static int enable_linger(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;
static int enable_linger(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus *bus = userdata;