ip6_un1_hlim       78 netinet/ip6.h  			u_int8_t  ip6_un1_hlim;	/* hop limit */
ip6_un1_hlim       90 netinet/ip6.h  #define ip6_hlim	ip6_ctlun.ip6_un1.ip6_un1_hlim
ip6_un1_hlim       91 netinet/ip6.h  #define ip6_hops	ip6_ctlun.ip6_un1.ip6_un1_hlim