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-rw-r--r--doc/posix-functions/fopen.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/posix-functions/fopen.texi b/doc/posix-functions/fopen.texi
index fee872601e..eb6744e323 100644
--- a/doc/posix-functions/fopen.texi
+++ b/doc/posix-functions/fopen.texi
@@ -15,7 +15,7 @@ directory, on some platforms:
HP-UX 11.00, AIX 7.1, Solaris 9.
@item
On platforms where @code{off_t} is a 32-bit type, @code{fopen} may not work
-correctly with files larger than 2 GB@. (Cf. @code{AC_SYS_LARGEFILE}.)
+correctly with files 2 GiB and larger. @xref{Large File Support}.
@item
On Windows platforms (excluding Cygwin), this function does usually not
recognize the @file{/dev/null} filename.