Character Classification in C


#include <stdio.h>
#include <ctype.h>

int main()
{
    char charIn;

    printf("Enter the character to be examined:\n");
    scanf("%c", &charIn);

    if (islower(charIn))
        printf("You have entered a lower case letter\n");
    else if (isupper(charIn))
        printf("You have entered an UPPER case letter\n");
    else if (isdigit(charIn))
        printf("You have entered a digit\n");
    else if (ispunct(charIn))
        printf("You have entered a Punctuation character\n");
    else if (isspace(charIn))
        printf("You have entered a Whitespace character\n");
    else
        printf("You have entered a control character\n");

    return 0;
}