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(libc.info)Low-Level Terminal Interface

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Low-Level Terminal Interface
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   This chapter describes functions that are specific to terminal
devices.  You can use these functions to do things like turn off input
echoing; set serial line characteristics such as line speed and flow
control; and change which characters are used for end-of-file,
command-line editing, sending signals, and similar control functions.

   Most of the functions in this chapter operate on file descriptors.
Note: Low-Level I/O, for more information about what a file
descriptor is and how to open a file descriptor for a terminal device.

Is It a Terminal

How to determine if a file is a terminal

device, and what its name is.

I/O Queues

About flow control and typeahead.

Canonical or Not

Two basic styles of input processing.

Terminal Modes

How to examine and modify flags controlling

details of terminal I/O: echoing, signals, editing. Posix.

BSD Terminal Modes

BSD compatible terminal mode setting

Line Control

Sending break sequences, clearing

terminal buffers ...

Noncanon Example

How to read single characters without echo.

Pseudo-Terminals

How to open a pseudo-terminal.