Need Help on creating a Proj on Dev C++

This is a discussion on Need Help on creating a Proj on Dev C++ within the C++ Programming forums, part of the General Programming Boards category; can anyone tell me how to create a project in dev c++ and make it work?? i have 2 simple ...

  1. #1
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    Oct 2002
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    5

    Need Help on creating a Proj on Dev C++

    can anyone tell me how to create a project in dev c++ and make it work?? i have 2 simple files that ive created and put in a project but i just cant get it to work . . any help is appreciated .. thanx
    here's the 2 files :
    file a:
    Code:
    #include <stdio.h>
    int p(void)
    int q(void)
    
    main()
    {
       int k;
       k = p();
       printf("%d", k);
       k = q();
       printf("%d", k);
       return EXIT_SUCCESS;
    }
    
    int count = 0;
    
    int p(void)
    {
       count++;
       return count;
    }
    file b:
    Code:
    int q(void)
    {
       extern int count;
       count += 5;
       return count;
    }

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  3. #3
    fry
    fry is offline
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    You need to include the second file in your main file:
    Code:
     
    #include <stdio.h>
    #include "file_b.h" // easy way out. See below
    
    int p(void);  // need a colon here
    int q(void)   // this line not needed
    
    int main(){  // add 'int'
        int k;   
        k = p();
       printf("%d", k);
       k = q();
       printf("%d", k);
       return EXIT_SUCCESS;
    }
    
    int count = 0;
    int p(void){
       count++;
       return count;
    }
    The easy way out is to call your second file "fileb.h". That way, you just include it, and everything works fine. The more correct way, i believe is to make it "fileb.cpp" and then link that. The difference is that you need to compile both files, and you will have to put any necessary #include lines into both files, not just one.
    IDE: Dev C++ 5
    Lib: Allegro
    OS: Windows 2000

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