Function VerifyFile Lib "macdll" ( _
      ByVal pInputFilename As Long, _
      ByRef pPercentageDone As Long, _
      ByVal pfnProgressCallback As Long, _
      ByRef pKillFlag As Long) As Long

'; interface wrappers
Private Declare Function c_APEDecompress_Create Lib "macdll" (ByRef pErrorCode
 As Long) As Long
Private Declare Sub c_APEDecompress_Destroy Lib "macdll" (ByVal hAPEDecompress
 As Long)
Private Declare Function c_APEDecompress_GetData Lib "macdll" (ByVal
 hAPEDecompress As Long, ByVal pData A