C program to check whether a character is an alphabet or not

PROGRAM:

#include <stdio.h>

int main()

{

    char c;

    printf("Enter a character: ");

    scanf("%c",&c);

    if( (c>='a' && c<='z') || (c>='A' && c<='Z'))

        printf("%c is an alphabet.",c);

    else

        printf("%c is not an alphabet.",c);

    return 0;

}

OUTPUT:

Enter a character: *

* is not an alphabet