#include <iostream>
#include <vector>

constexpr bool include_non_printable = false;

int main()
{
    std::vector<int> possibilities;
    for(int i=0; i<128; i++)
        if(isprint(i) || include_non_printable)
            possibilities.push_back(i);
    
    srand48(time(0));  
    char pick = possibilities[lrand48()%possibilities.size()];
    
    std::cout << "Random pick: "
            << (isprint(pick) ? std::string(1,pick) + " " : "")
            << "(" << (int)pick << ")"
            << std::endl;
}