(main): Close STDIN_FILENO rather than a literal `0'.

6 files changed, 7 insertions, 7 deletions

diff --git a/src/cat.c b/src/cat.c
index eb3cd5a4d..72ec1e62c 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -832,7 +832,7 @@ main (int argc, char **argv)
     }
   while (++argind < argc);
 
-  if (have_read_stdin && close (0) < 0)
+  if (have_read_stdin && close (STDIN_FILENO) < 0)
     error (EXIT_FAILURE, errno, "-");
 
   exit (exit_status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
diff --git a/src/tac.c b/src/tac.c
index b0da18ff4..69ec56f8b 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -710,7 +710,7 @@ main (int argc, char **argv)
   /* Flush the output buffer. */
   output ((char *) NULL, (char *) NULL);
 
-  if (have_read_stdin && close (0) < 0)
+  if (have_read_stdin && close (STDIN_FILENO) < 0)
     error (EXIT_FAILURE, errno, "-");
   exit (errors == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }
diff --git a/src/tail.c b/src/tail.c
index c6203b1b9..773f32c71 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -1654,7 +1654,7 @@ main (int argc, char **argv)
       tail_forever (F, n_files);
     }
 
-  if (have_read_stdin && close (0) < 0)
+  if (have_read_stdin && close (STDIN_FILENO) < 0)
     error (EXIT_FAILURE, errno, "-");
   exit (exit_status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
 }
diff --git a/src/tee.c b/src/tee.c
index c71797a47..6fdd5f7e6 100644
--- a/src/tee.c
+++ b/src/tee.c
@@ -1,5 +1,5 @@
 /* tee - read from standard input and write to standard output and files.
-   Copyright (C) 85,1990-2001 Free Software Foundation, Inc.
+   Copyright (C) 85,1990-2002 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -147,7 +147,7 @@ main (int argc, char **argv)
      POSIX requires that it work when given no arguments.  */
 
   errs = tee (argc - optind, (const char **) &argv[optind]);
-  if (close (0) != 0)
+  if (close (STDIN_FILENO) != 0)
     error (1, errno, _("standard input"));
 
   exit (errs);
diff --git a/src/tr.c b/src/tr.c
index e931990ce..61386746f 100644
--- a/src/tr.c
+++ b/src/tr.c
@@ -2024,7 +2024,7 @@ construct in string1 must be aligned with a corresponding construct\n\
 	}
     }
 
-  if (close (0) != 0)
+  if (close (STDIN_FILENO) != 0)
     error (EXIT_FAILURE, errno, _("standard input"));
 
   exit (EXIT_SUCCESS);
diff --git a/src/wc.c b/src/wc.c
index 062a7dd05..2ecb3be24 100644
--- a/src/wc.c
+++ b/src/wc.c
@@ -589,7 +589,7 @@ main (int argc, char **argv)
 		      max_line_length, _("total"));
     }
 
-  if (have_read_stdin && close (0))
+  if (have_read_stdin && close (STDIN_FILENO) != 0)
     error (EXIT_FAILURE, errno, "-");
 
   exit (exit_status == 0 ? EXIT_SUCCESS : EXIT_FAILURE);