hi everyone,
i have a problem in converting the c++ language to c language.
can anyone help me to do this because i just learn programming.

#include <stdio.h>


void choosePlay(char);
void playGame(int,int,int,int);
void match(int[][4]);
int r1,r2,c1,c2;
char comma;
int cards[4][4]={{1,3,2,4},{4,2,3,1},{5,7,6,8},{8,6,7,5}};

void main()
{

    char click;
    char newcard;



    cout<<"@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n";
    cout<<"@                                                                            @\n";
    cout<<"@                    ##  ## #### ##  ## #### #### # #                      @\n";
    cout<<"@                    # # # # #    # # # # #  # #  # # #                      @\n";
    cout<<"@                    #  #  # ###  #  #  # #  # #### ###                      @\n";
    cout<<"@                    #    # #    #    # #  # # #    #                      @\n";
    cout<<"@                    #    # #### #    # #### #  # ###                      @\n";
    cout<<"@                                                                            @\n";
    cout<<"@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\n\n";


    choosePlay(click);

  do{
      playGame(r1,c1,r2,c2);
        match(cards);

      cout<<"any card does not open?((Y)es or (N)o)";
      cin>>newcard;

  }while(newcard =='Y');

    //this pushes the next board onto a blank screen
    for (int b=0; b<=5; b++){
        cout<<endl;
    }

    cout<<"YOU ARE THE WINNER!!"<<endl;
  getch();
}

//----------------------------------------------------------------------------//

void choosePlay(char c){


    cout<<"WELCOME TO MEMORY GAME"<<endl;
    cout<<"DO YOU WANT TO PLAY THIS GAME?\n"<<endl;
    cout<<"(y/n)\n\n";
    cin>>c;

    if(c=='y'){
        //display board
        cout<<"\n\n    1  2  3  4\n"<<endl;
        cout<<"  ";

        for (int i=0; i<=6; i++)
        {
            cout<<" -";
        }
      cout<<endl;

    for (int r=0; r<4; r++)
    {
        cout<<r+1<<" | ";
        for (int c=0; c<4; c++)
        {
            cout<<" * ";
        }
        cout<<endl;
    }
    cout<<endl;
  }
    else if(c=='n') {
            cout<<"Thank you for enter this game"<<endl;
      }
}


//-----------------------------------------------------------------------------//

void playGame(int s1,int d1,int s2,int d2){


    //selection
    cout<<"Please insert the first card row and column seperated by a comma.\n";
    cin>>s1>>comma>>d1;
    cout<<"Please insert the second card row and column seperated by a comma.\n";
    cin>>s2>>comma>>d2;
    //fix
    s1--;
    d1--;
    s2--;
    d2--;
    cout<<s2<<d2;

    //reveal
    cout<<"\n\n    1  2  3  4\n";
    cout<<"  ";
    for (int i=0; i<=6; i++)
    {
        cout<<" -";
    }
    cout<<endl;

    for (int r=0; r<4; r++)
    {
        cout<<r+1<<" | ";
        for (int c=0; c<4; c++)
        {
            if ((r==s1)&&(c==d1))
            {
              cout<<"  ";
            }
            else if((r==s2)&&(c==d2))
            {
                cout<<"  ";

            }
            else
            {
                cout<<" * ";
            }
        }
        cout<<endl;
    }
}

//----------------------------------------------------------------------------//

void match(int cards[4][4]){

    //match?

    if (cards[r1][c1]==cards[r2][c2])
    {
    cout<<"  ";
    }
  else
    {
    }
}

all your cooperation is appreciated.
kindly,
rossie.

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