#define O_ASYNC 020000
#define O_DIRECT 0200000
#define O_LARGEFILE 0400000
#define O_NOATIME 01000000
#define O_NDELAY O_NONBLOCK
#define O_ASYNC 020000
#define O_DIRECT 0200000
#define O_LARGEFILE 0400000
#define O_NOATIME 01000000
#define O_NDELAY O_NONBLOCK