X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/8c69934299322c189e72259c2b31545c94697ea8..c576ad2674c37a1c63f004c71049998f38854c64:/sbr/read_line.c

diff --git a/sbr/read_line.c b/sbr/read_line.c
index c9167ab5..a6367de4 100644
--- a/sbr/read_line.c
+++ b/sbr/read_line.c
@@ -1,6 +1,19 @@
+/* read_line.c -- read a possibly incomplete line from stdin.
+ *
+ * This code is Copyright (c) 2017, by the authors of nmh.  See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
+ */
+
 #include <h/mh.h>
 #include <h/utils.h>
+#include "read_line.h"
 
+/*
+ * Flush standard output, read a line from standard input into a static buffer,
+ * zero out the newline, and return a pointer to the buffer.
+ * On error, return NULL.
+ */
 const char *
 read_line(void)
 {