系统编程

开发平台：

Visual C++

path.h：源码内容

							/*
 * path.h - Path ADT module description.
 */
/* Types
 ********/
/* handles */
DECLARE_HANDLE(HPATHLIST);
DECLARE_STANDARD_TYPES(HPATHLIST);
DECLARE_HANDLE(HPATH);
DECLARE_STANDARD_TYPES(HPATH);
/* path results returned by AddPath() */
typedef enum _pathresult
{
   PR_SUCCESS,
   PR_UNAVAILABLE_VOLUME,
   PR_OUT_OF_MEMORY,
   PR_INVALID_PATH
}
PATHRESULT;
DECLARE_STANDARD_TYPES(PATHRESULT);
/* Prototypes
 *************/
/* path.c */
extern BOOL CreatePathList(DWORD, HWND, PHPATHLIST);
extern void DestroyPathList(HPATHLIST);
extern void InvalidatePathListInfo(HPATHLIST);
extern void ClearPathListInfo(HPATHLIST);
extern PATHRESULT AddPath(HPATHLIST, LPCTSTR, PHPATH);
extern BOOL AddChildPath(HPATHLIST, HPATH, LPCTSTR, PHPATH);
extern void DeletePath(HPATH);
extern BOOL CopyPath(HPATH, HPATHLIST, PHPATH);
extern void GetPathString(HPATH, LPTSTR);
extern void GetPathRootString(HPATH, LPTSTR);
extern void GetPathSuffixString(HPATH, LPTSTR);
extern BOOL AllocatePathString(HPATH, LPTSTR *);
#ifdef DEBUG
extern LPCTSTR DebugGetPathString(HPATH);
extern ULONG GetPathCount(HPATHLIST);
#endif
extern BOOL IsPathVolumeAvailable(HPATH);
extern HVOLUMEID GetPathVolumeID(HPATH);
extern BOOL MyIsPathOnVolume(LPCTSTR, HPATH);
extern COMPARISONRESULT ComparePaths(HPATH, HPATH);
extern COMPARISONRESULT ComparePathVolumes(HPATH, HPATH);
extern BOOL IsPathPrefix(HPATH, HPATH);
extern BOOL SubtreesIntersect(HPATH, HPATH);
extern LPTSTR FindEndOfRootSpec(LPCTSTR, HPATH);
extern COMPARISONRESULT ComparePointers(PCVOID, PCVOID);
extern LPTSTR FindChildPathSuffix(HPATH, HPATH, LPTSTR);
extern TWINRESULT TWINRESULTFromLastError(TWINRESULT);
extern BOOL IsValidHPATH(HPATH);
extern BOOL IsValidHVOLUMEID(HVOLUMEID);
#if defined(DEBUG) || defined(VSTF)
extern BOOL IsValidHPATHLIST(HPATHLIST);
#endif

						