section 3 · Library functions 📚

U (continued)

• UStencil(3U)structured graphic displaying a bitmap✨
• ustpcpy(3)copying strings and character sequences✨
• ustr(3)ustr string library functions✨
• ustr2stp(3)copying strings and character sequences✨
• ustr_const(3)ustr string library constants✨
• ustrcat(3)Concatenates a string to another one. Allegro game programming library.✨
• ustrcat(3alleg4)Concatenates a string to another one. Allegro game programming library.✨
• ustrchr(3)Finds the first occurrence of a character in a string. Allegro game programming library.✨
• ustrchr(3alleg4)Finds the first occurrence of a character in a string. Allegro game programming library.✨
• ustrcmp(3)Compares two strings. Allegro game programming library.✨
• ustrcmp(3alleg4)Compares two strings. Allegro game programming library.✨
• ustrcpy(3)Copies a string into another one. Allegro game programming library.✨
• ustrcpy(3alleg4)Copies a string into another one. Allegro game programming library.✨
• ustrdup(3)Duplicates a string. Allegro game programming library.✨
• ustrdup(3alleg4)Duplicates a string. Allegro game programming library.✨
• ustrerror(3)Returns a string describing errno. Allegro game programming library.✨
• ustrerror(3alleg4)Returns a string describing errno. Allegro game programming library.✨
• ustricmp(3)Compares two strings ignoring case. Allegro game programming library.✨
• ustricmp(3alleg4)Compares two strings ignoring case. Allegro game programming library.✨
• ustrlen(3)Tells the number of characters in a string. Allegro game programming library.✨
• ustrlen(3alleg4)Tells the number of characters in a string. Allegro game programming library.✨
• ustrlwr(3)Replaces all letters with lower case. Allegro game programming library.✨
• ustrlwr(3alleg4)Replaces all letters with lower case. Allegro game programming library.✨
• ustrncat(3)Concatenates a string to another one, specifying size. Allegro game programming library.✨
• ustrncat(3alleg4)Concatenates a string to another one, specifying size. Allegro game programming library.✨
• ustrncmp(3)Compares up to n letters of two strings. Allegro game programming library.✨
• ustrncmp(3alleg4)Compares up to n letters of two strings. Allegro game programming library.✨
• ustrncpy(3)Copies a string into another one, specifying size. Allegro game programming library.✨
• ustrncpy(3alleg4)Copies a string into another one, specifying size. Allegro game programming library.✨
• ustrnicmp(3)Compares up to n letters of two strings ignoring case. Allegro game programming library.✨
• ustrnicmp(3alleg4)Compares up to n letters of two strings ignoring case. Allegro game programming library.✨
• ustrpbrk(3)Finds the first character that matches any in a set. Allegro game programming library.✨
• ustrpbrk(3alleg4)Finds the first character that matches any in a set. Allegro game programming library.✨
• ustrrchr(3)Finds the last occurrence of a character in a string. Allegro game programming library.✨
• ustrrchr(3alleg4)Finds the last occurrence of a character in a string. Allegro game programming library.✨
• ustrsize(3)Size of the string in bytes without null terminator. Allegro game programming library.✨
• ustrsize(3alleg4)Size of the string in bytes without null terminator. Allegro game programming library.✨
• ustrsizez(3)Size of the string in bytes including null terminator. Allegro game programming library.✨
• ustrsizez(3alleg4)Size of the string in bytes including null terminator. Allegro game programming library.✨
• ustrstr(3)Finds the first occurrence of a string in another one. Allegro game programming library.✨
• ustrstr(3alleg4)Finds the first occurrence of a string in another one. Allegro game programming library.✨
• ustrtod(3)Converts a string into a floating point number. Allegro game programming library.✨
• ustrtod(3alleg4)Converts a string into a floating point number. Allegro game programming library.✨
