Function fsync

playground/src/wasm/wasm_exec.js:42–42

(fd, callback)

      fchown(fd, uid, gid, callback) { callback(enosys()); },
      fstat(fd, callback) { callback(enosys()); },
      fsync(fd, callback) { callback(null); },
      ftruncate(fd, length, callback) { callback(enosys()); },
      lchown(path, uid, gid, callback) { callback(enosys()); },
      link(path, link, callback) { callback(enosys()); },