The Open Group Base Specifications Issue 7
IEEE Std 1003.1-2008, 2016 Edition
Copyright © 2016 The IEEE and The Open Group, All Rights reserved.

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### T

- _tolower() - transliterate uppercase characters to lowercase
- _toupper() - transliterate lowercase characters to uppercase
- tabs - set terminal tabs
- tail - copy the last part of a file
- talk - talk to another user
- tan(), tanf, tanl - tangent function
- tanf(), tan, tanl - tangent function
- tanh(), tanhf, tanhl - hyperbolic tangent functions
- tanhf(), tanh, tanhl - hyperbolic tangent functions
- tanhl(), tanh, tanhf - hyperbolic tangent functions
- tanl(), tan, tanf - tangent function
- tar.h - extended tar definitions
- 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 the foreground process group ID
- tcgetsid() - get the process group ID for the session leader for the controlling terminal
- tcsendbreak() - send a break for a specific duration
- tcsetattr() - set the parameters associated with the terminal
- tcsetpgrp() - set the foreground process group ID
- tdelete(), tfind, tsearch, twalk - manage a binary search tree
- tee - duplicate standard input
- telldir() - current location of a named directory stream
- tempnam() - create a name for a temporary file
- termios.h - define values for termios
- test - evaluate expression
- tfind(), tdelete, tsearch, twalk - manage a binary search tree
- tgamma(), tgammaf, tgammal - compute gamma() function
- tgammaf(), tgamma, tgammal - compute gamma() function
- tgammal(), tgamma, tgammaf - compute gamma() function
- tgmath.h - type-generic macros
- time - time a simple command
- time() - get time
- time.h - time types
- timer_create() - create a per-process timer
- timer_delete() - delete a per-process timer
- timer_getoverrun(), timer_gettime, timer_settime - per-process timers
- timer_gettime(), timer_getoverrun, timer_settime - per-process timers
- timer_settime(), timer_getoverrun, timer_gettime - per-process timers
- times - write process times
- times() - get process and waited-for child process times
- timezone, daylight, tzname, tzset - set timezone conversion information
- tmpfile() - create a temporary file
- tmpnam() - create a name for a temporary file
- toascii() - translate an integer to a 7-bit ASCII character
- tolower(), tolower_l - transliterate uppercase characters to lowercase
- tolower_l(), tolower - transliterate uppercase characters to lowercase
- touch - change file access and modification times
- toupper(), toupper_l - transliterate lowercase characters to uppercase
- toupper_l(), toupper - transliterate lowercase characters to uppercase
- towctrans(), towctrans_l - wide-character transliteration
- towctrans_l(), towctrans - wide-character transliteration
- towlower(), towlower_l - transliterate uppercase wide-character code to lowercase
- towlower_l(), towlower - transliterate uppercase wide-character code to lowercase
- towupper(), towupper_l - transliterate lowercase wide-character code to uppercase
- towupper_l(), towupper - transliterate lowercase wide-character code to uppercase
- tput - change terminal characteristics
- tr - translate characters
- trace.h - tracing
- trap - trap signals
- true - return true value
- trunc(), truncf, truncl - round to truncated integer value
- truncate() - truncate a file to a specified length
- truncf(), trunc, truncl - round to truncated integer value
- truncl(), trunc, truncf - round to truncated integer value
- tsearch(), tdelete, tfind, twalk - manage a binary search tree
- tsort - topological sort
- tty - return user's terminal name
- ttyname(), ttyname_r - find the pathname of a terminal
- ttyname_r(), ttyname - find the pathname of a terminal
- twalk(), tdelete, tfind, tsearch - manage a binary search tree
- type - write a description of command type
- tzname, daylight, timezone, tzset - set timezone conversion information
- tzset(), daylight, timezone, tzname - set timezone conversion information

Topics

- Tab Character (<tab>)
- Terminal (or Terminal Device)
- Text Column
- Text File
- Thread ID
- Thread List
- Thread-Safe
- Thread-Safety
- Thread-Specific Data Key
- Thread
- Tilde Character (<tilde>)
- Timeouts
- Timer Overrun
- Timer
- Token
- Trace Analyzer Process
- Trace Controller Process
- Trace Event Type Mapping
- Trace Event Type
- Trace Event
- Trace Filter
- Trace Generation Version
- Trace Log
- Trace Point
- Trace Stream Identifier
- Trace Stream
- Trace System
- Traced Process
- Tracing Status of a Trace Stream
- Tracing
- Treatment of Error Conditions for Mathematical Functions
- Treatment of NaN Arguments for the Mathematical Functions
- Typed Memory Name Space
- Typed Memory Object
- Typed Memory Pool
- Typed Memory Port