new file mode 100644
--- /dev/null
+++ b/src/cutils.c
@@ -0,0 +1,75 @@
+/*
+
+Copyright (C) 1999 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#include <unistd.h>
+#endif
+
+#include "systime.h"
+
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#elif HAVE_SYS_POLL_H
+#include <sys/poll.h>
+#endif
+
+void
+octave_usleep (unsigned int useconds)
+{
+#if defined (HAVE_USLEEP)
+
+  usleep (useconds);
+
+#elif defined (HAVE_SELECT)
+
+  struct timeval delay;
+
+  delay.tv_sec = 0;
+  delay.tv_usec = useconds;
+
+  select (0, 0, 0, 0, &delay);
+
+#elif defined (HAVE_POLL)
+
+  struct pollfd pfd;
+  int delay = useconds / 1000;
+
+  if (delay <= 0)
+    delay = 1;
+
+  poll (&fd, 0, delay);
+
+#endif
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/