CPP

convert whole string to lowercase c++

#include<bits/stdc++.h> 
using namespace std; 
main() { 
    string s = "Viet Nam"; 
    transform(s.begin(), s.end(), s.begin(), ::tolower); //lowercase
    cout << s << endl; 
}

how to convert string into lowercase in cpp

  // sl is the string which is converted to lowercase 
    string sl = "Jatin Goyal"; 
  
    // using transform() function and ::tolower in STL 
    transform(sl.begin(), sl.end(), sl.begin(), ::tolower); 

tolower funciton in cpp

transform(s.begin(), s.end(), s.begin(), ::tolower); 

to lowercase c++

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

int main() {

  // convert 'A' to lowercase
  char ch = tolower('A');

  cout << ch;

  return 0;
}

// Output: a