gistfile1.txt

#include <stdio.h>

// 1 2 3 4 5
// 1 3 4 5 -1
void deleteItem (int list[], int z, int index) {
	int i = index;
	while (i < z) {
		if ((i + 1) < z) // if there's an item on the left
			list[i] = list[i + 1];
		else
			list[i] = -1;
		i++;
	}
}

int main () {
	int list[] = {1, 2, 3, 4, 5}, i;
	deleteItem(list, 5, 1);
	for (i = 0; i < 5; i++) {
		printf("%d\n", list[i]);
	}

	return 0;
}