r = command (NULL, &err, "/sbin/mkswap", "-f", flag, value, device, NULL);
if (r == -1) {
r = command (NULL, &err, "/sbin/mkswap", "-f", flag, value, device, NULL);
if (r == -1) {
r = command (NULL, &err, cmd, flag, value, NULL);
if (r == -1) {
r = command (NULL, &err, cmd, flag, value, NULL);
if (r == -1) {