C++ String c_str() function

C++ String c_str() function tutorial for beginners and professionals with examples on constructor, if-else, switch, break, continue, comments, arrays, object and class, exception, static, structs, inheritance, aggregation etc.

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C++ String c_str()

This function returns a pointer to an array that contains null terminated sequence of characters.

Syntax

Consider a string str. Syntax would be:

str.c_str();

Parameter

It does not contain any parameter.

Return value

It returns a pointer to the c-string representation of the string object's value.

Example

Let's see the simple example.

#include<iostream>
#include<cstring>
#include<string>
using namespace std;
int main()
{
 string str="Computer is my favorite subject";
 char* ch=new char[str.length()+1];
 strcpy(ch,str.c_str());
 cout<<"String value is :"<<ch;
return 0;
}

Output:

String value is: Computer is my favorite subject

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