isgraph()

Prototype: int isgraph(int Char);
Header File: ctype.h (C) or cctype (C++)
Explanation: Checks whether the character is printable, and returns true if it is with the exception of the space, which it will return false for.

Example:

//Example inputs a character
//Example checks if character can be printed
#include <cctype>
#include <iostream>

using namespace std;

int main()
{
    char x;
    cout<<"Enter any character: ";
    cin>>x;
    if(isgraph(x)
    {
        cout<<x;
    }
    else
    {
        cout<<"Sorry, could not print character";
    }
}

Other Functions