type HANDLE = u32; type DWORD = u32; type SIZE_T = u32; type LPVOID = uint; type BOOL = u8; #[cfg(target_os = "win32")] #[abi = "stdcall"] native mod kernel32 { fn GetProcessHeap() -> HANDLE; fn HeapAlloc(hHeap: HANDLE, dwFlags: DWORD, dwBytes: SIZE_T) -> LPVOID; fn HeapFree(hHeap: HANDLE, dwFlags: DWORD, lpMem: LPVOID) -> BOOL; } #[cfg(target_os = "win32")] fn main() { let heap = kernel32::GetProcessHeap(); let mem = kernel32::HeapAlloc(heap, 0u32, 100u32); assert mem != 0u; let res = kernel32::HeapFree(heap, 0u32, mem); assert res != 0u8; } #[cfg(target_os = "macos")] #[cfg(target_os = "linux")] #[cfg(target_os = "freebsd")] fn main() { }