Hello world with node-ffi

hello.cpp

extern "C" {
  int hello();
}

#include <stdio.h>

int hello() {
  printf("hello world\n");
  return 0;
}

hello.js

var ffi = require('ffi');
var hello = new ffi.Library('libhello', {
  'hello': ['int', []]
});

console.log(hello.hello())

Node-ffi.md

Hello world with node-ffi

Use C++ dynamic library from Node.js with node-ffi

$ g++ -dynamiclib -o libhello.dylib hello.cpp
$ ls 
libhello.dylib   hello.cpp   hello.js
$ node hello.js
hello world
0