Variables starting with `e' in bsd/netinet

• ENOPROTOOPT bsd/netinet/ip_input.c:1405
• ether_addr_octet bsd/netinet/ip_compat.h:71
• ether_ipmulticast_max bsd/netinet/if_ether.h:166
• ether_ipmulticast_min bsd/netinet/if_ether.h:165