Input
Output
#include <stdio.h> #include <conio.h> void main() { char ch; clrscr(); printf("Enter a character: "); scanf("%c", &ch); if (ch == 'a' || ch == 'A' || ch == 'e' || ch == 'E' || ch == 'i' || ch == 'I' || ch =='o' || ch=='O' || ch == 'u' || ch == 'U') { printf("%c is a vowel.", ch); } else { printf("%c isn't a vowel.", ch); } getch(); }