#include <stdio.h>
#include "Stack.h"

struct pcb {
	int pid;
	int priority;
	int number_of_children;
};

int main() {
	struct pcb array[8] = {
		{0532, 4, 0}, {1945, 5, 0}, {2241, 9, 0}, {3893, 0, 0},
		{4523, 1, 0}, {5914, 0, 0}, {6235, 7, 0}, {7521, 5, 0}
	};

	int i;

	struct Stack s;
	init( &s, 10 );

	push( &s, &( array[3] ) );
	push( &s, &( array[7] ) );
	push( &s, &( array[4] ) );
	push( &s, &( array[2] ) );
	push( &s, &( array[6] ) );

	for ( i = 0; i < 5; ++i ) {
		struct pcb *ptr = top( &s );
		printf( "PID:  %d\n", ptr->pid );
		// Alternate form:
		// printf( "PID:  %d\n", ((struct pcb *)top( &s ))->pid );
		pop( &s );
	}

	deinit( &s );

	return 0;
}