With a return value in Objective-C

Functions

With a return value
Without a return value
Multiple return values
Without parameters
Array of parameters
Out parameters
In-out parameters
Modifying parameters
Optional parameter values
External parameter names
Omitting external parameter names
Recursion

int getSum(int n1, int n2) {
return n1 + n2;
}

int getDiv(int n1, int n2) {
return n1 / n2;
}

int sum = getSum(5, 3);
//sum is 8

int div = getDiv(5, 3);
//div is 1