To check whether the given number is alphabet or digit or special character

 Program:

#include<stdio.h>

#include<conio.h>

void main()

{

    char ch;

    clrscr();

    printf("Enter any Character : ");

    scanf("%c", &ch);

    if((ch>=65 && ch<=90) || (ch>=97 && ch<=122))

        printf("Given Character is a Alphabet");

    else if(ch>='0' && ch<='9')

        printf("Given Character is a Digit ");

    else

        printf("Given character is a Special Character");

    getch();

}

Output:

Ex-1:

Enter any Character : a

Given Character is a Alphabet

Ex-2:

Enter any Character : A

Given Character is a Alphabet

Ex-3:

Enter any Character : 1

Given Character is a Digit

Ex-4:

Enter any Character : @

Given Character is a Special Character

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