variadic number of arguments

#include <iostream>
#include <cstdarg>

int max(size_t number, ...)
{
    va_list argList;
    va_start(argList, number);
    int max = va_arg(argList, int);
    for(size_t i = 1; i < number; ++i)
    {
        int val = va_arg(argList, int);
        max = std::max(val, max);
    }
    va_end(argList);
    return max;
}

int main()
{
    int maxVal = max(6, 12, 43215, 61, 516, 412222, 65125);
    std::cout << "Max value is: " << maxVal << std::endl;
    return 0;
}