#ifndef _FCNTL_H
#define _FCNTL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <features.h>
#include <sys/types.h>
struct flock {
short l_type;
short l_whence;
off_t l_start;
off_t l_len;
pid_t l_pid;
};
int open(const char *, int, ...);
int openat(int, const char *, int, ...);
int creat(const char *, mode_t);
int fcntl(int, int, ...);
int posix_fadvise(int, off_t, off_t, int);
int posix_fallocate(int, off_t, off_t);
ssize_t readahead(int, off_t, size_t);
#define O_CREAT 0100
#define O_EXCL 0200
#define O_NOCTTY 0400
#define O_TRUNC 01000
#define O_APPEND 02000
#define O_NONBLOCK 04000
#define O_DSYNC 010000
#define O_SYNC 04010000
#define O_RSYNC 04010000
#define O_CLOEXEC 02000000
#define O_ASYNC 020000
#define O_NOATIME 01000000
#define O_PATH 010000000
#if defined(__aarch64__)
#define O_DIRECTORY 040000
#define O_NOFOLLOW 0100000
#define O_DIRECT 0200000
#define O_LARGEFILE 0400000
#define O_TMPFILE 020040000
#else
#define O_DIRECTORY 0200000
#define O_NOFOLLOW 0400000
#define O_DIRECT 040000
#define O_LARGEFILE 0100000
#define O_TMPFILE 020200000
#endif
#define O_NDELAY O_NONBLOCK
#define O_SEARCH O_PATH
#define O_EXEC O_PATH
#define O_TTY_INIT 0
#define O_ACCMODE (03|O_SEARCH)
#define O_RDONLY 00
#define O_WRONLY 01
#define O_RDWR 02
#define F_DUPFD 0
#define F_GETFD 1
#define F_SETFD 2
#define F_GETFL 3
#define F_SETFL 4
#define F_GETLK 5
#define F_SETLK 6
#define F_SETLKW 7
#define F_SETOWN 8
#define F_GETOWN 9
#define F_SETSIG 10
#define F_GETSIG 11
#define F_DUPFD_CLOEXEC 1030
#define F_GETLK64 5
#define F_SETLK64 6
#define F_SETLKW64 7
#define FD_CLOEXEC 1
#define F_RDLCK 0
#define F_WRLCK 1
#define F_UNLCK 2
#define AT_FDCWD (-100)
#define AT_SYMLINK_NOFOLLOW 0x100
#define AT_REMOVEDIR 0x200
#define AT_SYMLINK_FOLLOW 0x400
#define AT_EACCESS 0x200
#define POSIX_FADV_NORMAL 0
#define POSIX_FADV_RANDOM 1
#define POSIX_FADV_SEQUENTIAL 2
#define POSIX_FADV_WILLNEED 3
#define POSIX_FADV_DONTNEED 4
#define POSIX_FADV_NOREUSE 5
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define SEEK_DATA 3
#define SEEK_HOLE 4
#ifndef S_IRUSR
#define S_ISUID 04000
#define S_ISGID 02000
#define S_ISVTX 01000
#define S_IRUSR 0400
#define S_IWUSR 0200
#define S_IXUSR 0100
#define S_IRWXU 0700
#define S_IRGRP 0040
#define S_IWGRP 0020
#define S_IXGRP 0010
#define S_IRWXG 0070
#define S_IROTH 0004
#define S_IWOTH 0002
#define S_IXOTH 0001
#define S_IRWXO 0007
#endif
#define F_ULOCK 0
#define F_LOCK 1
#define F_TLOCK 2
#define F_TEST 3
int lockf(int, int, off_t);
#if defined(_GNU_SOURCE)
#define SYNC_FILE_RANGE_WAIT_BEFORE 1
#define SYNC_FILE_RANGE_WRITE 2
#define SYNC_FILE_RANGE_WAIT_AFTER 4
int sync_file_range(int, off_t, off_t, unsigned);
#endif
#ifdef __cplusplus
}
#endif
#define AT_EMPTY_PATH 0x1000
#define AT_NO_AUTOMOUNT 0x800
#define AT_RECURSIVE 0x8000
#define AT_STATX_DONT_SYNC 0x4000
#define AT_STATX_FORCE_SYNC 0x2000
#define AT_STATX_SYNC_AS_STAT 0x0000
#define AT_STATX_SYNC_TYPE 0x6000
#define DN_ACCESS 0x00000001
#define DN_ATTRIB 0x00000020
#define DN_CREATE 0x00000004
#define DN_DELETE 0x00000008
#define DN_MODIFY 0x00000002
#define DN_MULTISHOT 0x80000000
#define DN_RENAME 0x00000010
#define FALLOC_FL_KEEP_SIZE 1
#define FALLOC_FL_PUNCH_HOLE 2
#define FAPPEND O_APPEND
#define FASYNC O_ASYNC
#define FFSYNC O_SYNC
#define FNDELAY O_NDELAY
#define FNONBLOCK O_NONBLOCK
#define F_ADD_SEALS 1033
#define F_CANCELLK 1029
#define F_GETLEASE 1025
#define F_GETOWNER_UIDS 17
#define F_GETOWN_EX 16
#define F_GETPIPE_SZ 1032
#define F_GET_FILE_RW_HINT 1037
#define F_GET_RW_HINT 1035
#define F_GET_SEALS 1034
#define F_NOTIFY 1026
#define F_OFD_GETLK 36
#define F_OFD_SETLK 37
#define F_OFD_SETLKW 38
#define F_OWNER_GID 2
#define F_OWNER_PGRP 2
#define F_OWNER_PID 1
#define F_OWNER_TID 0
#define F_SEAL_FUTURE_WRITE 0x0010
#define F_SEAL_GROW 0x0004
#define F_SEAL_SEAL 0x0001
#define F_SEAL_SHRINK 0x0002
#define F_SEAL_WRITE 0x0008
#define F_SETLEASE 1024
#define F_SETOWN_EX 15
#define F_SETPIPE_SZ 1031
#define F_SET_FILE_RW_HINT 1038
#define F_SET_RW_HINT 1036
#define MAX_HANDLE_SZ 128
#define RWF_WRITE_LIFE_NOT_SET 0
#define RWH_WRITE_LIFE_EXTREME 5
#define RWH_WRITE_LIFE_LONG 4
#define RWH_WRITE_LIFE_MEDIUM 3
#define RWH_WRITE_LIFE_NONE 1
#define RWH_WRITE_LIFE_SHORT 2
#define SPLICE_F_GIFT 8
#define SPLICE_F_MORE 4
#define SPLICE_F_MOVE 1
#define SPLICE_F_NONBLOCK 2
#define loff_t off_t
#define __BYTE_ORDER 1234
#define R_OK 4
#define X_OK 1
#define F_OK 0
#define __LITTLE_ENDIAN 1234
#define __LONG_MAX 0x7fffffffffffffffL
#define W_OK 2
#define __BIG_ENDIAN 4321
#endif