'\" te
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.TH BEEP 3XCURSES "Jun 5, 2002"
.SH NAME
beep, flash \- activate audio-visual alarm
.SH SYNOPSIS
.LP
.nf
\fBcc\fR [ \fIflag\fR... ] \fIfile\fR... \fB-I\fR /usr/xpg4/include \fB -L \fR /usr/xpg4/lib \e
\fB -R \fR /usr/xpg4/lib \fB -lcurses \fR [ \fIlibrary\fR... ]

\fBc89\fR [ \fIflag\fR... ] \fIfile\fR... \fB-lcurses\fR [ \fIlibrary\fR... ]

#include <curses.h>

\fBint\fR \fBbeep\fR(\fBvoid\fR);
.fi

.LP
.nf
\fBint\fR \fBflash\fR(\fBvoid\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBbeep()\fR and \fBflash()\fR functions produce an audio and visual alarm
on the terminal, respectively.  If the terminal has the capability,
\fBbeep()\fR sounds a bell or beep and  \fBflash()\fR flashes the screen.  One
alarm is substituted for another if the terminal does not support the
capability called (see  \fBterminfo\fR(5) \fBbel\fR and \fBflash\fR
capabilities). For example, a call to \fBbeep()\fR for a terminal without that
capability  results in a flash.
.SH RETURN VALUES
.sp
.LP
These functions always return \fBOK\fR.
.SH ERRORS
.sp
.LP
None.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard
_
MT-Level	Unsafe
.TE

.SH SEE ALSO
.sp
.LP
.BR libcurses (3XCURSES),
.BR terminfo (5),
.BR attributes (7),
.BR standards (7)