Write a program to identify whether the given character is an alphabet, digit, whitespace or punctuation using simple if
                    #include < stdio.h>
                            int main()
                            {
                            char ch;
                            /* Input character from user */
                            printf("Enter any character: ");
                            scanf("%c", &ch);
                            /* Alphabet check */
                            if (isalpha(ch))
                            {
                            printf("'%c' is alphabet.", ch);
                            }
                            else if(isdigit(ch))
                            {
                            printf("'%c' is digit.", ch);
                            }
                            else if(ispunct(ch))
                            {
                            printf("'%c' is punctuation.", ch);
                            }
                            elseif(isspace(ch))
                            {
                            printf("This is a whitespace”);
                            }
                            else
                            {
                            printf("'Invalid Character”);
                            }
                            return 0;
                            }