SADB_X_EXT_TAG
sa_tag.sadb_x_tag_exttype = SADB_X_EXT_TAG;
{ SADB_X_EXT_TAG, "tag", print_tag },
stag->sadb_x_tag_exttype = SADB_X_EXT_TAG;
import_tag(newsa, headers[SADB_X_EXT_TAG]);
import_tag(sa2, headers[SADB_X_EXT_TAG]);
import_tag(newsa, headers[SADB_X_EXT_TAG]);
headers[SADB_X_EXT_TAG] = p;
#define BITMAP_X_TAG (1LL << SADB_X_EXT_TAG)
case SADB_X_EXT_TAG: