diff --git a/src/libcore/comm.rs b/src/libcore/comm.rs
index ef0f4bb8d86..81548f445d9 100644
--- a/src/libcore/comm.rs
+++ b/src/libcore/comm.rs
@@ -29,10 +29,10 @@ export recv;
 export chan::{};
 export port::{};
 
+enum rust_port {}
+
 #[abi = "cdecl"]
 native mod rustrt {
-    type rust_port;
-
     fn chan_id_send<T: send>(t: *sys::type_desc,
                             target_task: task::task, target_port: port_id,
                             data: T) -> ctypes::uintptr_t;
@@ -72,7 +72,7 @@ enum chan<T: send> {
     chan_t(task::task, port_id)
 }
 
-resource port_ptr<T: send>(po: *rustrt::rust_port) {
+resource port_ptr<T: send>(po: *rust_port) {
     // Once the port is detached it's guaranteed not to receive further
     // messages
     rustrt::rust_port_detach(po);
@@ -127,13 +127,13 @@ fn recv<T: send>(p: port<T>) -> T { recv_(***p) }
 #[doc(
   brief = "Receive on a raw port pointer"
 )]
-fn recv_<T: send>(p: *rustrt::rust_port) -> T {
+fn recv_<T: send>(p: *rust_port) -> T {
     // FIXME: Due to issue 1185 we can't use a return pointer when
     // calling C code, and since we can't create our own return
     // pointer on the stack, we're going to call a little intrinsic
     // that will grab the value of the return pointer, then call this
     // function, which we will then use to call the runtime.
-    fn recv(dptr: *uint, port: *rustrt::rust_port,
+    fn recv(dptr: *uint, port: *rust_port,
             yield: *ctypes::uintptr_t,
             killed: *ctypes::uintptr_t) unsafe {
         rustrt::port_recv(dptr, port, yield, killed);
diff --git a/src/libcore/ctypes.rs b/src/libcore/ctypes.rs
index 249318674d3..22428e41ca3 100644
--- a/src/libcore/ctypes.rs
+++ b/src/libcore/ctypes.rs
@@ -75,13 +75,7 @@ type uint32_t = u32;
          but using pointers to this type when interoperating \
          with C void pointers can help in documentation."
 )]
-enum void {
-    // Making the only variant reference itself makes it impossible to
-    // construct. Not exporting it makes it impossible to destructure.
-    void_private(@void),
-    // FIXME: #881
-    void_private2(@void),
-}
+enum void {}
 
 #[doc(
   brief = "A float value with the same size as a C `float`."
diff --git a/src/libstd/freebsd_os.rs b/src/libstd/freebsd_os.rs
index 77db136dc25..315813c0848 100644
--- a/src/libstd/freebsd_os.rs
+++ b/src/libstd/freebsd_os.rs
@@ -10,7 +10,7 @@ import core::ctypes::*;
 export libc;
 export libc_constants;
 export pipe;
-export fd_FILE;
+export FILE, fd_FILE;
 export close;
 export fclose;
 export waitpid;
@@ -24,16 +24,20 @@ export fsync_fd;
 // FIXME Somehow merge stuff duplicated here and macosx_os.rs. Made difficult
 // by https://github.com/graydon/rust/issues#issue/268
 
+enum FILE_opaque {}
+type FILE = *FILE_opaque;
+enum dir {}
+enum dirent {}
+
 #[nolink]
 #[abi = "cdecl"]
 native mod libc {
     fn read(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
     fn write(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
-    fn fread(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
-    fn fwrite(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
+    fn fread(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
+    fn fwrite(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
     fn open(s: str::sbuf, flags: c_int, mode: unsigned) -> fd_t;
     fn close(fd: fd_t) -> c_int;
-    type FILE;
     fn fopen(path: str::sbuf, mode: str::sbuf) -> FILE;
     fn fdopen(fd: fd_t, mode: str::sbuf) -> FILE;
     fn fclose(f: FILE);
@@ -45,11 +49,9 @@ native mod libc {
     fn feof(f: FILE) -> c_int;
     fn fseek(f: FILE, offset: long, whence: c_int) -> c_int;
     fn ftell(f: FILE) -> long;
-    type dir;
-    fn opendir(d: str::sbuf) -> dir;
-    fn closedir(d: dir) -> c_int;
-    type dirent;
-    fn readdir(d: dir) -> dirent;
+    fn opendir(d: str::sbuf) -> *dir;
+    fn closedir(d: *dir) -> c_int;
+    fn readdir(d: *dir) -> *dirent;
     fn getenv(n: str::sbuf) -> str::sbuf;
     fn setenv(n: str::sbuf, v: str::sbuf, overwrite: c_int) -> c_int;
     fn unsetenv(n: str::sbuf) -> c_int;
@@ -90,7 +92,7 @@ fn pipe() -> {in: fd_t, out: fd_t} {
     ret {in: fds.in, out: fds.out};
 }
 
