Re: [Dev-C++] Newbie

[Andre` N. C. <ca...@op...>]

well, for one you need to have int main() or the incorect void main() but
never just main()
at the end of your program you returned 0 so your main function has to be an
int.

Your other problem is you need the correct header file.  I'm not sure what
it is..
I cant remember been a while since DOS land!:)

Randy Hust wrote:

> Hi..I'm just getting started and I understand that when you want to halt
> the screen in order to read the result in DOS you must enter
> system("PAUSE");
> Why does this work sometimes and other times I get a compilation error
>   " 18: implicit declaration of function `int system(...)' "
>
> Here is a sample no-brainer program I coded that produces just that
> error...
> Thanks!
>
> #include <stdio.h>
>
>  main()
> {
> float perCent,result,num;
>
> printf("Enter the number you want a percentage of :\n");
> scanf("%f",&num);
>
> printf("Enter the percentage of that number you want calculated :\n");
> scanf("%f", &perCent);
>
>   result = (num * perCent)/100;
>
>      printf("%f  percent of  %f  =  %f", perCent,num,result);
>
>              system("PAUSE");
>
>             return 0;
>
>   }
>
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