doc: add C? Go? Cgo! article
Originally published on The Go Programming Language Blog, March 17, 2011.
http://blog.golang.org/2011/03/c-go-cgo.html
Update #2547.
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/5777054
diff --git a/doc/progs/cgo4.go b/doc/progs/cgo4.go
new file mode 100644
index 0000000..3808d62
--- /dev/null
+++ b/doc/progs/cgo4.go
@@ -0,0 +1,17 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+package print
+
+// #include <stdio.h>
+// #include <stdlib.h>
+import "C"
+import "unsafe"
+
+func Print(s string) {
+ cs := C.CString(s)
+ defer C.free(unsafe.Pointer(cs))
+ C.fputs(cs, (*C.FILE)(C.stdout))
+}
+
+// END OMIT