                          = 0x0  F_SETLK                          = 0x0  F_SETLK00                        = 0x0  F_SETLKW                         = 0x0  F_SETLKW00                       = 0x0  F_SETOWN                         = 0x00  F_UNLCK                          = 0x0  F_WRLCK                          = 0x0  HUPCL                            