std: Migrate to the new libc

* Delete `sys::unix::{c, sync}` as these are now all folded into libc itself
* Update all references to use `libc` as a result.
* Update all references to the new flat namespace.
* Moves all windows bindings into sys::c

1 files changed, 5 insertions, 4 deletions

diff --git a/src/libstd/sys/windows/printing/gnu.rs b/src/libstd/sys/windows/printing/gnu.rs
index e27bef0b1e9..c1367d5381d 100644
--- a/src/libstd/sys/windows/printing/gnu.rs
+++ b/src/libstd/sys/windows/printing/gnu.rs
@@ -11,14 +11,15 @@
 #![allow(deprecated)]
 
 use dynamic_lib::DynamicLibrary;
-use io;
 use io::prelude::*;
-use libc;
+use io;
+use sys::c;
+use libc::c_void;
 
 use sys_common::gnu::libbacktrace;
 
-pub fn print(w: &mut Write, i: isize, addr: u64, _: &DynamicLibrary, _: libc::HANDLE)
+pub fn print(w: &mut Write, i: isize, addr: u64, _: &DynamicLibrary, _: c::HANDLE)
         -> io::Result<()> {
-    let addr = addr as usize as *mut libc::c_void;
+    let addr = addr as usize as *mut c_void;
     libbacktrace::print(w, i, addr, addr)
 }