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- <STRONG>beep</STRONG>, <STRONG>flash</STRONG> - <STRONG>curses</STRONG> bell and screen flash routines
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-<H2>SYNOPSIS</H2><PRE>
- <STRONG>#include</STRONG> <STRONG><curses.h></STRONG>
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- <STRONG>int</STRONG> <STRONG>beep(void);</STRONG>
- <STRONG>int</STRONG> <STRONG>flash(void);</STRONG>
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-<H2>DESCRIPTION</H2><PRE>
- The <STRONG>beep</STRONG> and <STRONG>flash</STRONG> routines are used to alert the terminal
- user. The routine <STRONG>beep</STRONG> sounds an audible alarm on the
- terminal, if possible; otherwise it flashes the screen
- (visible bell). The routine <STRONG>flash</STRONG> flashes the screen, and
- if that is not possible, sounds the alert. If neither
- alert is possible, nothing happens. Nearly all terminals
- have an audible alert (bell or beep), but only some can
- flash the screen.
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-<H2>RETURN VALUE</H2><PRE>
- These routines return <STRONG>OK</STRONG> if they succeed in beeping or
- flashing, <STRONG>ERR</STRONG> otherwise.
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-<H2>EXTENSIONS</H2><PRE>
- SVr4's beep and flash routines always returned <STRONG>OK</STRONG>, so it
- was not possible to tell when the beep or flash failed.
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-<H2>PORTABILITY</H2><PRE>
- These functions are defined in the XSI Curses standard,
- Issue 4. Like SVr4, it specifies that they always return
- <STRONG>OK</STRONG>.
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-<H2>SEE ALSO</H2><PRE>
- <STRONG><A HREF="ncurses.3x.html">curses(3X)</A></STRONG>
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