How to Convert String to Char Array in C++?

The C++ string data type is usually used to store a string, while the Char array is used to hold an array of characters. What if we want to convert a C++ string to a Char array and perform operations on it? You can use the c_str() function or StringImpl class to do so. After that, you need to assign the array to a pointer variable. Then you can perform additional operations with this variable.

string to char array c++

Splendid Sloth on Aug 27, 2020

std::string myWord = "myWord";
char myArray[myWord.size()+1];//as 1 char space for null is also required
strcpy(myArray, myWord.c_str());

Source: stackoverflow.com

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convert string to char c++

Wololegend on Dec 08, 2020

// "std::string" has a method called "c_str()" that returns a "const char*"
// pointer to its inner memory. You can copy that "const char*" to a variable
// using "strcpy()".

std::string str = "Hello World";
char buffer[50];

strcpy(buffer, str.c_str());

std::cout << buffer;	//Output: Hello World

//POSTED BY eferion ON STACK OVERFLOW (IN SPANISH).

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COnvert string to char * C++

Disgusted Dingo on May 08, 2020

// CPP program to convert string 
// to char array 
#include <bits/stdc++.h> 
  
using namespace std; 
  
// driver code 
int main() 
{ 
    // assigning value to string s 
    string s = "geeksforgeeks"; 
  
    int n = s.length(); 
  
    // declaring character array 
    char char_array[n + 1]; 
  
    // copying the contents of the 
    // string to char array 
    strcpy(char_array, s.c_str()); 
  
    for (int i = 0; i < n; i++) 
        cout << char_array[i]; 
  
    return 0; 
}

Source: tutorialspoint.dev

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A Char array is the memory that stores a fixed-size array of characters. The function that converts a string to char array in C++ should be strcpy(), and you can use it by copying string contents into the array.

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How to Convert String to Char Array in C++?

string to char array c++

convert string to char c++

COnvert string to char * C++

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