refactoring: AddFile: return bool value
static int GetPhysDrive
refactoring: GetPhysDrive: return bool value
static int GetDriveId
refactoring: GetDriveId: return bool value
refactoring: InitBuf: return bool value
refactoring: CheckEscape: return bool value
refactoring: DirEnd: return bool value
refactoring: CheckEscape, AskAbort: return bool value; use bool parameter
refactoring: GetPrimaryVolumeMountPoint, CheckFreeDiskSpace: return bool value
refactoring: GetSymLink: return bool value
refactoring: FileExists: return bool value
refactoring: MoveFile: return bool value
refactoring: Delete: return bool value
refactoring: RmDir: return bool value
refactoring: ExistsN: return bool value
refactoring: WaitForFlushEnd: return bool value
version info: update