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增加 Example. 

Signed-off-by: rick.chan <chenyang@autoai.com>
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rick.chan 2021-01-06 13:35:42 +08:00
parent fe4f04ba13
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4
Software/Development/Language/Go/Basic/Build_and_Use_Go_Packages_as_C_Libraries.md
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@ -2,7 +2,7 @@
CGO is an official builtin feature of Go, it enables the creation of Go packages that reference to C libraries. But it isn’t just that, it is achievable in the opposite direction, too. It enables creation of C libraries from Go packages so that C code can reference to Go, which is mind-blowing. CGO is an official builtin feature of Go, it enables the creation of Go packages that reference to C libraries. But it isn’t just that, it is achievable in the opposite direction, too. It enables creation of C libraries from Go packages so that C code can reference to Go, which is mind-blowing.
CGO 不但可以使 Go 包访问 C 库，还可以通过 Go 包创建 C 库。 CGO 不但可以使 Go 包访问 C 库，还可以通过 Go 包创建 C 库，进而使 C/C++ 程序可调用 Go 语言程序。
## 1.How to ## 1.How to
@ -40,6 +40,8 @@ To export a Go function as a C symbol:
* 在要导出的函数使用 **//export FuncName** 注释； * 在要导出的函数使用 **//export FuncName** 注释；
* 不能使用 Go struct、Go interface、Go arra、以及可变参数。 * 不能使用 Go struct、Go interface、Go arra、以及可变参数。
## 2.Example
```go ```go
package main package main