/* File: average1.c A function with 2 parameters. */ #include double average(int x, int y) { double r ; r = (x + y) / 2.0 ; return r ; } int main() { int num1, num2 ; double a ; printf("Enter first number: ") ; scanf("%d", &num1) ; printf("Enter second number: ") ; scanf("%d", &num2) ; a = average(num1, num2) ; printf("The avearge of %d and %d is %lf\n", num1, num2, a) ; return 0 ; }