* @...: name of every member of the structure.
*
* This generates a single memcmp() call in the common case where the
* structure contains no padding. Since it can't tell the difference between
* padding and a missing member, @padbytes can be used to assert that
* @...: name of every member of the structure.
*
* This generates a single memcmp() call in the common case where the
* structure contains no padding. Since it can't tell the difference between
* padding and a missing member, @padbytes can be used to assert that