a) isspace()
b) isalnum()
c) iscntrl()
d) isblank()
Answer: a
Explanation: Character classification provides isspace() function to check whether a character in C++ is tab or space or whitespace control code(\n, \r, etc.).
Related Posts
What is the other name of the macro?
What will be the output of the following C++ code?
#include <iostream>
using namespace std;
#define MAX 10
int main()
{
int num;
num = ++MAX;
cout << num;
return 0;
}What will be the output of the following C++ code?
#include <iostream>
using namespace std;
#define PR(id) cout << “The value of ” #id ” is “<< id
int main()
{
int i = 10;
PR(i);
return 0;
}What will be the output of the following C++ code?
#include <iostream>
using namespace std;
#define SquareOf(x) x * x
int main()
{
int x;
cout << SquareOf(x + 4);
return 0;
}What is the mandatory preprocessor directive for c++?
How many types of macros are there in c++?
Which symbol is used to declare the preprocessor directives?
Join The Discussion