png_doublep       567 third_party/libpng/png.h #define png_doublep_NULL          (png_doublep)NULL
png_doublep      1987 third_party/libpng/png.h    int heuristic_method, int num_weights, png_doublep filter_weights,
png_doublep      1988 third_party/libpng/png.h    png_doublep filter_costs));
png_doublep      1301 third_party/libpng/pngwrite.c    int num_weights, png_doublep filter_weights,
png_doublep      1302 third_party/libpng/pngwrite.c    png_doublep filter_costs)