[newlib-cygwin] Cygwin: path.h: add comments to briefly explain path_types

[newlib-cygwin] Cygwin: path.h: add comments to briefly explain path_types

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=e9bc4cccefbdc989bafb4b6c58c8892eb07ce277

commit e9bc4cccefbdc989bafb4b6c58c8892eb07ce277
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Dec 2 15:57:39 2020 +0100

    Cygwin: path.h: add comments to briefly explain path_types
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/path.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/winsup/cygwin/path.h b/winsup/cygwin/path.h
index 0b3e72fc1..45a047ad3 100644
--- a/winsup/cygwin/path.h
+++ b/winsup/cygwin/path.h
@@ -66,11 +66,11 @@ enum path_types
 {
   PATH_CTTY		= _BIT ( 0),	/* could later be used as ctty */
   PATH_OPEN		= _BIT ( 1),	/* use open semantics */
-  PATH_LNK		= _BIT ( 2),
-  PATH_REP		= _BIT ( 3),
-  PATH_SYMLINK		= _BIT ( 4),
-  PATH_SOCKET		= _BIT ( 5),
-  PATH_RESOLVE_PROCFD	= _BIT ( 6),
+  PATH_LNK		= _BIT ( 2),	/* *.lnk-type symlink */
+  PATH_REP		= _BIT ( 3),	/* reparse point known to Cygwin */
+  PATH_SYMLINK		= _BIT ( 4),	/* symlink understood by Cygwin */
+  PATH_SOCKET		= _BIT ( 5),	/* AF_UNIX socket file */
+  PATH_RESOLVE_PROCFD	= _BIT ( 6),	/* fd symlink via /proc */
   PATH_DONT_USE		= _BIT (31)	/* conversion to signed happens. */
 };