echo noecho

The echo and noecho routines are used to enable and disable terminal echo.

Syntax

   #include <curses.h>



   int echo();

   int noecho();

Return Values

OK: Successful completion.
ERR: An error occurred.

Description

The echo() and noecho() routines enable and disable the terminal echo, respectively. When enabled, characters received by getch() are echoed back to the terminal. When disabled, characters are transferred to the program without echoing them to the terminal display. The program may instead echo the characters to an area of the screen controlled by the program or may not echo the characters at all. Terminal echo is enabled, by default.

Subsequent calls to echo() or noecho() do not flush type-ahead.




	NOTE: The tty driver `echo` is disabled by `initscr()` and `newterm()`. All echoing is controlled by `CURSES`.

Implementation Considerations

Identical to XPG/3

Portability

HP-UX, UNIX System V, XPG/3

echo noecho

Technical documentation

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Syntax

Return Values

Description

Implementation Considerations

See Also

Portability