NLMSG_NEXT function
Implementation
Tuple2<ffi.Pointer<nlmsghdr>, int> NLMSG_NEXT(ffi.Pointer<nlmsghdr> nlh, int len) {
final newLen = len - NLMSG_ALIGN(nlh.ref.nlmsg_len);
final addr = nlh.address + NLMSG_ALIGN(nlh.ref.nlmsg_len);
final newNlh = ffi.Pointer<nlmsghdr>.fromAddress(addr);
return Tuple2(newNlh, newLen);
}