Tcl Library Procedures - Tcl_PutEnv manual page

### NAME

Tcl_PutEnv - procedures to manipulate the environment

### SYNOPSIS

#include <tcl.h>
int
Tcl_PutEnv(assignment)

### ARGUMENTS

const char *assignnment (in)
  Info about environment variable in the format NAME=value. The assignment argument is in the system encoding.

### DESCRIPTION

Tcl_PutEnv 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 putenv system call. All Tcl-based applications using putenv should redefine it to Tcl_PutEnv so that they will interface properly to the Tcl runtime.

### KEYWORDS

environment, variable

    Copyright © 1997-1998 Sun Microsystems, Inc.
    Copyright © 1995-1997 Roger E. Critchlow Jr.