1 %option 8bit noyywrap 2 %% 3 .|\n { ECHO; 4 //' " 5 } 6 %% 7 int 8 main (void) 9 { 10 yyin = stdin; 11 yyout = stdout; 12 while (yylex()) 13 ; 14 printf("TEST RETURNING OK.\n"); 15 return 0; 16 } 17