fn setSocketOptionAfd(socket: net.Socket.Handle, level: i32, opt_name: u32, opt_val: anytype) !void
fn setSocketOptionAfd(socket: net.Socket.Handle, level: i32, opt_name: u32, opt_val: anytype) !void { try socketOptionAfd(socket, .set, level, opt_name, @ptrCast(@constCast(&opt_val))); }