%option noyywrap

DIG     [0-9]
ID      [a-z][a-z0-9]*

%%

{DIG}+			printf("Integer\n");
{DIG}+"."{DIG}* 	printf("Float\n");
{ID}              	printf("Identifier\n");
[ \t\n]+            	/* skip whitespace */
.                   	printf("Huh?\n");

%%

int main() {
   yylex();
   return 0 ;
}