-fn fd_FILE(fd: fd_t) -> libc::FILE {
+fn fd_FILE(fd: fd_t) -> FILE {
     ret str::as_buf("r", {|modebuf| libc::fdopen(fd, modebuf) });
 }
 
@@ -98,7 +100,7 @@ fn close(fd: fd_t) -> c_int {
     libc::close(fd)
 }
 
-fn fclose(file: libc::FILE) {
+fn fclose(file: FILE) {
     libc::fclose(file)
 }
 
diff --git a/src/libstd/io.rs b/src/libstd/io.rs
index ba8f1e62fc6..8f77a804892 100644
--- a/src/libstd/io.rs
+++ b/src/libstd/io.rs
@@ -9,9 +9,9 @@ import core::ctypes::c_int;
 
 #[abi = "cdecl"]
 native mod rustrt {
-    fn rust_get_stdin() -> os::libc::FILE;
-    fn rust_get_stdout() -> os::libc::FILE;
-    fn rust_get_stderr() -> os::libc::FILE;
+    fn rust_get_stdin() -> os::FILE;
+    fn rust_get_stdout() -> os::FILE;
+    fn rust_get_stderr() -> os::FILE;
 }
 
 // Reading
@@ -166,7 +166,7 @@ fn convert_whence(whence: seek_style) -> i32 {
     };
 }
 
-impl of reader for os::libc::FILE {
+impl of reader for os::FILE {
     fn read_bytes(len: uint) -> [u8] unsafe {
         let buf = [];
         vec::reserve(buf, len);
@@ -195,9 +195,9 @@ impl <T: reader, C> of reader for {base: T, cleanup: C} {
     fn tell() -> uint { self.base.tell() }
 }
 
-resource FILE_res(f: os::libc::FILE) { os::libc::fclose(f); }
+resource FILE_res(f: os::FILE) { os::libc::fclose(f); }
 
-fn FILE_reader(f: os::libc::FILE, cleanup: bool) -> reader {
+fn FILE_reader(f: os::FILE, cleanup: bool) -> reader {
     if cleanup {
         {base: f, cleanup: FILE_res(f)} as reader
     } else {
@@ -282,7 +282,7 @@ impl <T: writer, C> of writer for {base: T, cleanup: C} {
     fn flush() -> int { self.base.flush() }
 }
 
-impl of writer for os::libc::FILE {
+impl of writer for os::FILE {
     fn write(v: [const u8]) unsafe {
         let len = vec::len(v);
         let vbuf = vec::unsafe::to_ptr(v);
@@ -296,7 +296,7 @@ impl of writer for os::libc::FILE {
     fn flush() -> int { os::libc::fflush(self) as int }
 }
 
-fn FILE_writer(f: os::libc::FILE, cleanup: bool) -> writer {
+fn FILE_writer(f: os::FILE, cleanup: bool) -> writer {
     if cleanup {
         {base: f, cleanup: FILE_res(f)} as writer
     } else {
@@ -532,10 +532,10 @@ mod fsync {
     // fsync file after executing blk
     // FIXME find better way to create resources within lifetime of outer res
     fn FILE_res_sync(&&file: FILE_res, opt_level: option<level>,
-                  blk: fn(&&res<os::libc::FILE>)) {
+                  blk: fn(&&res<os::FILE>)) {
         blk(res({
             val: *file, opt_level: opt_level,
-            fsync_fn: fn@(&&file: os::libc::FILE, l: level) -> int {
+            fsync_fn: fn@(&&file: os::FILE, l: level) -> int {
                 ret os::fsync_fd(os::libc::fileno(file), l) as int;
             }
         }));
diff --git a/src/libstd/linux_os.rs b/src/libstd/linux_os.rs
index 378186c7850..05722333df8 100644
--- a/src/libstd/linux_os.rs
+++ b/src/libstd/linux_os.rs
@@ -10,7 +10,7 @@ import core::ctypes::*;
 export libc;
 export libc_constants;
 export pipe;
-export fd_FILE;
+export FILE, fd_FILE;
 export close;
 export fclose;
 export waitpid;
@@ -24,16 +24,20 @@ export fsync_fd;
 // FIXME Somehow merge stuff duplicated here and macosx_os.rs. Made difficult
 // by https://github.com/graydon/rust/issues#issue/268
 
