/* Program# 20
date : 25-12-2008
Vowel or Not
*/
#include <stdio.h>
main(){
char a;
printf("\nEnter a character :");
scanf("%c",&a);
if(a=='a' ||a=='e'||a=='i'||a=='o'||a=='u')
printf("\n %c: Vowel",a);
else
printf("\n %c: Not a vowel",a);
}
output: Enter a character : p p: Not a vowel
Things to note: 1.The single alphabet enclosed in inverted commas is called as character constant.
2.The maximum length is only one character.