Program to Calculate Sum and Difference between Integers

//Program to Calculate Sum and Difference between Integers
#include<stdio.h>
#include<conio.h>
int main()
{
  int a,b;
  clrscr();
  printf("Enter two integers whose sum and difference to be calculated\n");
  scanf("%d%d",&a,&b);
  printf("The sum of two Integers is = %d",sum(a,b));
  printf("\nThe difference of two Integers is = %d",diff(a,b);
 
  getch();
  return 0;
}

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