sbin/mount_portal/examples/fing.c

   1 #include <err.h>
   2 #include <stdio.h>
   3
   4 int
   5 main(argc, argv)
   6         int     argc;
   7         char  **argv;
   8 {
   9         FILE   *fp;
  10         char   *fingerpath = "portal/tcp/localhost/finger";
  11         char   *name = "";
  12 #define FING_BUFSIZE    16384
  13         char    buff[FING_BUFSIZE];
  14         int     n;
  15
  16         if (argc > 2)
  17                 errx(1, "Error:  usage:  %s [name]", argv[0]);
  18         fp = fopen(fingerpath, "r+");
  19         if (!fp)
  20                 err(1, "open of %s", fingerpath);
  21         if (argv[1])
  22                 name = argv[1];
  23         fprintf(fp, "%s\n", name);
  24         n = fread(buff, (size_t) 1, FING_BUFSIZE, fp);
  25         fwrite(buff, (size_t) 1, n, stdout);
  26         return 0;
  27 }