NAME¶

NtWriteFile (NTDLL.@)

SYNOPSIS¶

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

DESCRIPTION¶

Write to 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 [In] Source for the data to write. 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 written. Failure: An NTSTATUS error code describing the error.

IMPLEMENTATION¶

Declared in "winternl.h". Implemented in "dlls/ntdll/file.c". Debug channel "ntdll".