1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Nothing to see here. 6 // This file exists so that the go command knows that parts of the 7 // package are implemented in C, so that it does not instruct the 8 // Go compiler to complain about extern declarations. 9 // The actual implementations are in package runtime.