#cgo-exmaple

There are five examples of using cgo.

builtin

C code is built in Go program.

usage: cd builtin && go build && ./builtin

c-lib

Using C static library in Go program.

The function add was written in C and built in static library: add.a.

usage: cd c-lib && make && ./c-lib

c-so

Using C shared library in Go program.

The function add was written in C and built in shared library: add.so.

usage: cd c-so && make && ./c-so

go-lib

Calling Go function in C program.

The function add was written in Go and built in static library.

Then called by main.c.

usage: cd go-lib && make && ./go-lib

go-so

Calling go function in c program.

The function add was written in Go and built in shared library.

Then called by main.c.

usage: cd go-so && make && ./go-so