strcmp compare two strings c++ code example

Example 1: strcmp c++

#include<stdio.h> 
#include<string.h> 


int main() 
{  
      
    char char1[] = "coucou"; 
    char char2[] = "coucou"; 
      
  	if( strcmp(char1, char2) == 0 )
       printf("Strings are the same");
  
  	else
      prinf("Strings are differentes");
  
  
    return 0; 
}

Example 2: how to compare strings in c++

// comparing apples with apples
#include <iostream>
#include <string>

int main ()
{
  std::string str1 ("green apple");
  std::string str2 ("red apple");

  if (str1.compare(str2) != 0)
    std::cout << str1 << " is not " << str2 << '\n';

  if (str1.compare(6,5,"apple") == 0)
    std::cout << "still, " << str1 << " is an apple\n";

  if (str2.compare(str2.size()-5,5,"apple") == 0)
    std::cout << "and " << str2 << " is also an apple\n";

  if (str1.compare(6,5,str2,4,5) == 0)
    std::cout << "therefore, both are apples\n";

  return 0;
}

Example 3: strcmp c library

#include <string.h>

Example 4: compare string c++

int compare (const string& str) const;