commit 462e90cf4dde9a0e512749b735ea1441e27ed8c5
author Elliott Hughes <enh@google.com> Tue Aug 21 16:10:48 2018 -0700
committer Elliott Hughes <enh@google.com> Thu Aug 23 11:03:17 2018 -0700
tree 9b8f2f3a9430814c5670c319b8b1a8722b978aac
parent 3fd45bba4857fdbf320b6e89d2ae0569d9463bf5

Start documenting libc.

Bug: N/A
Test: N/A
Change-Id: I17345cb72a5ffc3af1688cf5874589cfb1e1fea0

libc/include/features.h

diff --git a/libc/include/features.h b/libc/include/features.h
index a279c7f..a915fe7 100644
--- a/libc/include/features.h
+++ b/libc/include/features.h
@@ -26,10 +26,11 @@
  * SUCH DAMAGE.
  */
 
-#ifndef _FEATURES_H_
-#define _FEATURES_H_
+#pragma once
 
-/* Our <features.h> macro fun is all in <sys/cdefs.h>. */
+/**
+ * @file features.h
+ * @brief Synonym for `<sys/cdefs.h>` for source compatibility with glibc.
+ */
+
 #include <sys/cdefs.h>
-
-#endif /* _FEATURES_H_ */