--- F_DUPFD
--- F_GETFD
--- F_GETLK
--- F_SETFD
--- F_GETFL
--- F_SETFL
--- F_SETLK
--- F_SETLKW
--- FD_CLOEXEC
--- F_RDLCK
--- F_UNLCK
--- F_WRLCK
--- O_CREAT
--- O_EXCL
--- O_NOCTTY
--- O_TRUNC
--- O_APPEND
--- O_NONBLOCK
--- O_NDELAY
--- O_RDONLY
--- O_RDWR
--- O_WRONLY

