NTSTATUS RtlCopySid( IN ULONG DestinationSidLength, OUT PSID DestinationSid, IN PSID SourceSid ); Routine Description: This routine copies the value of the source SID to the destination SID. Arguments: DestinationSidLength - Indicates the length, in bytes, of the destination SID buffer. DestinationSid - Pointer to a buffer to receive a copy of the source Sid value. SourceSid - Supplies the Sid value to be copied. Return Value: STATUS_SUCCESS - Indicates the SID was successfully copied. STATUS_BUFFER_TOO_SMALL - Indicates the target buffer wasn't large enough to receive a copy of the SID.