SEGHDR
compressed_seg = (uchar_t *)malloc(compressed_segsize + SEGHDR);
compressed_seg + SEGHDR, &real_segsize, li->l_level);
(void) memcpy(compressed_seg + SEGHDR, uncompressed_seg,
wbytes = write(tfd, compressed_seg, len_compressed + SEGHDR);
if (wbytes != (len_compressed + SEGHDR)) {
rbytes = read(tfd, compressed_seg, compressed_segsize + SEGHDR);
useg = cmpbuf + SEGHDR;
if (li->l_decompress((cmpbuf + SEGHDR),
(cmpbytes - SEGHDR), uncompressed_seg,