Format a raw blob in to a byte buffer

C# |
protected internal virtual int format( byte[] buf, int offset, LBMSDMRawBlob src )

- buf (array< Byte >[]()[])
- The byte buffer to have the blob formatted in
- offset (Int32)
- The offset to begin formatting in the buffer
- src (LBMSDMRawBlob)
- The blob to be formatted

The updated offset after formatting (points to an unused offset)