extern  "C" {
  fn c_func(x: *mut *mut libc::c_void);

  fn c_func(x: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, y: YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY);

    #[test123]
    fn foo() -> uint64_t;

pub fn bar() ;
   }

extern {
        fn DMR_GetDevice(pHDev: *mut HDEV, searchMode: DeviceSearchMode, pSearchString: *const c_char, devNr: c_uint, wildcard: c_char) -> TDMR_ERROR;
        
    fn quux() -> (); // Post comment
}

extern "Rust" { static ext:  u32;
    // Some comment.
     pub static  mut var : SomeType ; }