How do I call C from Go using the "foreign function interface"

Question

How do I use Go's "foreign function interface" to call out to a C function?

This interface is mentioned on the FAQ, but I cannot see it mentioned elsewhere in the docs.

See also http://stackoverflow.com/questions/1713214/how-to-use-c-in-go — VonC, Aug 02 '12 at 06:50

score 18 · Answer 1 · edited Mar 30 '16 at 04:33

18

Check out this file from the Go repository. It shows how to wrap a C library in Go and has quite a few comments that explain the process.

edited Mar 30 '16 at 04:33

answered Apr 29 '10 at 20:02

Paul Wicks

1

That's a very well documented file! I had begun writing an answer but decided to check that file out and then deleted my unfinished answer after reading. – hannson Nov 18 '10 at 11:48

score 2 · Answer 2 · answered Jul 30 '13 at 02:01

2

Here is an article that demonstrates the following with Cgo:

To lead with an example, here's a Go package that provides two functions - Random and Seed - that wrap C's rand and srand functions.

answered Jul 30 '13 at 02:01

danriti

2 Answers2