c++ forward function call

Question

Is it possible to transfer list of parameters of a function , to another function?

For example in my functionA I want to call my functionB/functionC (depends on the stat

Answer 1

If you have only longs in your va_args that can work.

int functionA(int a, ...){
    va_list listPointer;
    va_start( listPointer, a);
    long b = va_arg(listPointer, long);
    long c = va_arg(listPointer, long);
    long d = va_arg(listPointer, long);
    va_end(listPointer);
    return functionB(b, c, d);
}