1 files changed, 7 insertions, 0 deletions
diff --git a/doc/interoperability/c-from-rust/foo/foo.c b/doc/interoperability/c-from-rust/foo/foo.c
new file mode 100644
index 0000000..e419fa4
--- /dev/null
+++ b/doc/interoperability/c-from-rust/foo/foo.c
@@ -0,0 +1,7 @@
+#include <math.h>
+
+#include "foo/foo.h"
+
+int c_func(int x){
+  return sqrt(x*x);
+}