The scanf placeholders : scanf Basics « printf scanf « C Tutorial

1. C Tutorial
2. printf scanf
3. scanf Basics

d, i Used for signed integers; the expected argument should be a pointer to int.

#include <stdio.h>

main()
{
    int i = 0;
    int k;

    printf("input an integer:\n");

    i=scanf("%d",&k);
    printf("total values inputted %d\n",i);
    printf("The input values %d\n",k);
}

input an integer:
      3
      total values inputted 1
      The input values 3