• ustrtok(3)Retrieves tokens from a string. Allegro game programming library.✨
• ustrtok(3alleg4)Retrieves tokens from a string. Allegro game programming library.✨
• ustrtok_r(3)Reentrant function to retrieve tokens from a string. Allegro game programming library.✨
• ustrtok_r(3alleg4)Reentrant function to retrieve tokens from a string. Allegro game programming library.✨
• ustrtol(3)Converts a string into an integer. Allegro game programming library.✨
• ustrtol(3alleg4)Converts a string into an integer. Allegro game programming library.✨
• ustrupr(3)Replaces all letters with upper case. Allegro game programming library.✨
• ustrupr(3alleg4)Replaces all letters with upper case. Allegro game programming library.✨
• ustrzcat(3)Concatenates a string to another one, specifying size. Allegro game programming library.✨
• ustrzcat(3alleg4)Concatenates a string to another one, specifying size. Allegro game programming library.✨
• ustrzcpy(3)Copies a string into another one, specifying size. Allegro game programming library.✨
• ustrzcpy(3alleg4)Copies a string into another one, specifying size. Allegro game programming library.✨
• ustrzncat(3)Concatenates a string to another one, specifying size. Allegro game programming library.✨
• ustrzncat(3alleg4)Concatenates a string to another one, specifying size. Allegro game programming library.✨
• ustrzncpy(3)Copies a string into another one, specifying size. Allegro game programming library.✨
• ustrzncpy(3alleg4)Copies a string into another one, specifying size. Allegro game programming library.✨
• usual(3itk)access default option-handling commands for a mega-widget component✨
• usubBorrow(3G)subtract unsigned integers and generate borrow✨
• uszprintf(3)Writes formatted data into a buffer, specifying size. Allegro game programming library.✨
• uszprintf(3alleg4)Writes formatted data into a buffer, specifying size. Allegro game programming library.✨
• ut(3)URI template facility✨
• utempter(3)utempter interface✨
• utempter_add_record(3)utempter interface✨
• utempter_remove_added_record(3)utempter interface✨
• utempter_remove_record(3)utempter interface✨
• utempter_set_helper(3)utempter interface✨
• utf-16-codec(3scm)predefined codecs✨
• utf-8-codec(3scm)predefined codecs✨
• utf16->string(3scm)convert between strings and bytevectors✨
• utf32->string(3scm)convert between strings and bytevectors✨
• utf8(3perl)Perl pragma to enable/disable UTF-8 (or UTF-EBCDIC) in source code✨
• utf8(3pm)Perl pragma to enable/disable UTF-8 (or UTF-EBCDIC) in source code✨
• utf8->string(3scm)convert between strings and bytevectors✨
• utf8::all(3pm)turn on Unicode - all of it✨
• utf8kind(3)Quick check an offset into a string✨
• uthash-dev(3)Hash map and linked list implementation✨
• util(3ncurses)miscellaneous curses utility routines✨
• util.c(3)Internal utility functions for the g2c library.✨
• util.h(3)Вспомогательные функции и макросы✨
• Util::H2O(3pm)Hash to Object: turns hashrefs into objects with accessors for keys✨
• util_atomic(3)✨
• util_atomic(3avr)<util/atomic.h> Atomically and Non-Atomically Executed Code Blocks✨
• util_crc(3)✨
• util_crc(3avr)<util/crc16.h>: CRC Computations✨
• util_delay(3)✨
• util_delay(3avr)<util/delay.h>: Convenience functions for busy-wait delay loops✨
• util_delay_basic(3)✨
• util_delay_basic(3avr)<util/delay_basic.h>: Basic busy-wait delay loops✨
• util_parity(3)✨
• util_parity(3avr)<util/parity.h>: Parity bit generation✨
• util_setbaud(3)✨
• util_setbaud(3avr)<util/setbaud.h>: Helper macros for baud rate calculations✨
• util_twi(3)✨
• util_twi(3avr)<util/twi.h>: TWI bit mask definitions✨
• util_twi.h(3)✨
• util_twi.h(3avr)✨
• utilities(3)✨
• utility(3)✨
• Utils.pm(3)AAT Utils module✨
• utime(3)set file times✨
• utime(3p)set file access and modification times✨
• utime(3posix)set file access and modification times✨
• utimensat(3p)set file access and modification times✨
• utimensat(3posix)set file access and modification times✨
