Change div() into divide(); div() is a Standard C function.
diff --git a/Python/ceval.c b/Python/ceval.c
index 5c9548d..bda9d5b 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -154,7 +154,7 @@
 }
 
 static object *
-div(v, w)
+divide(v, w)
 	object *v, *w;
 {
 	if (v->ob_type->tp_as_number != NULL)
@@ -797,7 +797,7 @@
 		case BINARY_DIVIDE:
 			w = POP();
 			v = POP();
-			x = div(v, w);
+			x = divide(v, w);
 			DECREF(v);
 			DECREF(w);
 			PUSH(x);