diff --git a/brilift/src/lib.rs b/brilift/src/lib.rs
index 9fded70fd..3c8af3751 100644
--- a/brilift/src/lib.rs
+++ b/brilift/src/lib.rs
@@ -71,3 +71,8 @@ pub fn jit_run(program: &Program, args: Vec<String>, dump_ir: bool) {
     // Invoke the main function.
     unsafe { trans.run(entry_id, &main_args) };
 }
+
+/// The C runtime library for Rust library users.
+pub fn c_runtime() -> &'static str {
+    include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/rt.c"))
+}