Digital

NAME

beep, flash − generate audiovisual alarm

SYNOPSIS

#include <curses.h>

int beep()

int flash()

DESCRIPTION

The beep routine sounds the audible alarm on the terminal, if possible; otherwise it flashes the screen. 

The routine flash flashes the screen, if possible, otherwise it sounds the audible alarm. 

If neither signal can be used on a particular terminal, nothing happens. 

RETURN VALUES

The beep and flash functions return OK on success and ERR on error.