# include <config.h>
#endif
+#include <stdio.h>
+
#if STDC_HEADERS
# include <stdlib.h>
#endif
# endif
#endif
+/* Some pre-ANSI implementations (e.g. SunOS 4)
+ need stderr defined if assertion checking is enabled. */
+#ifndef NDEBUG
+# include <stdio.h>
+#endif
+
#include <assert.h>
#include <errno.h>