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MPPC Compression Software


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MPPC: ISDN-speed compression software
 
Implemented in Windows
95,98 and Windows NT
Hifn's patented compression libraries implement the identical compression algorithms found in our silicon chips so that a packet compressed with Hifn TM software on an ISDN router can be decompressed by a remote access concentrator using a Hifn compression processor.


Hifn MPPC
Compression
Software Library

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Hifn's
patented data compression algorithm MPPC (Microsoft Point-to-Point Compression) is available in the form of C language software libraries.

The MPPC-C Data Compression Software Library provides a processor independent software implementation of the MPPC algorithm in a C source code format. The software is compatible with ANSI C. This library supports the simultaneous use of multiple compression and decompression histories. Each history is completely independent of other histories. In addition, this software is reentrant. MPPC-C is fully compatible with Hifn's data compression compressor chips that support the MPPC algorithm.

Files compressed or decompressed with MPPC hardware or software may be compressed or decompressed interchangeably with MPPC hardware or software.

Features

  • MPPC compression format
  • Multiple history support
  • High performance
  • Windows® NT compatible

The MPPC-C library is composed of several files.
They are summarized below:

MPPC.H - This header file contains the function prototypes and constant definitions. This header file should be included in all source modules that access the MPPC-C library.
MPPCC.C - This source file contains the functions required for the compression operations.
MPPCD.C - This source file contains the functions required for the decompression operations.