+VALUE rb_host_process(VALUE Class,VALUE process);
+
+/* Functions related to tasks */
+void rb_task_free(m_task_t tk);
+// New Method >>> Data NULL
+VALUE rb_task_new(VALUE Class, VALUE name,VALUE comp_size,VALUE comm_size);
+void rb_task_set_data(VALUE Class,VALUE task,VALUE data); // Data as a String
+VALUE rb_task_get_data(VALUE Class,VALUE task);
+VALUE rb_task_comp(VALUE Class,VALUE task); // Get Computation Size
+VALUE rb_task_name(VALUE Class,VALUE task);
+VALUE rb_task_execute(VALUE Class,VALUE task);
+void rb_task_send(VALUE Class,VALUE task,VALUE mailbox);
+VALUE rb_task_receive(VALUE Class,VALUE mailbox);// Receive : return a task
+void rb_task_receive2(VALUE Class,VALUE task,VALUE mailbox);// Receive Task 2 << Not Appreciated
+VALUE rb_task_sender(VALUE Class,VALUE task);
+VALUE rb_task_source(VALUE Class,VALUE task);
+VALUE rb_task_listen(VALUE Class,VALUE task,VALUE alias); //Listen From Alias (=mailbox)
+VALUE rb_task_listen_host(VALUE Class,VALUE task,VALUE alias,VALUE host); //Listen from Host
+void rb_task_set_priority(VALUE Class,VALUE task,VALUE priority); // Set Priority
+void rb_task_cancel(VALUE Class,VALUE task); // Cancel
+
+/* Upcalls for the application handler */
+void rb_application_handler_on_start_document(void);
+void rb_application_handler_on_end_document(void);
+void rb_application_handler_on_begin_process(void);
+void rb_application_handler_on_process_arg(void);
+void rb_application_handler_on_property(void);
+void rb_application_handler_on_end_process(void);