Check out example codes for "c++ convert int to cstring". It will help you in understanding the concepts better.

Code Example 1

#include<isotream>
#include<string>
using namespace std;

string str = to_string(int);
char cstr[size] = "";
strcat_s( cstr, str.c_str());

Code Example 2

#include<isotream>
#include<string>

string str = to_string(int);
char cstr[size] = "";
strcat_s( cstr, str.c_str());

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