public static extern void WebPFreeDecBuffer(WebPDecBuffer *buffer);
 public static extern int WebPInitDecBufferInternal(WebPDecBuffer *param0, int param1);
 public static int WebPInitDecBuffer(WebPDecBuffer *buffer)
 {
     return(WebPInitDecBufferInternal(buffer, 0x0209));
 }
 public static extern WebPIDecoder *WebPINewDecoder(WebPDecBuffer *output_buffer);