extern "ntdll" fn NtUnlockFile(HANDLE, *IO_STATUS_BLOCK, *const LARGE_INTEGER, *const LARGE_INTEGER, ?*ULONG) callconv(WINAPI) NTSTATUS

Parameters

FileHandle: HANDLE,
IoStatusBlock: *IO_STATUS_BLOCK,
ByteOffset: *const LARGE_INTEGER,
Length: *const LARGE_INTEGER,
Key: ?*ULONG,