Why are the metadata blocks the way they are? I see you used pack directives but there already are plenty of padding and reserved bits. A 19 byte header just se

Why are the metadata blocks the way they are? I see you used pack directives but there already are plenty of padding and reserved bits. A 19 byte header just seems wrong. https://github.com/ef1500/libbbf/blob/b3ff5cb83d5ef1d841eca1e93f32a6b1baea0b87/src/libbbf.h#L27-L107 https://github.com/ef1500/libbbf/blob/b3ff5cb83d5ef1d841eca1...