[newlib-cygwin] Cygwin: Drop export aliases and masking macros for stdio64 functions

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9f6057d203d1a8da57f332c63db778680d9b4315

commit 9f6057d203d1a8da57f332c63db778680d9b4315
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Thu Aug 4 17:30:48 2022 +0200

    Cygwin: Drop export aliases and masking macros for stdio64 functions
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/syscalls.cc | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index e6d68cc07..2c2bc4142 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -14,9 +14,6 @@ details. */
 #define _open __FOO_open__
 #define _read __FOO_read__
 #define _write __FOO_write__
-#define _open64 __FOO_open64__
-#define _lseek64 __FOO_lseek64__
-#define _fstat64 __FOO_fstat64__
 #define pread __FOO_pread
 #define pwrite __FOO_pwrite
 
@@ -70,9 +67,6 @@ details. */
 #undef _open
 #undef _read
 #undef _write
-#undef _open64
-#undef _lseek64
-#undef _fstat64
 
 static int mknod_worker (path_conv &, mode_t, _major_t, _minor_t);
 
@@ -1596,7 +1590,6 @@ open (const char *unix_path, int flags, ...)
 }
 
 EXPORT_ALIAS (open, _open )
-EXPORT_ALIAS (open, _open64 )
 
 extern "C" off_t
 lseek (int fd, off_t pos, int dir)
@@ -1624,7 +1617,6 @@ lseek (int fd, off_t pos, int dir)
   return res;
 }
 
-EXPORT_ALIAS (lseek, _lseek64)
 EXPORT_ALIAS (lseek, _lseek)
 
 extern "C" int
@@ -1904,8 +1896,6 @@ _fstat_r (struct _reent *ptr, int fd, struct stat *buf)
   return ret;
 }
 
-EXPORT_ALIAS (_fstat_r, _fstat64_r)
-
 /* fsync: P96 6.6.1.1 */
 extern "C" int
 fsync (int fd)
@@ -2055,8 +2045,6 @@ _stat_r (struct _reent *__restrict ptr, const char *__restrict name,
   return ret;
 }
 
-EXPORT_ALIAS (_stat_r, _stat64_r)
-
 /* lstat: Provided by SVR4 and 4.3+BSD, POSIX? */
 extern "C" int
 lstat (const char *__restrict name, struct stat *__restrict buf)