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  Returns
 
    Word    Number of variables defined in the DOS environment
 
  Description
 
    The EnvCount function returns the number of environment variables
    currently defined in the DOS environment.
 
    Examine a particular variable by passing its index to the EnvStr
    function. Examine the same variable by passing a string containing
    the variable name to the GetEnv function.
 
    Consult a DOS manual for further information about the DOS
    environment and the environment variables.