#include <iostream>
#include <cstring>
using namespace std;

int main()
{
  char *s1 = "Jim";
  char s2[6] = { 'P', 'l', 'a', 'n', 'k', '\0' };
  char s3[4];
  const char *s4;
  string string4 = "Mayo";

  s3[0] = 'M';
  s3[1] = 's';
  s3[2] = '.';
  s3[3] = '\0';

  s4 = string4.c_str();

  cout << "The four strings: " << s1 << ", ";
  cout << s2 << ", " << s3 << ", " << s4 << endl;

  cout << endl;
  cout << "Strlen(s1) = " << strlen(s1);
  cout << ".  Strlen(s2) = " << strlen(s2);
  cout << ".  Strlen(s3) = " << strlen(s3);
  cout << ".  Strlen(s4) = " << strlen(s4) << "." << endl;

  cout << endl;
  cout << "Strcmp(s1, \"Jim\") = " << strcmp(s1, "Jim") << endl;
  cout << "Strcmp(s1, \"Fred\") = " << strcmp(s1, "Fred") << endl;
  cout << "Strcmp(s1, \"Plank\") = " << strcmp(s1, "Plank") << endl;
  cout << "Strcmp(s1, \" Jim\") = " << strcmp(s1, " Jim") << endl;
  cout << "Strcmp(s1, \"jim\") = " << strcmp(s1, "jim") << endl;
  cout << "Strcmp(s1, \"Jix\") = " << strcmp(s1, "Jix") << endl;

  return 0;
}