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32 lines
854 B
C
32 lines
854 B
C
/* ------------------- htree.h -------------------- */
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#ifndef HTREE_H
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#define HTREE_H
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typedef unsigned int DF_BYTECOUNTER;
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/* ---- Huffman tree structure for building ---- */
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struct DfHTree {
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DF_BYTECOUNTER cnt; /* character frequency */
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int parent; /* offset to parent node */
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int right; /* offset to right child node */
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int left; /* offset to left child node */
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};
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/* ---- Huffman tree structure in compressed file ---- */
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struct DfHTr {
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int right; /* offset to right child node */
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int left; /* offset to left child node */
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};
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extern struct DfHTr *DfHelpTree;
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void DfBuildTree(void);
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FILE *DfOpenHelpFile(void);
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void DfHelpFilePosition(long *, int *);
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void *DfGetHelpLine(char *);
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void DfSeekHelpLine(long, int);
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#endif
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