Linker Error when program is run (Urgent help required Please")

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Linker Error when program is run (Urgent help required Please")

 
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  #1
Jun 6th, 2005
I have copied this program from this site, and simply copied as a new C++ file
but when run I got a number of error. so I included Myheader file which amongs other includes, the iostream.h, and stlib.h, that is why they have been commented out below. Any way doing this I have then run the program, and got a syntax error so I commented out line six as well, as shown below, but then still couldn't get the program to run, I keep getting this error

Linker error: undefined sysmbol_system in module game1.cpp
"game1 is what have named the program"


C++ Syntax (Toggle Plain Text) 
  1. #include"myheader.h"
  2. #include<iostream.h>
  3. #include<time.h>
  4. #include<stdlib.h>
  5. #include<windows.h>
  6. //using namespace std;
  7. void one();
  8. void two();
  9. void three();
  10. void four();
  11. void five();
  12. void six();
  13. //Declare Functions used
  14. int main()
  15. {
  16.    short unsigned int score = 0;
  17.    short unsigned int compScore = 0;
  18.    short unsigned int num = 0;
  19.    short unsigned int num2 = 0;
  20.    short unsigned int compNum = 0;
  21.    short unsigned int compNum2 = 0;
  22.    short unsigned int sum = 0;
  23.    short unsigned int compSum = 0;
  24.    char letter='j';
  25. //Declare Variables
  26.    srand(time(NULL));
  27. //Initialize random number generator
  28.    system("title Joe's Dice Game");
  29.    while ( letter != 'q' )
  30.    {
  31.       cout << "Your Score: " << score << endl;
  32.       cout << "computer's Score: " << compScore << endl << endl;
  33.       cout << "Press r to roll or q to quit: ";
  34.       cin >> letter;
  35.       num = 1 + rand() % (6 - 1 + 1);
  36.       num2 = 1 + rand() % (6 - 1 + 1);
  37.       compNum = 1 + rand() % (6 - 1 + 1);
  38.       compNum2 = 1 + rand() % (6 - 1 + 1);
  39.  
  40. //Random numbers
  41.  
  42.       sum = num + num2;
  43.       compSum = compNum + compNum2;
  44.  
  45. //Calculate Sums
  46.  
  47.       if ( letter == 'q' )
  48.          break;
  49.       if ( letter != 'r' )
  50.       {
  51.          system("cls");
  52.          continue;
  53.       }
  54.  
  55.       switch ( num )
  56.       {
  57.       case 1:
  58.          one();
  59.          break;
  60.       case 2:
  61.          two();
  62.          break;
  63.       case 3:
  64.          three();
  65.          break;
  66.       case 4:
  67.          four();
  68.          break;
  69.       case 5:
  70.          five();
  71.          break;
  72.       case 6:
  73.          six();
  74.          break;
  75.       default:
  76.          cout << "Error...";
  77.          break;
  78.       } //end switch
  79.  
  80.       switch ( num2 )
  81.       {
  82.       case 1:
  83.          one();
  84.          break;
  85.       case 2:
  86.          two();
  87.          break;
  88.       case 3:
  89.          three();
  90.          break;
  91.       case 4:
  92.          four();
  93.          break;
  94.       case 5:
  95.          five();
  96.          break;
  97.       case 6:
  98.          six();
  99.          break;
  100.       default:
  101.          cout << "Error...";
  102.          break;
  103.       } //end switch
  104.  
  105.       cout << endl << "Yours: " << num << ", " << num2 << endl;
  106.       cout << "Computer's: " << compNum << ", " << compNum2 << "\n\n";
  107.  
  108. //Display dice and numbers
  109.  
  110.       if ( sum > compSum )
  111.       {
  112.          cout << "You won!!" << endl << endl;
  113.          score++;
  114.       }
  115.       else
  116.       {
  117.          compScore++;
  118.          cout << "you lost..." << endl << endl;
  119.       }
  120.  
  121. //Calculate score
  122.  
  123.       system("pause");
  124.       system("cls");
  125.  
  126.       if ( score == 12 )
  127.       {
  128.          MessageBox(0, "You Won!!!", "Results:", MB_ICONEXCLAMATION);
  129.          break;
  130.       }
  131.       if ( compScore == 12 )
  132.       {
  133.          MessageBox(0, "You lost...", "Results:", MB_ICONEXCLAMATION);
  134.          break; 
  135.       }
  136.    }
  137.    return 0;
  138. }
  139.  
  140. void one()
  141. {
  142.    cout << " -----" << endl;
  143.    cout << "| |" << endl;
  144.    cout << "| O |" << endl;
  145.    cout << "| |" << endl;
  146.    cout << " -----" << endl;
  147. }
  148. void two()
  149. {
  150.    cout << " -----" << endl;
  151.    cout << "| O|" << endl;
  152.    cout << "| |" << endl;
  153.    cout << "|O |" << endl;
  154.    cout << " -----" << endl;
  155. }
  156. void three()
  157. {
  158.    cout << " -----" << endl;
  159.    cout << "| O|" << endl;
  160.    cout << "| O |" << endl;
  161.    cout << "|O |" << endl;
  162.    cout << " -----" << endl;
  163. }
  164. void four()
  165. {
  166.    cout << " -----" << endl;
  167.    cout << "|O O|" << endl;
  168.    cout << "| |" << endl;
  169.    cout << "|O O|" << endl;
  170.    cout << " -----" << endl;
  171. }
  172. void five()
  173. {
  174.    cout << " -----" << endl;
  175.    cout << "|O O|" << endl;
  176.    cout << "| O |" << endl;
  177.    cout << "|O O|" << endl;
  178.    cout << " -----" << endl;
  179. }
  180. void six()
  181. {
  182.    cout << " -----" << endl;
  183.    cout << "|O O|" << endl;
  184.    cout << "|O O|" << endl;
  185.    cout << "|O O|" << endl;
  186.    cout << " -----" << endl;
  187. }
<< moderator edit: added [code][/code] tags and indenting >>
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Re: Linker Error when program is run (Urgent help required Please")

 
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  #2
Jun 6th, 2005
Is that the exact error or your rendition of the error?
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Re: Linker Error when program is run (Urgent help required Please")

 
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  #3
Jun 7th, 2005
I think you should comment out the first line.

//#include"myheader.h"
#include<iostream.h>
#include<time.h>
#include<stdlib.h>
#include<windows.h>
...
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Re: Linker Error when program is run (Urgent help required Please")

 
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  #4
Jun 7th, 2005
yes that's exactly the error have got.

once i comment the first line, I get loads more errors.

Am guessing maybe that game is rather a C++ project, but i have tried creating it as a project but still no success. Uhh I don't know

can smeone please try and copy the game from http://www.daniweb.com/techtalkforums/thread5123.html
and see if you can get it to work.

Thank you
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