Check input character: whether it is alphabet or number or special character

#include <stdio.h>
#include <conio.h>
int main()

{
    char x;
    printf("\npress any key\n");
    x=getche();
    if(x>='a' && x<='z' || x>='A' && x<='Z')
        printf("\n%c is alphabet",x);
    else if(x>='0' && x<'9')
        printf("\n%c is number",x);
    else
        printf("\n%c is special character",x);

    return 0;
}