renamed: from pointer/q2

Author: razzat008

Pointer Questions/2_swap_two_numbers.c

@@ -0,0 +1,21 @@
+//WAP to swap two numbers using pointer.
+
+#include <stdio.h>
+int swap(int *, int *);
+int main(){
+    int a, b;
+    int *ptr1 = &a, *ptr2 = &b;
+    printf("Enter two numbers: ");
+    scanf("%d%d", &a, &b);
+    printf("Before Swap:\na = %d\tb = %d\n", a, b);
+    swap(ptr1, ptr2);
+    printf("After Swap:\na = %d\tb = %d\n", a, b);
+    return 0;
+}
+int swap(int *ptr1, int *ptr2){
+    int temp;
+    temp = *ptr1;
+    *ptr1 = *ptr2;
+    *ptr2 = temp;
+    return 0;
+}