diff --git a/3/c/ctb b/3/c/ctb
new file mode 100644
index 00000000000..ad9c814e37c
--- /dev/null
+++ b/3/c/ctb
@@ -0,0 +1 @@
+{"name":"ctb","vers":"1.0.0","deps":[],"cksum":"e3641c35a26217b1cef6b61baed3dccf183fcdc33ef5cddb1df51e7d3b7dc435","features":{},"yanked":false}