%{

#include "lab9.tab.h"

#define ENDFILE 0

int yywrap(void) { return 1; }

%}

letter          [a-zA-Z]
alpha		[a-zA-Z0-9_]
white		[ \t\n]
other		.

%%

<<EOF>>			   { /* End-of-file */      return ENDFILE; }

{white}+		   { /* white space */ }

{letter}{alpha}*	   { /* identifier */       return ID; }

{other}			   { /* other character */  return yytext[0]; }

%%