Terminal I/O





Summary

Terminals have many features and options, most of which we're able to change to suit our needs. In this chapter, we've described numerous functions that change a terminal's operation: special input characters and the option flags. We've looked at all the terminal special characters and the many options that can be set or reset for a terminal device.

There are two modes of terminal inputcanonical (line at a time) and noncanonical. We showed examples of both modes and provided functions that map between the POSIX.1 terminal options and the older BSD cbreak and raw modes. We also described how to fetch and change the window size of a terminal.


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