23 lines
1.2 KiB
HTML
23 lines
1.2 KiB
HTML
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<HTML><HEAD><TITLE>Tcl Built-In Commands - fblocked manual page</TITLE></HEAD><BODY>
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<H3><A NAME="M2">NAME</A></H3>
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fblocked - Test whether the last input operation exhausted all available input
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<H3><A NAME="M3">SYNOPSIS</A></H3>
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<B>fblocked </B><I>channelId</I><BR>
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<H3><A NAME="M4">DESCRIPTION</A></H3>
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The <B>fblocked</B> command returns 1 if the most recent input operation
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on <I>channelId</I> returned less information than requested because all
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available input was exhausted.
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For example, if <B><A HREF="../TkCmd/gets.htm">gets</A></B> is invoked when there are only three
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characters available for input and no end-of-line sequence, <B><A HREF="../TkCmd/gets.htm">gets</A></B>
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returns an empty string and a subsequent call to <B>fblocked</B> will
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return 1.
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<P>
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<H3><A NAME="M5">SEE ALSO</A></H3>
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<B><A HREF="../TkCmd/gets.htm">gets</A></B>, <B><A HREF="../TkCmd/open.htm">open</A></B>, <B><A HREF="../TkCmd/read.htm">read</A></B>
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<H3><A NAME="M6">KEYWORDS</A></H3>
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<A href="../Keywords/B.htm#blocking">blocking</A>, <A href="../Keywords/N.htm#nonblocking">nonblocking</A>
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<HR><PRE>
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<A HREF="../copyright.htm">Copyright</A> © 1996 Sun Microsystems, Inc.
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<A HREF="../copyright.htm">Copyright</A> © 1995-1997 Roger E. Critchlow Jr.</PRE>
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</BODY></HTML>
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