#include <iostream>
#include <iomanip>

using namespace std;


// int main() {
// main (int argc, char * argv[])
// main (int argc, char **argv)
// main (int argc, char * argv[], char ** envp)
int main(int argc, char * argv[], [[maybe_unused]] char * envp[] ) {
   int i;

   cout << "The name of this program is " << argv[0] << endl;
   cout << endl;
   cout << "There are " << argc-1 << " command line arguments." << endl;
   cout << "They are: " << endl;

   for(i=1; i < argc; ++i) {
     cout << "\t" << i  << setw(30)  << argv[i] << endl;
   }

   cout << endl << endl;

   
   cout << "The enviornment is " << endl;


   i = 0;
   while (envp[i] != nullptr) {
     cout << i  << " "  << envp[i] << endl;
     ++i;
   }
   

   return 0;
}