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NtReadFile.3w

NAME

NtReadFile (NTDLL.@)

SYNOPSIS

NTSTATUS NtReadFile
 (
  HANDLE           hFile,
  HANDLE           hEvent,
  PIO_APC_ROUTINE  apc,
  void*            apc_user,
  PIO_STATUS_BLOCK io_status,
  void*            buffer,
  ULONG            length,
  PLARGE_INTEGER   offset,
  PULONG           key
 )

DESCRIPTION

Read from an open file handle.

PARAMS

FileHandle [In] Handle returned from ZwOpenFile(3w) or ZwCreateFile(3w).

Event [In] Event to signal upon completion (or NULL).

ApcRoutine [In] Callback to call upon completion (or NULL).

ApcContext [In] Context for ApcRoutine (or NULL).

IoStatusBlock [Out] Receives information about the operation on return.

Buffer [Out] Destination for the data read.

Length [In] Size of Buffer.

ByteOffset [Out] Destination for the new file pointer position (or NULL).

Key [Out] Function unknown (may be NULL).

RETURNS

Success: 0. IoStatusBlock is updated, and the Information member contains The number of bytes read.

Failure: An NTSTATUS error code describing the error.

IMPLEMENTATION

Defined in "winternl.h".

Implemented in "dlls/ntdll/file.c".

Debug channel "ntdll".