Functia STRNCAT !

#include <iostream>
#include<string.h>
using namespace std;
int main()
{
 char s1[100],s2[100];
cout<<"tasteaza o fraza: ";
cin.get(s1,100);
cin.get();
cout<<"tasteaza o alta fraza : ";
cin.get(s2,100);
cin.get();
strncat(s1,s2,5);
cout<<s1;
 return 0;
}