tell.n

linux系统下的音频通信

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'\" Copyright (c) 1993 The Regents of the University of California.
'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
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'\" See the file "license.terms" for information on usage and redistribution
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'\" SCCS: @(#) tell.n 1.9 96/08/26 13:00:17
'\" 
.so man.macros
.TH tell n 7.5 Tcl "Tcl Built-In Commands"
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
tell \- Return current access position for an open channel
.SH SYNOPSIS
\fBtell \fIchannelId\fR
.BE

.SH DESCRIPTION
.PP
Returns a decimal string giving the current access position in
\fIchannelId\fR.
The value returned is -1 for channels that do not support
seeking.

.SH KEYWORDS
access position, channel, seeking