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 0 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 14 34#define F_SETLK 6 35#define F_SETLKW 7 36 37#define F_SETOWN_EX 15 38#define F_GETOWN_EX 16 39 40#define F_GETOWNER_UIDS 17 41