NtWow64WriteVirtualMemory64 - NtDoc

#ifndef _NTMMAPI_H
// Virtual memory
#if (PHNT_MODE != PHNT_MODE_KERNEL)

// rev
NTSYSCALLAPI
NTSTATUS
NTAPI
NtWow64WriteVirtualMemory64(
    _In_ HANDLE ProcessHandle,
    _In_opt_ ULONGLONG BaseAddress,
    _In_reads_bytes_(NumberOfBytesToWrite) PVOID Buffer,
    _In_ ULONGLONG NumberOfBytesToWrite,
    _Out_opt_ PULONGLONG NumberOfBytesWritten
    );

#endif
#endif
View code on GitHub

#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwWow64WriteVirtualMemory64(
    _In_ HANDLE ProcessHandle,
    _In_opt_ PVOID BaseAddress,
    _In_reads_bytes_(BufferSize) PVOID Buffer,
    _In_ ULONGLONG BufferSize,
    _Out_opt_ PULONGLONG NumberOfBytesWritten
    );

#endif
View code on GitHub