/*
Nome: Mario
Cognome: Montanari

strcat()
*/

#include <iostream>
#include <cstring>

#define SIZE 100+1

using namespace std;

char *strcat(char *src1, const char *src2);

int main(void) {
	char src1[SIZE];
	char src2[] = "@studenti.itisravenna.it";
	char *ptr;
	
	cout << "Inserisci il nome utente della tua email scolastica: ";
	cin >> src1;
	
	ptr = strcat(src1, src2);
	
	cout << "Email scolastica: " << ptr << endl;
	
	return 0;
}

char *strcat(char *src1, const char *src2) {
	int i;
	int len = strlen(src1);
	
	for (i = 0; src2[i] != '\0'; i++) {
		src1[len + i] = src2[i];
	}
	
	src1[len + i] = '\0';
	
	return src1;
}