Minimal liblibc for Redox
diff --git a/src/lib.rs b/src/lib.rs
index dcc4791..2a16fad 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -265,6 +265,9 @@
     if #[cfg(windows)] {
         mod windows;
         pub use windows::*;
+    } else if #[cfg(redox)] {
+        mod redox;
+        pub use redox::*;
     } else if #[cfg(unix)] {
         mod unix;
         pub use unix::*;