/*        Remove comments from C or C++ program            */
            /*============= 1. The definitions section ================*/
%{
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
%}

%s CCOMM CPPCOMM
%%
            /*============= 2. The rules (regular expressions) section ======*/

<INITIAL>"//"       { BEGIN(CPPCOMM); }
<INITIAL>.|\n       { ECHO; }

<CPPCOMM>.          { }
<CPPCOMM>"\n"       { BEGIN(INITIAL); printf("\n"); }

<INITIAL>"/*"       { BEGIN(CCOMM); }
<CCOMM>.|\n         { }
<CCOMM>"*/"         { BEGIN(INITIAL); }

%%
            /*============= The user programs section ===================*/

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

int yywrap() { return 1; }      /* Stop at end of file */