1#define O_CREAT        0400
 2#define O_EXCL        02000
 3#define O_NOCTTY      04000
 4#define O_TRUNC       01000
 5#define O_APPEND       0010
 6#define O_NONBLOCK     0200
 7#define O_DSYNC        0020
 8#define O_SYNC       040020
 9#define O_RSYNC      040020
10#define O_DIRECTORY 0200000
11#define O_NOFOLLOW  0400000
12#define O_CLOEXEC  02000000
13
14#define O_ASYNC      010000
15#define O_DIRECT    0100000
16#define O_LARGEFILE  020000
17#define O_NOATIME  01000000
18#define O_PATH    010000000
19#define O_TMPFILE 020200000
20#define O_NDELAY O_NONBLOCK
21
22#define F_DUPFD  0
23#define F_GETFD  1
24#define F_SETFD  2
25#define F_GETFL  3
26#define F_SETFL  4
27
28#define F_SETOWN 24
29#define F_GETOWN 23
30#define F_SETSIG 10
31#define F_GETSIG 11
32
33#define F_GETLK 33
34#define F_SETLK 34
35#define F_SETLKW 35
36
37#define F_SETOWN_EX 15
38#define F_GETOWN_EX 16
39
40#define F_GETOWNER_UIDS 17