typedef struct _xcdReplacingFileParams
{
  const WORD wStructSize; 
  const HXCEEDZIP hZip; 
  const TCHAR szFilename[ MAX_PATH ]; 
  const TCHAR szComment[ 1024 ]; 
  const LONG lSize; 
  const LONG lSizeHigh;
  const xcdFileAttributes xAttributes; 
  const SYSTEMTIME stLastModified; 
  const SYSTEMTIME stLastAccessed; 
  const SYSTEMTIME stCreated; 
  const TCHAR szOrigFilename[ MAX_PATH ]; 
  const LONG lOrigSize; 
  const LONG lOrigSizeHigh;
  const xcdFileAttributes xOrigAttributes; 
  const SYSTEMTIME stOrigLastModified; 
  const SYSTEMTIME stOrigLastAccessed; 
const SYSTEMTIME stOrigCreated; 
  BOOL bReplaceFile; 
} xcdReplacingFileParamsA; 

This structure is available in both ANSI and UNICODE versions.