<dec f='src/src/sys/netinet6/ip6_var.h' l='333' type='int ip6_nexthdr(struct mbuf * , int , int , int * )'/>
<def f='src/src/sys/netinet6/ip6_input.c' l='1431' ll='1505' type='int ip6_nexthdr(struct mbuf * m, int off, int proto, int * nxtp)'/>
<use f='src/src/sys/netinet6/ip6_input.c' l='1521' u='c' c='ip6_lasthdr'/>
<doc f='src/src/sys/netinet6/ip6_input.c' l='1428'>/*
 * get next header offset.  m will be retained.
 */</doc>