+enum FILE_opaque {}
+type FILE = *FILE_opaque;
+enum dir {}
+enum dirent {}
+
 #[nolink]
 #[abi = "cdecl"]
 native mod libc {
     fn read(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
     fn write(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
-    fn fread(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
-    fn fwrite(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
+    fn fread(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
+    fn fwrite(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
     fn open(s: str::sbuf, flags: c_int, mode: unsigned) -> fd_t;
     fn close(fd: fd_t) -> c_int;
-    type FILE;
     fn fopen(path: str::sbuf, mode: str::sbuf) -> FILE;
     fn fdopen(fd: fd_t, mode: str::sbuf) -> FILE;
     fn fclose(f: FILE);
@@ -46,11 +50,9 @@ native mod libc {
     fn feof(f: FILE) -> c_int;
     fn fseek(f: FILE, offset: long, whence: c_int) -> c_int;
     fn ftell(f: FILE) -> long;
-    type dir;
-    fn opendir(d: str::sbuf) -> dir;
-    fn closedir(d: dir) -> c_int;
-    type dirent;
-    fn readdir(d: dir) -> dirent;
+    fn opendir(d: str::sbuf) -> *dir;
+    fn closedir(d: *dir) -> c_int;
+    fn readdir(d: *dir) -> *dirent;
     fn getenv(n: str::sbuf) -> str::sbuf;
     fn setenv(n: str::sbuf, v: str::sbuf, overwrite: c_int) -> c_int;
     fn unsetenv(n: str::sbuf) -> c_int;
@@ -83,7 +85,7 @@ fn pipe() -> {in: fd_t, out: fd_t} {
     ret {in: fds.in, out: fds.out};
 }
 
-fn fd_FILE(fd: fd_t) -> libc::FILE {
+fn fd_FILE(fd: fd_t) -> FILE {
     ret str::as_buf("r", {|modebuf| libc::fdopen(fd, modebuf) });
 }
 
@@ -91,7 +93,7 @@ fn close(fd: fd_t) -> c_int {
     libc::close(fd)
 }
 
-fn fclose(file: libc::FILE) {
+fn fclose(file: FILE) {
     libc::fclose(file)
 }
 
diff --git a/src/libstd/macos_os.rs b/src/libstd/macos_os.rs
index eb2efddc35b..920061cfd31 100644
--- a/src/libstd/macos_os.rs
+++ b/src/libstd/macos_os.rs
@@ -4,7 +4,7 @@ import core::ctypes::*;
 export libc;
 export libc_constants;
 export pipe;
-export fd_FILE;
+export FILE, fd_FILE;
 export close;
 export fclose;
 export waitpid;
@@ -18,16 +18,20 @@ export fsync_fd;
 // FIXME Refactor into unix_os module or some such. Doesn't
 // seem to work right now.
 
