Check Alphabet,Digit,Special character

#include<stdio.h>
int main()
{
    char ch;
    printf("Enter any character");
    scanf("%c",&ch);
    if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z'))
    {
        printf("%c is alphabet",ch);
    }
    else if(ch>='0'&&ch<='9')
    {
        printf("%c is digit",ch);
    }
    else
    {
        printf("%c is special character",ch);
    }
    //main();
    return 0;
}