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 stan‐
dards 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 (visi‐
ble bell), if possible.
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 pro‐
duce no results. Nearly all terminals have an audible signal (bell or
beep), but only some can flash the screen.
The header file <curses.h> automatically includes the header file
These routines always return OK.