if (extended_header.buffer || extended_header.stk == NULL)
return old_header;
xheader_finish (&extended_header);
memcpy (hp.buffer, old_header, sizeof (hp));
if (extended_header.buffer || extended_header.stk == NULL)
return old_header;
xheader_finish (&extended_header);
memcpy (hp.buffer, old_header, sizeof (hp));