NtReplyWaitReceivePortEx - NtDoc

#ifndef _NTLPCAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
NtReplyWaitReceivePortEx(
    _In_ HANDLE PortHandle,
    _Out_opt_ PVOID *PortContext,
    _In_reads_bytes_opt_(ReplyMessage->u1.s1.TotalLength) PPORT_MESSAGE ReplyMessage,
    _Out_ PPORT_MESSAGE ReceiveMessage,
    _In_opt_ PLARGE_INTEGER Timeout
    );

#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwReplyWaitReceivePortEx(
    _In_ HANDLE PortHandle,
    _Out_opt_ PVOID *PortContext,
    _In_reads_bytes_opt_(ReplyMessage->u1.s1.TotalLength) PPORT_MESSAGE ReplyMessage,
    _Out_ PPORT_MESSAGE ReceiveMessage,
    _In_opt_ PLARGE_INTEGER Timeout
    );

#endif
View code on GitHub