%{
#include <stdio.h>	
%}

%%
"//".* {fprintf(yyout, "/*%s*/", yytext + 2);}
(.|\n) {fprintf(yyout, "%s", yytext);}
%%

main()
{
	yyin = fopen("tmp.c", "r");
	yyout = fopen("aaa.c", "w");
	yylex();
	fclose(yyin);
	fclose(yyout);
}

yywrap()
{
	return 1;
}