} s_peer_t, *peer_t;
/* Peer: helper functions */
msg_error_t peer_wait_for_message(peer_t peer);
int peer_execute_task(peer_t peer, msg_task_t task);
void peer_init_chain(peer_t peer, message_t msg);
} s_peer_t, *peer_t;
/* Peer: helper functions */
msg_error_t peer_wait_for_message(peer_t peer);
int peer_execute_task(peer_t peer, msg_task_t task);
void peer_init_chain(peer_t peer, message_t msg);