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32 lines
830 B
C
32 lines
830 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 BYTECOUNTER;
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/* ---- Huffman tree structure for building ---- */
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struct htree {
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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 htr {
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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 htr *HelpTree;
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void buildtree(void);
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FILE *OpenHelpFile(void);
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void HelpFilePosition(long *, int *);
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void *GetHelpLine(char *);
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void SeekHelpLine(long, int);
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#endif
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