png_structpp 1574 3rdparty/libpng/png.h PNG_EXPORT(64, void, png_destroy_read_struct, (png_structpp png_ptr_ptr, png_structpp 1578 3rdparty/libpng/png.h PNG_EXPORT(65, void, png_destroy_write_struct, (png_structpp png_ptr_ptr, png_structpp 943 3rdparty/libpng/pngread.c png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_structpp 889 3rdparty/libpng/pngwrite.c png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)