+enum FILE_opaque {}
+type FILE = *FILE_opaque;
+enum dir {}
+enum dirent {}
+
 #[nolink]
 #[abi = "cdecl"]
 native mod libc {
     fn read(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
     fn write(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
-    fn fread(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
-    fn fwrite(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
+    fn fread(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
+    fn fwrite(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
     fn open(s: str::sbuf, flags: c_int, mode: unsigned) -> fd_t;
     fn close(fd: fd_t) -> c_int;
-    type FILE;
     fn fopen(path: str::sbuf, mode: str::sbuf) -> FILE;
     fn fdopen(fd: fd_t, mode: str::sbuf) -> FILE;
     fn fflush(f: FILE) -> c_int;
@@ -39,11 +43,9 @@ native mod libc {
     fn feof(f: FILE) -> c_int;
     fn fseek(f: FILE, offset: long, whence: c_int) -> c_int;
     fn ftell(f: FILE) -> long;
-    type dir;
-    fn opendir(d: str::sbuf) -> dir;
-    fn closedir(d: dir) -> c_int;
-    type dirent;
-    fn readdir(d: dir) -> dirent;
+    fn opendir(d: str::sbuf) -> *dir;
+    fn closedir(d: *dir) -> c_int;
+    fn readdir(d: *dir) -> *dirent;
     fn getenv(n: str::sbuf) -> str::sbuf;
     fn setenv(n: str::sbuf, v: str::sbuf, overwrite: c_int) -> c_int;
     fn unsetenv(n: str::sbuf) -> c_int;
@@ -80,7 +82,7 @@ fn pipe() -> {in: fd_t, out: fd_t} {
     ret {in: fds.in, out: fds.out};
 }
 
-fn fd_FILE(fd: fd_t) -> libc::FILE {
+fn fd_FILE(fd: fd_t) -> FILE {
     ret str::as_buf("r", {|modebuf| libc::fdopen(fd, modebuf) });
 }
 
@@ -88,7 +90,7 @@ fn close(fd: fd_t) -> c_int {
     libc::close(fd)
 }
 
-fn fclose(file: libc::FILE) {
+fn fclose(file: FILE) {
     libc::fclose(file)
 }
 
diff --git a/src/libstd/rand.rs b/src/libstd/rand.rs
index 85f3d99c6c8..c288189216d 100644
--- a/src/libstd/rand.rs
+++ b/src/libstd/rand.rs
@@ -3,12 +3,14 @@ Module: rand
 
 Random number generation
 */
+
+enum rctx {}
+
 #[abi = "cdecl"]
 native mod rustrt {
-    type rctx;
-    fn rand_new() -> rctx;
-    fn rand_next(c: rctx) -> u32;
-    fn rand_free(c: rctx);
+    fn rand_new() -> *rctx;
+    fn rand_next(c: *rctx) -> u32;
+    fn rand_free(c: *rctx);
 }
 
 /* Section: Types */
@@ -48,7 +50,7 @@ iface rng {
     fn gen_bytes(len: uint) -> [u8];
 }
 
-resource rand_res(c: rustrt::rctx) { rustrt::rand_free(c); }
+resource rand_res(c: *rctx) { rustrt::rand_free(c); }
 
 /* Section: Operations */
 
diff --git a/src/libstd/run_program.rs b/src/libstd/run_program.rs
index 5b2de1e57d0..f81eda3aeeb 100644
--- a/src/libstd/run_program.rs
+++ b/src/libstd/run_program.rs
@@ -171,8 +171,8 @@ fn start_program(prog: str, args: [str]) -> program {
 
     type prog_repr = {pid: pid_t,
                       mutable in_fd: fd_t,
-                      out_file: os::libc::FILE,
-                      err_file: os::libc::FILE,
+                      out_file: os::FILE,
+                      err_file: os::FILE,
                       mutable finished: bool};
 
     fn close_repr_input(r: prog_repr) {
diff --git a/src/libstd/win32_os.rs b/src/libstd/win32_os.rs
index 0d874da458a..6e763f91486 100644
--- a/src/libstd/win32_os.rs
+++ b/src/libstd/win32_os.rs
@@ -1,18 +1,20 @@
 import core::option;
 import core::ctypes::*;
 
+enum FILE_opaque {}
+type FILE = *FILE_opaque;
+
 #[abi = "cdecl"]
 #[nolink]
 native mod libc {
     fn read(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
     fn write(fd: fd_t, buf: *u8, count: size_t) -> ssize_t;
-    fn fread(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
-    fn fwrite(buf: *u8, size: size_t, n: size_t, f: libc::FILE) -> size_t;
+    fn fread(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
+    fn fwrite(buf: *u8, size: size_t, n: size_t, f: FILE) -> size_t;
     #[link_name = "_open"]
     fn open(s: str::sbuf, flags: c_int, mode: unsigned) -> c_int;
     #[link_name = "_close"]
     fn close(fd: fd_t) -> c_int;
-    type FILE;
     fn fopen(path: str::sbuf, mode: str::sbuf) -> FILE;
     fn _fdopen(fd: fd_t, mode: str::sbuf) -> FILE;
     fn fclose(f: FILE);
@@ -46,9 +48,10 @@ type HMODULE = uint;
 type LPTSTR = str::sbuf;
 type LPCTSTR = str::sbuf;
 
