--- freem/src/views.c	2025/02/26 13:26:50	1.2
+++ freem/src/views.c	2025/02/28 20:51:20	1.4
@@ -72,7 +72,7 @@
 #endif /* __CYGWIN__ */
 #include <errno.h> /* snw */
 
-#if defined(__NetBSD__)
+#if defined(__NetBSD__) || defined(__OpenBSD__)
 #include <sys/ioctl.h>
 #endif
 
@@ -104,7 +104,7 @@ void destroy(GtkWidget* widget, gpointer
 #endif
 
 
-void view_com ()
+void view_com (void)
 {
     /* process VIEW command */