diff --git a/src/cw/cw_filename.c b/src/cw/cw_filename.c
new file mode 100644
index 00000000..9b113442
--- /dev/null
+++ b/src/cw/cw_filename.c
@@ -0,0 +1,4 @@
+
+
+
+char * cw_filename(const char * path