#include <stdio.h>
#include <stdlib.h>

void ll(FILE *f, char *name);
int rdline(FILE *f);

int
main(argc, argv)
int argc;
char **argv;
   {
   FILE *f;
   char *pname;

   pname = *argv;
   if (argc < 2) {
      ll(stdin, "");
      exit(0);
      }
   while (--argc) {
      if (**++argv == '-')
         f = stdin;
      else if ((f = fopen(*argv, "r")) == NULL) {
         fprintf(stderr, "%s: cannot open %s\n", pname, *argv);
         continue;
         }
      ll(f, *argv);
      fclose(f);
      }
   exit(0);
   }

void
ll(f, name)
FILE *f;
char *name;
   {
   register int min, max, len;

   if ((min = max = rdline(f)) == EOF) {
      printf("       (empty)\t%s\n", name);
      return;
      }
   while ((len = rdline(f)) != EOF) {
      if (len < min) min = len;
      if (len > max) max = len;
      }
   printf("%6d\t%6d\t%s\n", min, max, name);
   return;
   }

int
rdline(f)
FILE *f;
   {
   register int len;
   register char c;
   int dummy;

   len = 0;
   while ((dummy = getc(f)) != EOF) {
      if ((c = dummy) == '\n')
         return len;
      if (c == '\t')
         len = (len|07) + 1;
      else if (c == '\b')
         len--;
      else
         len++;
      }
   return EOF;
   }