curs_beep, beep, flash - Curses bell and screen flash routines
void ); int flash(
Curses Library (libcurses)
Interfaces documented on this reference page conform to
industry standards as follows:
beep, flash: XCURSES4.2
Refer to the standards(5) reference page for more information
about industry standards and associated tags.
The beep and flash routines are used to alert the terminal
user. The routine beep sounds the audible alarm on the
terminal, if possible. If an audible alarm is not possible,
the routine flashes the screen (visible bell), if
The routine flash flashes the screen, and if that is not
possible, sounds the audible alarm.
If neither an audible or visual signal is possible, these
routines produce no results. Nearly all terminals have an
audible signal (bell or beep), but only some can flash the
The header file <curses.h> automatically includes the
header file <stdio.h>.
These routines always return OK.
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