SemanticallyNull

alert('test');

SemanticallyNull

#include <stdio.h>

int main() {
	int age;
	int sum = 0;
	float avrg;
	int x;

	printf("I'm going to ask 10 people for their age and then find the average\n");
	printf("of their ages at the end, just for fun!\n\n");

SemanticallyNull

#include <stdio.h>

int main(void) { // Thanks to @barrettcolin for showing me the way.
        int age;

        printf("What is your age? ");
        scanf("%d", &age); // Accept a numeric input and push it to age (by getting the lvalue of age)
        if(age < 5) {
                printf("Wow, you're very young!\n");
        } else if(age < 12) {