IPOPT_LSRR
case IPOPT_LSRR:
printf(*cp == IPOPT_LSRR ?
((u_char *)(ip + 1))[1] != IPOPT_LSRR ) {
case IPOPT_LSRR:
case IPOPT_LSRR:
case IPOPT_LSRR:
*lsrp++ = IPOPT_LSRR;
*p++ = IPOPT_LSRR;