_SC_IPV6
{ "IPV6", { 0UL, 0 }, { 0UL, 0 }, CONF_FEATURE|CONF_UNDERSCORE|CONF_PREFIX_ONLY, CONF_POSIX, 1, CONF_sysconf, _SC_IPV6 },
{ "IPV6", { 0ULL, 0 }, { 0ULL, 0 }, CONF_FEATURE|CONF_UNDERSCORE|CONF_PREFIX_ONLY, CONF_POSIX, 1, CONF_sysconf, _SC_IPV6 },
{ "IPV6", { 0ULL, 0 }, { 0ULL, 0 }, CONF_FEATURE|CONF_UNDERSCORE|CONF_PREFIX_ONLY, CONF_POSIX, 1, CONF_sysconf, _SC_IPV6 },
{ "IPV6", { 0UL, 0 }, { 0UL, 0 }, CONF_FEATURE|CONF_UNDERSCORE|CONF_PREFIX_ONLY, CONF_POSIX, 1, CONF_sysconf, _SC_IPV6 },
_SC_IPV6, "_POSIX_IPV6", SYSCONF, NOFLAGS,
case _SC_IPV6: