1 files changed, 9 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch19-advanced-features/listing-19-08/src/main.rs b/src/doc/book/listings/ch19-advanced-features/listing-19-08/src/main.rs
new file mode 100644
index 000000000..8b56630c9
--- /dev/null
+++ b/src/doc/book/listings/ch19-advanced-features/listing-19-08/src/main.rs
@@ -0,0 +1,9 @@
+extern "C" {
+    fn abs(input: i32) -> i32;
+}
+
+fn main() {
+    unsafe {
+        println!("Absolute value of -3 according to C: {}", abs(-3));
+    }
+}