#include “iostream” const int ArSize = 80; char *left(const char *str, int n = 1); int main() { using namespace std; char sample[ArSize]; cout << “Enter a string:\n”; cin.get(sample, ArSize); char *ps = left(sample, 4); cout << ps << endl; delete [] ps;
ps = left(sample); cout << ps << endl; delete [] ps; cin.get(); cin.get(); return 0;}
char *left(const char *str, int n) { if (n < 0) n = 0; char *p = new char[n+1]; int i; for(i =0;i<n && str[i];i++) p[i] = str[i]; while(i <= n) p[i++] = ‘\0’;
return p;}
