C++ char it is a number

C++ check if char is number

char c = '1';
bool result = isdigit(c);
cout << result << endl; //1

C++ char it is a number

#include<ctype.h>
--------
char c = '1';
bool result = isdigit(c);
if(result)
	cout << "Yes, it is digit" << endl;
else
	cout << "No, it is't digit" << endl;

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