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diff --git a/aarch64-none-linux-gnu/libc/usr/include/sys/file.h b/aarch64-none-linux-gnu/libc/usr/include/sys/file.h
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+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_FILE_H
+#define _SYS_FILE_H 1
+
+#include <features.h>
+
+#ifndef _FCNTL_H
+# include <fcntl.h>
+#endif
+
+__BEGIN_DECLS
+
+
+/* Alternate names for values for the WHENCE argument to `lseek'.
+ These are the same as SEEK_SET, SEEK_CUR, and SEEK_END, respectively. */
+#ifndef L_SET
+# define L_SET 0 /* Seek from beginning of file. */
+# define L_INCR 1 /* Seek from current position. */
+# define L_XTND 2 /* Seek from end of file. */
+#endif
+
+
+/* Operations for the `flock' call. */
+#define LOCK_SH 1 /* Shared lock. */
+#define LOCK_EX 2 /* Exclusive lock. */
+#define LOCK_UN 8 /* Unlock. */
+
+/* Can be OR'd in to one of the above. */
+#define LOCK_NB 4 /* Don't block when locking. */
+
+
+/* Apply or remove an advisory lock, according to OPERATION,
+ on the file FD refers to. */
+extern int flock (int __fd, int __operation) __THROW;
+
+
+__END_DECLS
+
+#endif /* sys/file.h */