cbit
} cbit;
if (clen < sizeof(cbit) || clen % sizeof(v))
memcpy(&cbit, cp, sizeof(cbit));
if (sizeof(cbit) + ntohs(cbit.words) * sizeof(v) >
cp += sizeof(cbit);
clen = ntohs(cbit.words) * sizeof(v);
if (cur + clen * 8 + (u_long)ntohs(cbit.skip) * 32 >
cur += ntohs(cbit.skip) * 32;