AN IMPLEMENTATION TO CHECK WEITHER AN ALPHABET IS VOWEL OR NOT

/*AN IMPLEMENTATION TO CHECK WEITHER  AN ALPHABET IS VOWEL OR NOT..*/

#include<stdio.h>

int main()

{

char ch;

printf("ENTER THE CHARACTR\n");

scanf("%c",&ch);//all the dealing with ascii values takes place//

if(ch<='A' && ch>='Z')//1st check if letter is lower or upper case ..if it is lowercase letter..then ok..but if it is in the uppper case...then make ascii value of that capital letter to ascii value of small letter...so that vowelness could be check for both capital & small leter//

ch=ch+'a'-'A';//ch=ch+32...will make 'A' TO 'a'...means IT WILL MAKE CAPITAL LETTER TO SMALL..BY VARYING ASCII VALUE...

//SUPPPOSE ASCII VALUE OF a=97 & ascii value of CAPITAL A =65 SO ...97-65=32....FOR B&b ..98-66=32...SO ON

if(ch=='a' || ch=='e' || ch=='o' || ch=='u')//NOW CHECK IF NO. IS VOWEL || MEANS IF ANY ONE OF THE CONDITION IS TRUE...STATEMENT WILL BE PRINTED

printf("character is vowel\n");

else

printf("character is not vowel\n");

return 0;

}