• utmpname(3)access utmp file entries✨
• utmpx(3)user accounting database functions✨
• utmpxname(3)access utmp file entries✨
• utoa(3)✨
• utoa(3avr)<stdlib.h>: General utilities✨
• utolower(3)Converts a letter to lower case. Allegro game programming library.✨
• utolower(3alleg4)Converts a letter to lower case. Allegro game programming library.✨
• utoupper(3)Converts a letter to upper case. Allegro game programming library.✨
• utoupper(3alleg4)Converts a letter to upper case. Allegro game programming library.✨
• uu_lock(3)acquire and release control of a serial device✨
• uu_lock_txfr(3)acquire and release control of a serial device✨
• uu_lockerr(3)acquire and release control of a serial device✨
• uu_unlock(3)acquire and release control of a serial device✨
• uucplock(3)acquire and release control of a serial device✨
• uuencode(3tcl)UU-encode/decode binary data✨
• uuencode(3trf)Encoding "uuencode"✨
• uuid(3)DCE compatible Universally Unique Identifier library✨
• uuid(3ossp)Universally Unique IDentifier✨
• UUID(3pm)Universally Unique Identifier library for Perl✨
• uuid(3tcl)UUID generation and comparison✨
• uuid++(3)Universally Unique Identifier (C++ API)✨
• uuid++(3ossp)deprecated unusable API to the C++ OSSP Universally Unique Identifier library✨
• UUID::Tiny(3pm)Pure Perl UUID Support With Functional Interface✨
• UUID::URandom(3pm)UUIDs based on /dev/urandom or the Windows Crypto API✨
• uuid_clear(3)reset value of UUID variable to the NULL value✨
• uuid_compare(3)compare whether two UUIDs are the same✨
• uuid_copy(3)copy a UUID value✨
• uuid_create(3)DCE 1.1 compliant UUID functions✨
• uuid_create_nil(3)DCE 1.1 compliant UUID functions✨
• uuid_dec_be(3)DCE 1.1 compliant UUID functions✨
• uuid_dec_le(3)DCE 1.1 compliant UUID functions✨
• uuid_enc_be(3)DCE 1.1 compliant UUID functions✨
• uuid_enc_le(3)DCE 1.1 compliant UUID functions✨
• uuid_equal(3)DCE 1.1 compliant UUID functions✨
• uuid_from_string(3)DCE 1.1 compliant UUID functions✨
• uuid_generate(3)create a new unique UUID value✨
• uuid_generate_random(3)create a new unique UUID value✨
• uuid_generate_time(3)create a new unique UUID value✨
• uuid_generate_time_safe(3)create a new unique UUID value✨
• uuid_hash(3)DCE 1.1 compliant UUID functions✨
• uuid_is_nil(3)DCE 1.1 compliant UUID functions✨
• uuid_is_null(3)compare the value of the UUID to the NULL value✨
• uuid_parse(3)convert an input UUID string into binary representation✨
• uuid_time(3)extract the time at which the UUID was created✨
• uuid_to_string(3)DCE 1.1 compliant UUID functions✨
• uuid_unparse(3)convert a UUID from binary representation to a string✨
• UVI(3)HobbyBoards EE/EF Microprocessor-based slaves: Ultra Violet (UV) Index sensor, Soil and Leaf moisture measurements, Barometer, 4-channel hub with switchable branches✨
• uvsprintf(3)Writes formatted data into a buffer, using variable arguments. Allegro game programming library.✨
• uvsprintf(3alleg4)Writes formatted data into a buffer, using variable arguments. Allegro game programming library.✨
• uvszprintf(3)Writes formatted data into a buffer, using size and variable arguments. Allegro game programming library.✨
• uvszprintf(3alleg4)Writes formatted data into a buffer, using size and variable arguments. Allegro game programming library.✨
• uwidth(3)Low level helper function for testing Unicode text data. Allegro game programming library.✨
• uwidth(3alleg4)Low level helper function for testing Unicode text data. Allegro game programming library.✨
• uwidth_max(3)Number of bytes a character can occupy. Allegro game programming library.✨
• uwidth_max(3alleg4)Number of bytes a character can occupy. Allegro game programming library.✨
• uwildmat(3)Perform wildmat matching✨
• uwsm-plugins(3)Plugins for Universal Wayland Session Manager.✨

V

• v(3)✨
• V(3pm)Print version of the specified module(s).✨
• v2i_ASN1_BIT_STRING(3ssl)ASN.1 BIT STRING utility functions for certificate extensions✨
