Add some documentation comments

1 files changed, 7 insertions, 0 deletions

diff --git a/posix1e.h b/posix1e.h
index 8950498..d3d74ff 100644
--- a/posix1e.h
+++ b/posix1e.h
@@ -14,6 +14,13 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           *
  ****************************************************************************/
 
+/**
+ * The withdrawn POSIX.1e standard specified a security API for POSIX systems.
+ * Although it was never ratified, many of its interfaces are widely deployed
+ * in Unix-like systems.  These functions wrap the POSIX.1e APIs if present,
+ * to support things like Access Control Lists and Capabilities.
+ */
+
 #ifndef BFS_POSIX1E_H
 #define BFS_POSIX1E_H