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NAME

beep, flash - activate audio-visual alarm
 

SYNOPSIS

cc [ flag... ] file... -I /usr/xpg4/include  -L  /usr/xpg4/lib \
 -R  /usr/xpg4/lib  -lcurses  [ library... ]

c89 [ flag... ] file... -lcurses [ library... ]

#include <curses.h>

int beep(void);

int flash(void);

DESCRIPTION

The beep() and flash() functions produce an audio and visual alarm on the terminal, respectively. If the terminal has the capability, beep() sounds a bell or beep and flash() flashes the screen. One alarm is substituted for another if the terminal does not support the capability called (see terminfo(4) bel and flash capabilities). For example, a call to beep() for a terminal without that capability results in a flash.  

RETURN VALUES

These functions always return OK.  

ERRORS

None.  

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Standard MT-Level

SEE ALSO

libcurses(3XCURSES), terminfo(4), attributes(5), standards(5)

Index

NAME

SYNOPSIS

DESCRIPTION

RETURN VALUES

ERRORS

ATTRIBUTES

SEE ALSO

Партнёры:

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