Type Alias LPWSPIOCTL
pub type LPWSPIOCTL = Option<unsafe extern "system" fn(s: SOCKET, dwiocontrolcode: u32, lpvinbuffer: *const c_void, cbinbuffer: u32, lpvoutbuffer: *mut c_void, cboutbuffer: u32, lpcbbytesreturned: *mut u32, lpoverlapped: *mut OVERLAPPED, lpcompletionroutine: LPWSAOVERLAPPED_COMPLETION_ROUTINE, lpthreadid: *const WSATHREADID, lperrno: *mut i32) -> i32>;
pub enum LPWSPIOCTL {
None,
Some(unsafe extern "system" fn(SOCKET, u32, *const c_void, u32, *mut c_void, u32, *mut u32, *mut OVERLAPPED, Option<unsafe extern "system" fn(u32, u32, *mut OVERLAPPED, u32)>, *const WSATHREADID, *mut i32) -> i32),
}