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OpenDarwin 7.2.1 - man page for curs_beep (opendarwin section 3X)

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curs_beep(3X)									    curs_beep(3X)

NAME
       beep, flash - curses bell and screen flash routines

SYNOPSIS
       #include <curses.h>

       int beep(void);
       int flash(void);

DESCRIPTION
       The  beep and flash routines are used to alert the terminal user.  The routine beep sounds
       an audible alarm on the terminal, if possible; otherwise it flashes  the  screen  (visible
       bell).	The  routine  flash  flashes  the screen, and if that is not possible, sounds the
       alert.  If neither alert is possible, nothing happens.  Nearly all terminals have an audi-
       ble alert (bell or beep), but only some can flash the screen.

RETURN VALUE
       These routines return OK if they succeed in beeping or flashing, ERR otherwise.

EXTENSIONS
       SVr4's beep and flash routines always returned OK, so it was not possible to tell when the
       beep or flash failed.

PORTABILITY
       These functions are defined in the XSI Curses standard, Issue 4.  Like SVr4, it	specifies
       that they always return OK.

SEE ALSO
       curses(3X)

										    curs_beep(3X)
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