cctypes.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 23 行

#include <iostream>
#include <cctype>
using namespace std;

int main()
{
    cout << "Please type a character: ";
    char character;

    cin >> character;

    if(isalpha(character))          
        cout << "That character is alphanumeric." << endl;
    else if(isdigit(character))     
        cout << "That character is a digit." << endl;
    else if(isspace(character))     
        cout << "That character is a space." << endl;
    else if(ispunct(character))     
        cout << "That character is a punctuation character." << endl;
					
    return 0;
}