Pointer Program #3
12. Swap two numbers using user defined function. (Use concept of Call by Reference). #include<stdio.h> void swap(int *,int *); void main() { int x,y; printf("Enter the values of first number:\n"); scanf("%d",&x); printf("Enter the values of second number:\n"); scanf("%d",&y); swap(&x,&y); printf("\nValues inside the main function:"); printf("\nfirst=%d,second=%d\n",x,y); } void swap(int *a,int *b) { int t; t=*a; *a=*b; *b=t; printf("\nValues inside the swap function:"); printf("\nfirst=%d,second=%d",*a,*b); } Output Enter the values of first number: 3 Enter the values of second numbe...