png_write_bKGD   3303 third_party/libpng/png.h PNG_EXTERN void png_write_bKGD PNGARG((png_structp png_ptr,
png_write_bKGD    173 third_party/libpng/pngwrite.c       png_write_bKGD(png_ptr, &(info_ptr->background), info_ptr->color_type);