cipso_off 1995 net/ipv4/cipso_ipv4.c u8 cipso_off; cipso_off 2000 net/ipv4/cipso_ipv4.c cipso_off = opt->opt.cipso - sizeof(struct iphdr); cipso_off 2001 net/ipv4/cipso_ipv4.c cipso_ptr = &opt->opt.__data[cipso_off]; cipso_off 2015 net/ipv4/cipso_ipv4.c opt->opt.optlen - cipso_off - cipso_len);