how to check the datatype of a variable in c 2b 2b

1#include <typeinfo>
2...
3cout << typeid(variable).name() << endl;

1#include <typeinfo>
2#include <iostream>
3
4class someClass { };
5
6int main(int argc, char* argv[]) {
7    int a;
8    someClass b;
9    std::cout<<"a is of type: "<<typeid(a).name()<<std::endl; 
10  	// Output 'a is of type int'
11    std::cout<<"b is of type: "<<typeid(b).name()<<std::endl; 
12  	// Output 'b is of type someClass'
13    return 0;
14  	// on the online compiler it comes as 'i' for int and 'c' for char
15}

1int k;
2cout << typeid(k).name() << endl;