void twoPlayer(int dice1 [], int sheet1[], int indices1[],
   int dice2 [], int sheet2[], int indices2[]);

/**
* multiple playing mode
*/
void multiplePlaying();

int main(int argc, char** argv) {
if (argc != 2) {
   cout << "Invalid argument\n";
   return -1;
}
int player = atoi(argv[1]);
if (player < 1 || player > 2) {
   cout << "Number of player should be 1 or 2\n";
   return -1;
}
if (player == 1) {
   singlePlaying();
} else {
   multiplePlaying();
}

return 0;
}

void multiplePlaying() {
int dices1[5], dices2[5], sheet1[13], sheet2[13], indices1 [5], indices2 [5];
string option;
do {
   twoPlayer(dices1, sheet1, indices1, dices2, sheet2, indices2);
   cout << "Do you want to play another game(yes/no): ";
   cin >> option;
   cout << "\n----------------------------------------------\n";
} while (option == "yes");
}

void twoPlayer(int dice1 [], int sheet1[], int indices1[],
   int dice2 [], int sheet2[], int indices2[]) {
int yahtzees1, yahtzees2;
initSheet(sheet1, 13);
initSheet(sheet2, 13);
do {
   playing("Player 1 turn: ", dice1, sheet1, indices1, "Player 2 turn: ", dice2, sheet2, indices2, yahtzees1, yahtzees2);
} while (isFinished(sheet1) == false && isFinished(sheet2) == false);
int score1 = getScore(sheet1, yahtzees1);
int score2 = getScore(sheet2, yahtzees2);
showTwoPlayerResult(score1, score2);
}

Your task is to create a tcsh shell script that is able to backup a...