GTU PPS Practical - 55
Write a C program to swap the two values using pointers.
#include
void swap(int * , int * );
int main(void) {
int i = 25, j = 35;
printf("\n Before Swapping i = %d j = %d", i, j);
swap( & i, & j);
printf("\n After Swapping i = %d j = %d", i, j);
return 0;
}
void swap(int * a, int * b) {
* a = * a + * b;
* b = * a - * b;
* a = * a - * b;
}