imgsnk             30 ext/gd/libgd/gdtest.c   gdSink imgsnk;
imgsnk            185 ext/gd/libgd/gdtest.c   imgsnk.sink = fwriteWrapper;
imgsnk            186 ext/gd/libgd/gdtest.c   imgsnk.context = out;
imgsnk            187 ext/gd/libgd/gdtest.c   gdImagePngToSink (im, &imgsnk);