Source code of Windows XP (NT5)
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// ptree.h
#ifndef __INC_PTREE_H
#define __INC_PTREE_H
#include "common.h"
#include "intset.h"
#ifdef __cplusplus
extern "C" {#endif
typedef struct tagPARSETREE { int value; BOOL nullable; IntSet FirstPos; IntSet LastPos; unsigned int position; // used only for leaves
struct tagPARSETREE *left; struct tagPARSETREE *right;} PARSETREE;
void DestroyPARSETREE(PARSETREE *tree);PARSETREE *MakePARSETREE(int value);PARSETREE *MergePARSETREE(PARSETREE *tree1, PARSETREE *tree2);int SizePARSETREE(PARSETREE *tree);PARSETREE *CopyPARSETREE(PARSETREE *tree);BOOL MakePureRegularExpression(PARSETREE *tree);int ComputeNodeAttributes(PARSETREE *tree, IntSet **paFollowpos, WCHAR **paPos2Wchar);
#ifdef __cplusplus
}#endif
#endif
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