The return code may have one of the following values:
X′0C′ = syntax error
X′0E′ = value is too long
X′10′ = allocation of input dataset failed
X′12′ = open of input file failed
X′14′ = allocation of internal reader failed
X′16′ = open of internal reader failed
X′18′ = 1st rcd not a valid JCL statement
