#include "person.h"
#include <string.h>

int person_compare(const person_t *a, const person_t *b) {
	int result;
	result = strcmp(a->name,b->name);
	if(result) {
		return result;
	}
	
	result = strcmp(a->first_name,b->first_name);
	if(result) {
		return result;
	}

	return a->age - b->age;	
}