Number of vowels and consonants using LEX Tool

%{
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int lc=0,vc=0,cc=0;
%}

%%
[ \t] ;
[0-9] ;
[aeiouAEIOU] {lc++;vc++;}
[a-zA-Z] {lc++;cc++;}
%%

int yywrap()
{
	return 1;
}

void main ()
{
	printf("Enter the string for analysis.\n");
	yylex();
	printf("The vowel count is %d\n",vc);
	printf("The consonent count is %d\n",cc);
	printf("Total letter count is %d\n",lc);
}