The Single UNIX ® Specification, Version 2
Copyright © 1997 The Open Group


flash - flash the screen


#include <curses.h>

int flash(void);


The flash() function alerts the user. It flashes the screen, or if that is not possible, it sounds the audible alarm on the terminal. If neither signal is possible, nothing happens.


The flash() function always returns OK.


No errors are defined.


Nearly all terminals have an audible alarm, but only some can flash the screen.


beep(), <curses.h>.

UNIX ® is a registered Trademark of The Open Group.
Copyright © 1997 The Open Group
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