Added C_insertpart mechanism

modules/src/em_code/internerr.c

@@ -0,0 +1,12 @@
+/* $Header$ */
+/*
+ * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
+ * See the copyright notice in the ACK home directory, in the file "Copyright".
+ */
+#include <system.h>
+
+C_internal_error()
+{
+	sys_write(STDERR,"internal error\n",15);
+	sys_stop(S_EXIT);
+}