20.Input an alphabet and check if it's a vowel.

//Program to input an alphabet and check if it's a vowel.
#include<stdio.h>
#include<conio.h>

void main()
{
    char ch;

    clrscr();

    printf("Enter an alphabet: ");
    scanf("%c", &ch);

    if(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u' || ch == 'A' || ch == 'E' || ch == 'I' || ch == 'O' || ch == 'U')
        printf("The alphabet %c is a vowel.", ch);
    else
        printf("The alphabet %c is not a vowel.", ch);

    getch();
}