associated subwindows✨
unpost_form(3form)write or erase forms from associated subwindows✨
unpost_form(3x)write or erase forms from associated subwindows✨
unpost_menu(3)write or erase menus from associated subwindows✨
unpost_menu(3menu)write or erase menus from associated subwindows✨
unpost_menu(3x)write or erase menus from associated subwindows✨
unregister_all_config_handlers(3)netsnmp_config_api functions✨
unregister_app_config_handler(3)netsnmp_config_api functions✨
unregister_config_handler(3)netsnmp_config_api functions✨
unregisterCDKObject(3)Cdk screen and widget manipulation functions✨
unsafe_pod_vector(3)✨
unscare_mouse(3)Undoes the effect of scare_mouse() or scare_mouse_area(). Allegro game programming library.✨
unscare_mouse(3alleg4)Undoes the effect of scare_mouse() or scare_mouse_area(). Allegro game programming library.✨
unselect_palette(3)Restores the palette before last call to select_palette(). Allegro game programming library.✨
unselect_palette(3alleg4)Restores the palette before last call to select_palette(). Allegro game programming library.✨
unset(3tcl)Delete variables✨
unsetbddrefext(3)increments the internal reference, and decrements the external reference of a bdd node.✨
unsetbddrefext(3alc)increments the internal reference, and decrements the external reference of a bdd node.✨
unsetenv(3)change or add an environment variable✨
unsetenv(3p)remove an environment variable✨
unsetenv(3posix)remove an environment variable✨
unstack(3trf)Unstacking channels✨
unsubscribe(3valkey)Stops listening to messages posted to channels.✨
UnSupportedHBAAPIs(3)Not Supported HBA API Functions✨
untouchwin(3)control terminal output refresh in a curses window✨
untouchwin(3ncurses)control terminal output refresh in a curses window✨
untouchwin(3x)control terminal output refresh in a curses window✨
unvis(3)decode a visual representation of characters✨
unvis(3bsd)decode a visual representation of characters✨
unw_apply_reg_state(3)apply a register state update to a cursor✨
unw_backtrace(3)return backtrace for the calling program✨
unw_create_addr_space(3)create address space for remote unwinding✨
unw_create_addr_space(3libunwind)create address space for remote unwinding✨
unw_destroy_addr_space(3)destroy unwind address space✨
unw_destroy_addr_space(3libunwind)destroy unwind address space✨
unw_flush_cache(3)flush cached info✨
unw_flush_cache(3libunwind)flush cached info✨
unw_get_accessors(3)get pointer to accessor call-backs✨
unw_get_accessors(3libunwind)get pointer to accessor call-backs✨
unw_get_elf_filename(3)get backing elf filename✨
unw_get_elf_filename_by_ip(3)get backing elf filename by instruction pointer✨
unw_get_fpreg(3)get contents of floating-point register✨
unw_get_fpreg(3libunwind)get contents of floating-point register✨
unw_get_proc_info(3)get info on current procedure✨
unw_get_proc_info(3libunwind)get info on current procedure✨
unw_get_proc_info_by_ip(3)get procedure info by IP✨
unw_get_proc_info_by_ip(3libunwind)get procedure info by IP✨
unw_get_proc_info_in_range(3)get procedure info in IP range and a frame index table✨
unw_get_proc_name(3)get name of current procedure✨
unw_get_proc_name(3libunwind)get name of current procedure✨
unw_get_proc_name_by_ip(3)get procedure name✨
unw_get_reg(3)get register contents✨
unw_get_reg(3libunwind)get register contents✨
unw_getcontext(3)get initial machine-state✨
unw_getcontext(3libunwind)get initial machine-state✨
unw_init_local(3)initialize cursor for local unwinding✨
unw_init_local(3libunwind)initialize cursor for local unwinding✨
unw_init_local2(3)initialize cursor for local unwinding✨
unw_init_remote(3)initialize cursor for remote unwinding✨
unw_init_remote(3libunwind)initialize cursor for remote unwinding✨
unw_is_fpreg(3)check if a register is a floating-point register✨
unw_is_fpreg(3libunwind)check if a register is a floating-point register✨
unw_is_signal_frame(3)check if current frame is a signal frame✨
unw_is_signal_frame(3libunwind)check if current frame is a signal frame✨
unw_reg_states_iterate(3)get register state info on current procedure✨
unw_regname(3)get register name✨
unw_regname(3libunwind)get register name✨
unw_resume(3)resume execution in a particular stack frame✨
unw_resume(3libunwind)resume execution in a particular stack frame✨
unw_set_cache_size(3)set unwind cache size✨
unw_set_caching_policy(3)set unwind caching policy✨
unw_set_caching_policy(3libunwind)set unwind caching policy✨
unw_set_fpreg(3)set contents of floating-point register✨
unw_set_fpreg(3libunwind)set contents of floating-point register✨
unw_set_iterate_phdr_function(3)set dl_iterate_phdr implementation✨
unw_set_reg(3)set register contents✨
unw_set_reg(3libunwind)set register contents✨
unw_step(3)advance to next stack frame✨
unw_step(3libunwind)advance to next stack frame✨
unw_strerror(3)get text corresponding to error code✨
unwatch(3valkey)Forgets about watched keys of a transaction.✨
uoffset(3)Finds the offset of a character in a string. Allegro game programming library.✨
uoffset(3alleg4)Finds the offset of a character in a string. Allegro game programming library.✨
UP(3ncurses)curses emulation of termcap✨
UP(3x)curses emulation of termcap✨
update(3tcl)Process pending events and idle callbacks✨
update_dialog(3)Low level function to update a dialog player. Allegro game programming library.✨
update_dialog(3alleg4)Low level function to update a dialog player. Allegro game programming library.✨
update_menu(3)Low level function to update a menu player. Allegro game programming library.✨
update_menu(3alleg4)Low level function to update a menu player. Allegro game programming library.✨
update_panels(3)manage overlapping curses windows✨
update_panels(3curses)panel stack extension for curses✨
update_panels(3ncurses)manage overlapping curses windows✨
update_panels(3x)manage overlapping curses windows✨
update_panels_sp(3)curses screen-pointer extension✨
update_panels_sp(3ncurses)curses screen-pointer extension✨
update_panels_sp(3x)curses screen-pointer extension✨
updwtmp(3)append an entry to the wtmp file✨
updwtmpx(3)append an entry to the wtmp file✨
UPGRADING(3pm)Upgrade notes✨
upgtr(3){up,op}gtr: generate Q from hetrd✨
uplevel(3tcl)Execute a script in a different stack frame✨