LZH
---
        LZH file header structure

        Byte number      Value(s)        Meaning
        --------------------------------------------------------------
        0                ---             Header size 
        1                ---             Cksum of remaining bytes 
        2-6              ---             Method 
        7-10             ---             Compressed size 
        11-14            ---             Uncompressed size 
        15-16            ---             Time format
        17-18            ---             Date format
        19-20            ---             File attribute 
        21-22            ---             Filename/path length 
        23-XX            ---             Filename/path 
        XX+1-XX+2        ---             CRC-16 
 
        Compression method
        ------------------ 
        -lh0-   No compression used 
        -lh1-   LZW, 4K buffer, Huffman for upper 6 bits of pos 
        -lz4-   LZW, Arithmetic Encoding 
        -lz5-   LZW, Arithmetic Encoding