#include <bits/fcntl.h>
-struct flock
-{
+struct flock {
short l_type;
short l_whence;
off_t l_start;
#define AT_EMPTY_PATH 0x1000
#define FAPPEND O_APPEND
-#define FFSYNC O_FSYNC
+#define FFSYNC O_SYNC
#define FASYNC O_ASYNC
#define FNONBLOCK O_NONBLOCK
#define FNDELAY O_NDELAY