4

#include<stdio.h>
int main()
{
    char ch;
    printf("Enter A character:");
    scanf(" %c",&ch);
    if((ch>='a'&&ch<='z')||(ch>='A'&&ch<='Z')){
        printf("%c is Alphabet\n",ch);
    }
    else if(ch>='1'&&ch<='9')
    {
        printf("%c is Digit\n",ch);

    }
    else
        printf("%c is Special Character\n",ch);
        main();
    return 0;
}