E1.Input a char & check if its uppercase,lowercase or digit.

//Program to input a character and check if it's upper case, lower case or a digit.
#include<stdio.h>
#include<conio.h>
#include<ctype.h>

void main()
{
    char ch;

    clrscr();

    printf("Enter a character: ");
    scanf("%c", &ch);

    if(isupper(ch))
        printf("The character %c is upper case.", ch);
    else if(isdigit(ch))
        printf("The character %c is a digit.", ch);
    else if(islower(ch))
        printf("The character %c is lower case.", ch);

    getch();
}