• V3D(3)Fixed point vertex structure used by 3d functions. Allegro game programming library.✨
• V3D(3alleg4)Fixed point vertex structure used by 3d functions. Allegro game programming library.✨
• V3D_f(3)Floating point vertex structure used by 3d functions. Allegro game programming library.✨
• V3D_f(3alleg4)Floating point vertex structure used by 3d functions. Allegro game programming library.✨
• v6(3pm)A Perl 6 implementation✨
• v6::perlito(3pm)A Perlito Perl6 front-end for v6.pm✨
• v_pt_rsv_flags(3)✨
• va_arg(3)variable argument lists✨
• va_arg(3p)handle variable argument list✨
• va_arg(3posix)handle variable argument list✨
• va_copy(3)variable argument lists✨
• va_end(3)variable argument lists✨
• va_list(3)overview of system data types✨
• va_list(3type)variable argument list✨
• va_start(3)variable argument lists✨
• vacall(3)C functions called with variable arguments✨
• val(3)✨
• val(3caca)Option parsing.✨
• val64(3)✨
• val_add_valpolicy(3)Configuration policy for the DNSSEC validator library libval(3) val_add_valpolicy - Dynamically add a new policy to the validator context val_remove_valpolicy - Remove a dynamically added policy from…✨
• val_async_cancel(3)submits a request for asynchronous processing of DNS queries. val_async_select_info() - set the appropriate file descriptors for outstanding asynchronous requests. val_async_check_wait() - handle…✨
• val_async_cancel_all(3)submits a request for asynchronous processing of DNS queries. val_async_select_info() - set the appropriate file descriptors for outstanding asynchronous requests. val_async_check_wait() - handle…✨
• val_async_check_wait(3)submits a request for asynchronous processing of DNS queries. val_async_select_info() - set the appropriate file descriptors for outstanding asynchronous requests. val_async_check_wait() - handle…✨
• val_async_select_info(3)submits a request for asynchronous processing of DNS queries. val_async_select_info() - set the appropriate file descriptors for outstanding asynchronous requests. val_async_check_wait() - handle…✨
• val_async_submit(3)submits a request for asynchronous processing of DNS queries. val_async_select_info() - set the appropriate file descriptors for outstanding asynchronous requests. val_async_check_wait() - handle…✨
• val_context_setqflags(3)manage validator context val_context_setqflags() - manage validator context flags val_resolve_and_check(), val_free_result_chain() - query and validate answers from a DNS name server val_istrusted()…✨
• val_create_context(3)manage validator context val_context_setqflags() - manage validator context flags val_resolve_and_check(), val_free_result_chain() - query and validate answers from a DNS name server val_istrusted()…✨
• val_dane_check(3)Perform synchronous validation of TLSA records val_dane_submit() - Perform asynchronous validation of TLSA records val_dane_match() - Validate TLSA information against provided data. val_dane_check()…✨
• val_dane_match(3)Perform synchronous validation of TLSA records val_dane_submit() - Perform asynchronous validation of TLSA records val_dane_match() - Validate TLSA information against provided data. val_dane_check()…✨
• val_dane_submit(3)Perform synchronous validation of TLSA records val_dane_submit() - Perform asynchronous validation of TLSA records val_dane_match() - Validate TLSA information against provided data. val_dane_check()…✨
• val_does_not_exist(3)manage validator context val_context_setqflags() - manage validator context flags val_resolve_and_check(), val_free_result_chain() - query and validate answers from a DNS name server val_istrusted()…✨
• val_free_answer_chain(3)get DNSSEC-validated resource record information✨
• val_free_context(3)manage validator context val_context_setqflags() - manage validator context flags val_resolve_and_check(), val_free_result_chain() - query and validate answers from a DNS name server val_istrusted()…✨