1 files changed, 16 insertions, 0 deletions
diff --git a/contrib/ipfilter/lib/ftov.c b/contrib/ipfilter/lib/ftov.c
new file mode 100644
index 0000000..cb9715d
--- /dev/null
+++ b/contrib/ipfilter/lib/ftov.c
@@ -0,0 +1,16 @@
+#include "ipf.h"
+
+int
+ftov(version)
+	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;
+}