+type LPSECURITY_ATTRIBUTES = *ctypes::void;
+
 #[abi = "stdcall"]
 native mod kernel32 {
-    type LPSECURITY_ATTRIBUTES;
     fn GetEnvironmentVariableA(n: str::sbuf, v: str::sbuf, nsize: uint) ->
        uint;
     fn SetEnvironmentVariableA(n: str::sbuf, v: str::sbuf) -> int;
@@ -84,7 +87,7 @@ fn pipe() -> {in: fd_t, out: fd_t} {
     ret {in: fds.in, out: fds.out};
 }
 
-fn fd_FILE(fd: fd_t) -> libc::FILE {
+fn fd_FILE(fd: fd_t) -> FILE {
     ret str::as_buf("r", {|modebuf| libc::_fdopen(fd, modebuf) });
 }
 
@@ -92,7 +95,7 @@ fn close(fd: fd_t) -> c_int {
     libc::close(fd)
 }
 
-fn fclose(file: libc::FILE) {
+fn fclose(file: FILE) {
     libc::fclose(file)
 }
 
diff --git a/src/test/compile-fail/native-type-mismatch.rs b/src/test/compile-fail/native-type-mismatch.rs
deleted file mode 100644
index 47e52863dda..00000000000
--- a/src/test/compile-fail/native-type-mismatch.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-// error-pattern:expected `sbuf` but found `FILE`
-use std;
-
-fn main() unsafe {
-    let f: std::os::libc::FILE = std::io::rustrt::rust_get_stdin();
-    std::os::libc::fopen(f, f);
-}
diff --git a/src/test/compile-fail/unsupported-cast.rs b/src/test/compile-fail/unsupported-cast.rs
index 6beb247e931..2bdc2bad126 100644
--- a/src/test/compile-fail/unsupported-cast.rs
+++ b/src/test/compile-fail/unsupported-cast.rs
@@ -4,5 +4,5 @@ use std;
 import std::os;
 
 fn main() {
-  log(debug, 1.0 as os::libc::FILE); // Can't cast float to native.
+  log(debug, 1.0 as os::FILE); // Can't cast float to native.
 }
diff --git a/src/test/run-pass/item-attributes.rs b/src/test/run-pass/item-attributes.rs
index ba00bb4a302..4333fa3d573 100644
--- a/src/test/run-pass/item-attributes.rs
+++ b/src/test/run-pass/item-attributes.rs
@@ -162,9 +162,6 @@ mod test_native_items {
     native mod rustrt {
         #[attr];
 
-        #[attr]
-        type sbuf;
-
         #[attr]
         fn unsupervise();
     }
diff --git a/src/test/run-pass/native-opaque-type.rs b/src/test/run-pass/native-opaque-type.rs
deleted file mode 100644
index e91b4e684b7..00000000000
--- a/src/test/run-pass/native-opaque-type.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-
-
-#[abi = "cdecl"]
-#[nolink]
-native mod libc {
-    type file_handle;
-}
-
-fn main() { assert (true); }
diff --git a/src/test/run-pass/supported-cast.rs b/src/test/run-pass/supported-cast.rs
index de9dffbaca3..84f279bca5d 100644
--- a/src/test/run-pass/supported-cast.rs
+++ b/src/test/run-pass/supported-cast.rs
@@ -2,7 +2,7 @@ use std;
 import std::os;
 
