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path: root/tests/lines.c
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-rw-r--r--tests/lines.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/lines.c b/tests/lines.c
index 106491f..f7f8443 100644
--- a/tests/lines.c
+++ b/tests/lines.c
@@ -1,3 +1,19 @@
+/* This file is part of GNU Pies testsuite.
+ Copyright (C) 2019 Sergey Poznyakoff
+
+ GNU Pies is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GNU Pies is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Pies. If not, see <http://www.gnu.org/licenses/>. */
+
#include <stdio.h>
int
@@ -11,6 +27,7 @@ main (int argc, char **argv)
if (argc != 2)
{
fprintf (stderr, "usage: %s FILE\n", progname);
+ fprintf (stderr, "Prints number of lines in FILE.\n");
return 1;
}

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