%{
#include <stdio.h>
#include <string.h>
int codecount = 0;
int commcount = 0;
int blankcount = 0;
int linecount = 0;
int comments = 0;
int code = 0;
%}
%option noyywrap
%option main
%x COMMENT
%%

"/*"                    { BEGIN COMMENT;
                          comments = 1;
                        }
"*/"                    /* zählt nicht! */
[^[:space:]]            code = 1;
\n                      { linecount++;
                          if (comments) {commcount++;}
                          if (code) {codecount++;}
                          if (!comments && !code) {blankcount++;}
                          comments = 0;
                          code = 0;
                        }
.                       /* nix */

<COMMENT>{
"*/"                    BEGIN INITIAL;
\n                      { linecount++;
                          commcount++;
                          if (code) {codecount++;}
                          code = 0;
                        }
.                       /* nix */
}

<<EOF>>                 { printf("%d Zeilen insgesamt, davon\n%d Zeilen mit Code,\n%d Zeilen mit Kommentaren, und\n%d Leerzeilen.\n", linecount, codecount, commcount, blankcount);
                          exit(0);
                        }