outSink            20 ext/gd/libgd/gd_ss.c void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink)
outSink            22 ext/gd/libgd/gd_ss.c 	gdIOCtx *out = gdNewSSCtx(NULL, outSink);
outSink            39 ext/gd/libgd/gd_ss.c void gdImagePngToSink (gdImagePtr im, gdSinkPtr outSink)