png_alignof       423 3rdparty/libpng/pngpriv.h #  define png_alignof(type) (sizeof (type))
png_alignof       426 3rdparty/libpng/pngpriv.h #     define png_alignof(type) offsetof(struct{char c; type t;}, t)
png_alignof       429 3rdparty/libpng/pngpriv.h #        define png_alignof(type) (1)