1 . PROGRAM TO IDENTIFY VOWELS AND CONSONANTS GIVEN AS INPUT
Algorithm:-
begin
if a,e,I,o,u or A,E,I,O,U
then
printf “It is a vowel”
else
printf “It is a consonant”
end
1.LEX program to count number of vowels and consonants in a given input string
%%
[aeiouAEIOU] {printf(“it is vowel”);}
[a-zA-Z] {printf(“it is consonant”);}
%%
main()
{
yylex();
}
int yywrap()
{
return 1;
}
Output:
$./a.out
a
it is a vowel
g
it is a consonant
