Tuesday 24 July 2012

Swap values of two variables using call by value | output | comments

Swap values of two variables using call by value | output | comments
void swap(int a,int b)
{
int temp;
temp=a;
a=b;
b=temp;
printf("\nValues of a and b within the function: %d %d",a,b);
}
int main()

{
int a,b;
//Accept value of a & b
printf("\nEnter value of a:");
scanf("%d",&a);
printf("\nEnter value of b:");
scanf("%d",&b);
//print values before calling swap function
printf("\nValues of a and b before calling the function: %d %d",a,b);
//Calling swap function
swap(a,b);
//print values after calling the swap function
printf("\nValues of a and b after calling the function: %d %d",a,b);
}
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