VOID RtlUpperString( IN PSTRING DestinationString, IN PSTRING SourceString ); Routine Description: The RtlUpperString function copies the SourceString to the DestinationString, converting it to upper case. The MaximumLength and Buffer fields of DestinationString are not modified by this function. The number of bytes copied from the SourceString is either the Length of SourceString or the MaximumLength of DestinationString, whichever is smaller. Arguments: DestinationString - Pointer to the destination string. SourceString - Pointer to the source string. Return Value: None.