png_get_bKGD 7823 src/image.c DEF_DLL_FN (png_uint_32, png_get_bKGD, png_get_bKGD 7863 src/image.c LOAD_DLL_FN (library, png_get_bKGD); png_get_bKGD 8333 src/image.c if (png_get_bKGD (png_ptr, info_ptr, &bg))