 fn main() {
-  let f = 1 as os::libc::FILE;
+  let f = 1 as os::FILE;
   log(debug, f as int);
   log(debug, f as uint);
   log(debug, f as i8);
@@ -18,7 +18,7 @@ fn main() {
   log(debug, 1 as uint);
   log(debug, 1 as float);
   log(debug, 1 as bool);
-  log(debug, 1 as os::libc::FILE);
+  log(debug, 1 as os::FILE);
   log(debug, 1 as i8);
   log(debug, 1 as i16);
   log(debug, 1 as i32);
@@ -34,7 +34,7 @@ fn main() {
   log(debug, 1u as uint);
   log(debug, 1u as float);
   log(debug, 1u as bool);
-  log(debug, 1u as os::libc::FILE);
+  log(debug, 1u as os::FILE);
   log(debug, 1u as i8);
   log(debug, 1u as i16);
   log(debug, 1u as i32);
@@ -50,7 +50,7 @@ fn main() {
   log(debug, 1i8 as uint);
   log(debug, 1i8 as float);
   log(debug, 1i8 as bool);
-  log(debug, 1i8 as os::libc::FILE);
+  log(debug, 1i8 as os::FILE);
   log(debug, 1i8 as i8);
   log(debug, 1i8 as i16);
   log(debug, 1i8 as i32);
@@ -66,7 +66,7 @@ fn main() {
   log(debug, 1u8 as uint);
   log(debug, 1u8 as float);
   log(debug, 1u8 as bool);
-  log(debug, 1u8 as os::libc::FILE);
+  log(debug, 1u8 as os::FILE);
   log(debug, 1u8 as i8);
   log(debug, 1u8 as i16);
   log(debug, 1u8 as i32);
@@ -82,7 +82,7 @@ fn main() {
   log(debug, 1i16 as uint);
   log(debug, 1i16 as float);
   log(debug, 1i16 as bool);
-  log(debug, 1i16 as os::libc::FILE);
+  log(debug, 1i16 as os::FILE);
   log(debug, 1i16 as i8);
   log(debug, 1i16 as i16);
   log(debug, 1i16 as i32);
@@ -98,7 +98,7 @@ fn main() {
   log(debug, 1u16 as uint);
   log(debug, 1u16 as float);
   log(debug, 1u16 as bool);
-  log(debug, 1u16 as os::libc::FILE);
+  log(debug, 1u16 as os::FILE);
   log(debug, 1u16 as i8);
   log(debug, 1u16 as i16);
   log(debug, 1u16 as i32);
@@ -114,7 +114,7 @@ fn main() {
   log(debug, 1i32 as uint);
   log(debug, 1i32 as float);
   log(debug, 1i32 as bool);
-  log(debug, 1i32 as os::libc::FILE);
+  log(debug, 1i32 as os::FILE);
   log(debug, 1i32 as i8);
   log(debug, 1i32 as i16);
   log(debug, 1i32 as i32);
@@ -130,7 +130,7 @@ fn main() {
   log(debug, 1u32 as uint);
   log(debug, 1u32 as float);
   log(debug, 1u32 as bool);
-  log(debug, 1u32 as os::libc::FILE);
+  log(debug, 1u32 as os::FILE);
   log(debug, 1u32 as i8);
   log(debug, 1u32 as i16);
   log(debug, 1u32 as i32);
@@ -146,7 +146,7 @@ fn main() {
   log(debug, 1i64 as uint);
   log(debug, 1i64 as float);
   log(debug, 1i64 as bool);
-  log(debug, 1i64 as os::libc::FILE);
+  log(debug, 1i64 as os::FILE);
   log(debug, 1i64 as i8);
   log(debug, 1i64 as i16);
   log(debug, 1i64 as i32);
@@ -162,7 +162,7 @@ fn main() {
   log(debug, 1u64 as uint);
   log(debug, 1u64 as float);
   log(debug, 1u64 as bool);
-  log(debug, 1u64 as os::libc::FILE);
+  log(debug, 1u64 as os::FILE);
   log(debug, 1u64 as i8);
   log(debug, 1u64 as i16);
   log(debug, 1u64 as i32);
@@ -178,7 +178,7 @@ fn main() {
   log(debug, 1u64 as uint);
   log(debug, 1u64 as float);
   log(debug, 1u64 as bool);
-  log(debug, 1u64 as os::libc::FILE);
+  log(debug, 1u64 as os::FILE);
   log(debug, 1u64 as i8);
   log(debug, 1u64 as i16);
   log(debug, 1u64 as i32);
@@ -194,7 +194,7 @@ fn main() {
   log(debug, true as uint);
   log(debug, true as float);
   log(debug, true as bool);
-  log(debug, true as os::libc::FILE);
+  log(debug, true as os::FILE);
   log(debug, true as i8);
   log(debug, true as i16);
   log(debug, true as i32);