: This looks great! However, it’s not obvious (from looking at those snippets) : what the value loaded into the padding region will be. : : The unfortunate answer is: it depends : : The C11 standard, chapter §6.2.6.1/6 says this: : : : When a value is stored in an object of structure or union type, including in a : : member object, the bytes of the object representation that correspond to any : : padding bytes take unspecified values.