def _SkipGroup(buffer, pos, end):
 while 1:
  (tag_bytes, pos) = ReadTag(buffer, pos)
  new_pos = SkipField(buffer, pos, end, tag_bytes)
  if (new_pos == (-1)):
   return pos
  pos = new_pos

def _SkipGroup ( buffer , pos , end ) : while 1 : ( tag_bytes , pos ) = ReadTag ( buffer , pos ) new_pos = SkipField ( buffer , pos , end , tag_bytes ) if ( new_pos == ( - 1 ) ) : return pos pos = new_pos
skip sub-group .