/**************************************************************
*   How to run this program:				      *
*     flex example.l					      *
*     gcc lex.yy.c -lfl					      *
*     a.out < example.l					      *
**************************************************************/


%{
	#include <stdio.h>
	int num_lines = 0, num_chars = 0;
%}

%%
\n      ++num_lines; ++num_chars;
.       ++num_chars;

%%
main()
{
        yylex();
 	printf( "# of lines = %d, # of chars = %d \n",num_lines, num_chars );
}