1 files changed, 15 insertions, 0 deletions
diff --git a/sbin/ipf/libipf/ftov.c b/sbin/ipf/libipf/ftov.c
new file mode 100644
index 000000000000..5e4aaca80c80
--- /dev/null
+++ b/sbin/ipf/libipf/ftov.c
@@ -0,0 +1,15 @@
+#include "ipf.h"
+
+int
+ftov(int version)
+{
+#ifdef USE_INET6
+	if (version == AF_INET6)
+		return (6);
+#endif
+	if (version == AF_INET)
+		return (4);
+	if (version == AF_UNSPEC)
+		return (0);
+	return (-1);
+}