+extern NTSTATUS (WINAPI *func_NtReadFile) (HANDLE FileHandle,
+ HANDLE Event,
+ PIO_APC_ROUTINE ApcRoutine,
+ PVOID ApcContext,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID Buffer,
+ ULONG Length,
+ PLARGE_INTEGER ByteOffset,
+ PULONG Key);
+
+extern NTSTATUS (WINAPI *func_NtWriteFile) (HANDLE FileHandle,
+ HANDLE Event,
+ PIO_APC_ROUTINE ApcRoutine,
+ PVOID ApcContext,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ PVOID Buffer,
+ ULONG Length,
+ PLARGE_INTEGER ByteOffset,
+ PULONG Key);
+