#include <stdio.h> void display(char str[]); int square(int x); int cube(int y); int main() { int num; char msg[50] = "String to be passed to a function"; display(msg); num = square(4); printf("4 x 4 = %d\n", num); printf("4 x 4 x 4 = %d\n", cube(4)); return 0; } void display(char str[]) { printf("%s\n", str); } int square(int x) { return x * x; } int cube(int y) { return (y * y) * y; }