phs 99 netinet6/in6_cksum.c u_int16_t phs[4]; phs 144 netinet6/in6_cksum.c sum += uph.phs[0]; sum += uph.phs[1]; phs 145 netinet6/in6_cksum.c sum += uph.phs[2]; sum += uph.phs[3];