Added `test2.h`.

1 files changed, 1 insertions, 0 deletions

diff --git a/test2.h b/test2.h
new file mode 100644
index 0000000..e9e8398
--- /dev/null
+++ b/test2.h
@@ -0,0 +1 @@
+extern int add(int a, int b);