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-rw-r--r--doc/fblocked.n10
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/fblocked.n b/doc/fblocked.n
index 96001f6..7f8fe54 100644
--- a/doc/fblocked.n
+++ b/doc/fblocked.n
@@ -4,7 +4,7 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: fblocked.n,v 1.3 2000/09/07 14:27:47 poenitz Exp $
+'\" RCS: @(#) $Id: fblocked.n,v 1.4 2001/09/14 19:20:40 andreas_kupries Exp $
.so man.macros
.TH fblocked n 7.5 Tcl "Tcl Built-In Commands"
.BS
@@ -25,9 +25,15 @@ characters available for input and no end-of-line sequence, \fBgets\fR
returns an empty string and a subsequent call to \fBfblocked\fR will
return 1.
.PP
+.VS
+\fIChannelId\fR must be an identifier for an open channel such as a
+Tcl standard channel (\fBstdin\fR, \fBstdout\fR, or \fBstderr\fR),
+the return value from an invocation of \fBopen\fR or \fBsocket\fR, or
+the result of a channel creation command provided by a Tcl extension.
+.VE
.SH "SEE ALSO"
-gets(n), open(n), read(n)
+gets(n), open(n), read(n), Tcl_StandardChannels(3)
.SH KEYWORDS
blocking, nonblocking