Hello world,
for example, i have a function who calculate some values, i wish write these
values in a file, inside a funtcion .
I am trying to do this but shows an error.
For example
....
#include<iostream>
#define Pi 3.141516
...
using namespace std;
FILE *f;//where must i define a variable FILE *f? here? or inside a
funtcion?
//function
void suma(int i)
{
f=fopen("data.txt", "w+"); /// is it necessary to write f as incomig
variable? if yes, how to do it?
float s=0;
for (int i ; i<10;i++)
{
++s=Pi;
}
fclose(f);
}
//main program
int main ()
{
...
suma(i);
...
}
specifically shows erros inside a function. I think is because the
function.
A question: how did you write data into a text file inside a function?
is my question clear?
Bye
Miguel.
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