-void TRACE_help(int detailed);
+/* Copyright (c) 2012-2017. The SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#ifndef SIMGRID_INSTR_INTERFACE_H
+#define SIMGRID_INSTR_INTERFACE_H
+
+#include "xbt.h"
+
+SG_BEGIN_DECL()
+
+XBT_PUBLIC(int) TRACE_start ();
+XBT_PUBLIC(int) TRACE_end ();
+XBT_PUBLIC(void) TRACE_global_init(int *argc, char **argv);
+XBT_PUBLIC(void) TRACE_help(int detailed);
+XBT_PUBLIC(void) TRACE_surf_resource_utilization_alloc();
+XBT_PUBLIC(void) TRACE_surf_resource_utilization_release();
+XBT_PUBLIC(void) TRACE_add_start_function(void (*func)(void));
+XBT_PUBLIC(void) TRACE_add_end_function(void (*func)(void));
+
+SG_END_DECL()
+
+#endif
\ No newline at end of file
