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Diff for /src/usr.bin/talk/get_names.c between version 1.3 and 1.4

version 1.3, 1997/01/17 07:13:28 version 1.4, 1997/02/01 19:38:26
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         if (argc < 2 ) {          if (argc < 2 ) {
                 printf("Usage: talk user [ttyname]\n");                  printf("Usage: talk user [ttyname]\n");
                   printf("       talk user@hostname [ttyname]\n");
                 exit(-1);                  exit(-1);
         }          }
         if (!isatty(0)) {          if (!isatty(0)) {
                 printf("Standard input must be a tty, not a pipe or a file\n");                  printf("Standard input must be a tty, not a pipe or a file\n");
                 exit(-1);                  exit(-1);
         }          }
   
           if ('@' == argv[1][0]) {
                   printf("Usage: talk user [ttyname]\n");
                   printf("       talk user@hostname [ttyname]\n");
                   exit(-1);
           }
   
         if ((my_name = getlogin()) == NULL) {          if ((my_name = getlogin()) == NULL) {
                 struct passwd *pw;                  struct passwd *pw;
   
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Removed from v.1.3  
changed lines
  Added in v.1.4