-/* declaration of instrumentation functions from msg_process_instr.c */
-XBT_PRIVATE char* instr_process_id(msg_process_t proc, char* str, int len);
-XBT_PRIVATE char* instr_process_id_2(const char* process_name, int process_pid, char* str, int len);
-XBT_PRIVATE void TRACE_msg_process_change_host(msg_process_t process, msg_host_t new_host);
-XBT_PRIVATE void TRACE_msg_process_create(const char* process_name, int process_pid, msg_host_t host);
-XBT_PRIVATE void TRACE_msg_process_destroy(const char* process_name, int process_pid);
-XBT_PRIVATE void TRACE_msg_process_kill(smx_process_exit_status_t status, msg_process_t process);
-XBT_PRIVATE void TRACE_msg_process_suspend(msg_process_t process);
-XBT_PRIVATE void TRACE_msg_process_resume(msg_process_t process);
-XBT_PRIVATE void TRACE_msg_process_sleep_in(msg_process_t process); // called from msg/gos.c
-XBT_PRIVATE void TRACE_msg_process_sleep_out(msg_process_t process);
-}