XBT_PUBLIC(MSG_error_t) MSG_task_cancel(m_task_t task);
XBT_PUBLIC(MSG_error_t) MSG_task_destroy(m_task_t task);
-MSG_error_t MSG_task_receive_from_host(m_task_t * task, const char *alias,
+XBT_PUBLIC(MSG_error_t) MSG_task_receive_from_host(m_task_t * task, const char *alias,
m_host_t host);
XBT_PUBLIC(MSG_error_t) MSG_task_execute(m_task_t task);