DF_COMPRESSED
const char *c = swap(dh.dump_flags) & DF_COMPRESSED ?
(h.dump_flags & DF_COMPRESSED) != 0);
corehdr.dump_flags &= ~DF_COMPRESSED;
corehdr.dump_flags |= DF_COMPRESSED | DF_VALID;
dumphdr->dump_flags = DF_VALID | DF_COMPLETE | DF_LIVE | DF_COMPRESSED;