# Synopsis

PDX_MSGT ugn_SetEnvAlias(long option, char *name, char *alias)

# Purpose

Define an alias for an environment variable.

# Description

A mapping from the name alias will be established for the environment variable name. A subsequent call to ugn_GetEnv with a variable of name will then look for alias in the environment. An existing mapping may be cleared by passing NULL for alias or redefined by passing a new value for alias.

# Input

## option

Options (not used)

## name

Environment variable to be aliased

## alias

Alias for name or NULL to clear an existing alias

# Return

Error