beep.3cur

<B>Digital的Unix操作系统VAX 4.2源码</B>

.TH beep 3cur 
.SH Name
beep, flash \- generate audiovisual alarm
.SH Syntax
.br
.B
#include <cursesX.h>
.PP
.br
.B
int beep(\|)
.PP
.B
int flash(\|)
.SH Description
.NXR "beep subroutine"
.NXR "flash subroutine"
The 
.PN beep
routine sounds the audible alarm on the terminal, if possible, 
otherwise it flashes the screen.
.PP
The routine 
.PN flash
flashes the screen, if possible, 
otherwise it sounds the audible alarm.
.PP
If neither signal can be used on a 
particular terminal,
nothing happens.
.SH Return Values
The 
.PN beep
and
.PN flash
functions return OK on success and ERR on error.