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c program for swapping with the help of pointer

#include<stdio.h>
#include<conio.h>
void swap(int*,int*);

void main()
{
  int a,b;
  clrscr();
  printf("enter two value\n");
  scanf(" %d%d",&a,&b);
  swap(&a,&b);
  getch();
  }
  void swap(int *a,int *b)
  {
   int *c;
   *c=*a;
   *a=*b;
   *b=*c;
   printf("value Are=%5d\t%d",*a,*b);
   }

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