Clarify O_LARGEFILE description.

diff --git a/man2/open.2 b/man2/open.2
index 8369ab4f9f3304019e150d25426c745bff198506..e36fcb6243eb55474b6350a36db76f7aa9162185 100644 (file)
--- a/man2/open.2
+++ b/man2/open.2
@@ -214,8 +214,10 @@ The
 macro must be defined in order to obtain this definition.
 Setting the 
 .B _FILE_OFFSET_BITS
-feature test macro to 64 is the preferred method of obtaining
-this functionality (see
+feature test macro to 64 (rather than using
+.BR O_LARGEFILE )
+is the preferred method of obtaining
+method of accessing large files on 32-bit systems (see
 .BR feature_test_macros (7)).
 .TP
 .B O_NOATIME