Write a LEX program to count number of vowels from all inputted symbols.

               Code :

%{           

     int count_v;

%}

%%

[aeiouAEIOU]           {count_v++;}

%%

main()

{

     yylex();

     printf("Count of vowels= %d\n",count_v);

}

int yywrap()

{

     return 1;

}