pub fn failingNetWriteFile(userdata: ?*anyopaque, handle: net.Socket.Handle, header: []const u8, file_reader: *Io.File.Reader, limit: Io.Limit) net.Stream.Writer.WriteFileError!usize
pub fn failingNetWriteFile(userdata: ?*anyopaque, handle: net.Socket.Handle, header: []const u8, file_reader: *Io.File.Reader, limit: Io.Limit) net.Stream.Writer.WriteFileError!usize { _ = userdata; _ = handle; _ = header; _ = file_reader; _ = limit; return error.NetworkDown; }