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'\"
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'\" Copyright (c) 1996 Sun Microsystems, Inc.
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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'\" RCS: @(#) $Id: fblocked.n,v 1.1.1.1 2002-01-16 10:25:24 markom Exp $
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.so man.macros
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.TH fblocked n 7.5 Tcl "Tcl Built-In Commands"
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.BS
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'\" Note: do not modify the .SH NAME line immediately below!
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.SH NAME
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fblocked \- Test whether the last input operation exhausted all available input
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.SH SYNOPSIS
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\fBfblocked \fIchannelId\fR
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.BE
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.SH DESCRIPTION
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.PP
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The \fBfblocked\fR command returns 1 if the most recent input operation
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on \fIchannelId\fR returned less information than requested because all
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available input was exhausted.
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For example, if \fBgets\fR is invoked when there are only three
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characters available for input and no end-of-line sequence, \fBgets\fR
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returns an empty string and a subsequent call to \fBfblocked\fR will
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return 1.
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.PP
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.SH "SEE ALSO"
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gets(n), read(n)
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.SH KEYWORDS
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blocking, nonblocking
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