// Tento soubor obsahuje funkci main. Provádění programu se tam zahajuje a ukončuje.
//

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#include <iostream>
#include <stdlib.h> 
#include <string.h>
#include "pch.h"
#include <stdio.h>

using namespace std;

typedef struct  {
	int id;
	char jmeno[64], adresa[256], telefon[32];

} tClovek;

tClovek zaznamy[] = { {0 , "James Bond", "Adresa", "Telefon"},
						{25, "Bob Jones","Addres","Phone" },
						{11, "Kutil tim","Holiwood","phoone 2"} };

int compareById(const void * a, const void * b)
{
	return (*(int*)a - *(int*)b);
}


int compareByName2(const void *p1, const void *p2)
{

	// return strcmp( ((tClovek*)p1)->jmeno, ((tClovek*)p2)->jmeno);
}

int compareByName(void *a, void *b)
{
	const struct tClovek *pa = (const tClovek *)a;
	const struct tClovek *pb = (const tClovek *)b;

	int diff = strcmp(pa->jmeno, pb->jmeno);

	if (diff == 0) {
		if (pa->jmeno < pb->jmeno)
			diff = -1;
		else if (pa->jmeno > pb->jmeno)
			diff = +1;
		else
			diff = 0;
	}

	return diff;
}


int main()
{
	
	int n;

	qsort(zaznamy, 3, sizeof(tClovek), compareById);
	for (n = 0; n < 3; n++)
		printf("%d .", zaznamy[n].id);


	qsort(zaznamy, 3, sizeof(tClovek), compareByName);

	for (n = 0; n < 3; n++)
		printf("%d jmeno:", zaznamy[n].jmeno);

	cout << "Hello World" << zaznamy[1].jmeno;

	return 0;
}