#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
+/* If using the DB3 emulation, ENTER is defined both
+ * by DB3 and Perl. We drop the Perl definition now.
+ * See also INSTALL section on DB3.
+ * -- Stanislav Brabec <utx@penguin.cz> */
+#undef ENTER
#include <ndbm.h>
typedef struct {