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'\"
'\" Copyright (c) 1997-1998 Sun Microsystems, Inc.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: Environment.3,v 1.1.18.1 2005/05/03 17:53:41 dgp Exp $
'\"
.so man.macros
.TH Tcl_PutEnv 3 "7.5" Tcl "Tcl Library Procedures"
.BS
.SH NAME
Tcl_PutEnv \- procedures to manipulate the environment
.SH SYNOPSIS
.nf
\fB#include <tcl.h>\fR
.sp
int
\fBTcl_PutEnv\fR(\fIstring\fR)
.SH ARGUMENTS
.AP "CONST char" *string in
Info about environment variable in the form NAME=value.
The \fIstring\fR argument is in the system encoding.
.BE
.SH DESCRIPTION
.PP
\fBTcl_PutEnv\fR sets an environment variable. The information is
passed in a single string of the form NAME=value. This procedure is
intended to be a stand-in for the UNIX \fBputenv\fR system call. All
tcl-based applications using \fBputenv\fR should redefine it to
\fBTcl_PutEnv\fR so that they will interface properly to the Tcl
runtime.
.SH KEYWORDS
environment, variable
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