ATTR_EXT_COMMUNITIES
if (community_writebuf(&comm, ATTR_EXT_COMMUNITIES, 1, buf) == -1) {
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES:
community_writebuf(c, ATTR_EXT_COMMUNITIES, 0, buf) == -1 ||
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES:
case ATTR_EXT_COMMUNITIES: