--- /dev/null
+/*
+ * internal include file for com_err package
+ */
+#include "mit-sipb-copyright.h"
+#ifndef __STDC__
+#undef const
+#define const
+#endif
+
+extern int errno;
+extern char const * const sys_errlist[];
+extern const int sys_nerr;
+
+#ifdef __STDC__
+void perror (const char *);
+#else
+void perror ();
+#endif