Question

How to read numbers from binary file in C

Answer 1

#include <stdio.h>
 
int main(int argc, char **argv) 
{ 
    FILE *f;

    f = fopen("d:\\data.bin", "rb");
    if (!f)
    {
        printf("Unable to open d:\\data.bin");
        return 1;
    }
    for (int i = 1; i <= 10; i++)
    {
        int n;
        fread(&n, sizeof(int), 1, f);
        printf("%d\n", n);
            
    }
    
    fclose(f);
     
    return(0);
}
 
/*
run:
 
1
2
3
4
5
6
7
8
9
10

*/

 

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