PPGetMessage( <nError> ) --> cMessage
     PPSplitLine( <cLine> ) --> aMultipleLines
     PreProcessLine( <cInputLine>, <cOutputLine>, [<nOutLen>]) --> nErrNum
     PreProcessorInstall( [<cStdchFileName>] ) --> nErrNum
     
PPGetMessage( <nError> ) --> cMessage
     PPSplitLine( <cLine> ) --> aMultipleLines
     PreProcessLine( <cInputLine>, <cOutputLine>, [<nOutLen>]) --> nErrNum
     PreProcessorInstall( [<cStdchFileName>] ) --> nErrNum