using pointer function swap c-basics

Author: kartikgandhi

pointerfunswap.c

@@ -0,0 +1,22 @@
+#include<stdio.h>
+void main()
+{
+int a,b,temp,*p,*q;
+printf("Enter number 1");
+scanf("%d",&a);
+printf("Enter number 2");
+scanf("%d",&b);
+p=&a;
+q=&b;
+swap(p,q);
+}
+int swap(int *p,int *q)
+{
+int temp;
+temp=p;
+p=q;
+q=temp;
+printf("Value of a is %d",*p);
+printf("Value of b is %d",*q);
+return 0;
+}