void send_key_changed(meshlink_handle_t *mesh) {
send_request(mesh, mesh->everyone, NULL, "%d %x %s", KEY_CHANGED, rand(), mesh->self->name);
void send_key_changed(meshlink_handle_t *mesh) {
send_request(mesh, mesh->everyone, NULL, "%d %x %s", KEY_CHANGED, rand(), mesh->self->name);