ifname_to_hostconf
hcfile = ifname_to_hostconf(dsmp->dsm_name, dsmp->dsm_isv6);
fd = open(ifname_to_hostconf(ifname, isv6), O_RDONLY);
fd = open(ifname_to_hostconf(ifname, isv6), O_WRONLY|O_CREAT|O_TRUNC,
return (unlink(ifname_to_hostconf(ifname, isv6)));
extern char *ifname_to_hostconf(const char *, boolean_t);