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HUFMAN (0, 2002-05-03)
HUFMAN\DOHUF.C (5488, 1993-12-21)
HUFMAN\UNHUF.C (5121, 1993-12-21)

21-Dec-93 The two C source files in this archive are specific to the TRS-80 Model 4 with high-resolution graphics board. However, the code which performs Huffman enco- ding and decoding is of general interest. PLEASE NOTE that because TRS-80 /HR files are of a known size (19,200 bytes), these programs do not require a character count in the Huffman header. In a more general application, it is suggested that either a total character count be added to the header to be read into a variable, or that the 256 individual character counts be summed, and the sum held in that variable. Then, where "19200" appears in the unhuf.c code, it should be replaced by that variable. ALSO NOTE that character counts are stored as signed short (16-bit) integers. You may wish to use unsigned shorts, or even longs, if the files to be com- pressed can be larger than 32767 or 65535 bytes. Both dohuf.c and unhuf.c are copyright 1993, J.F.R. Slinkman. No portion of either may be used for commercial purposes without specific, written permission of the author. A limited blanket license for individual, non-commercial use is hereby granted. J.F.R. "Frank" Slinkman FrankSlinkman@cs.com

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