Int(29*13/5) = int(377/5) = int(75.4) = 75

swap (int *a, int *b) {

*a ^= *b;

*b ^= *a;

*a ^= *b;

}

int c = 13;

int d = 27;

swap (&c, &d); /*c is now 27 and d is now 13 */

Note: there is no call-by-reference in C. In C++:

void swap (int &a, int &b)

{

. int tmp;

. tmp = a;

. a = b;

. b = tmp;

}

int n1;

int n2;

int n3;

int n4;

int n5;

int n6;

int n7;

int n8;

int n9;

int n10;

int n11;

int n12;

int n13;

int n14;

int n15;

int n16;

int n17;

int n18;

int n19;

int n20;

int n21;

int n22;

int n23;

int n24;

int n25;

int n26;

int n27;

int n28;

int n29;

int n30;

166 inches = 13 ft 10 in

// declare a function

int* function(int, int);

or

int* (function)(int, int);

// declare a pointer to a function

int* (*pointer_to_function)(int, int);