NtReplyWaitReplyPort - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTLPCAPI_H

/**
 * The NtReplyWaitReplyPort routine sends a reply and waits for a new reply.
 *
 * \param PortHandle Handle to the port object.
 * \param ReplyMessage On input, the reply data; on output, the next reply received.
 * \return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtReplyWaitReplyPort(
    _In_ HANDLE PortHandle,
    _Inout_ PPORT_MESSAGE ReplyMessage
    );

#endif

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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwReplyWaitReplyPort(
    _In_ HANDLE PortHandle,
    _Inout_ PPORT_MESSAGE ReplyMessage
    );

#endif

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NTinternals.net (undocumented.ntinternals.net)

NtReplyWaitReplyPort sends REPLY and waits for other side REPLY.

PortHandle

HANDLE to Port Object.

Reply

There's a pointer to LPC_MESSAGE structure. On input, should be filled with REPLY data by user. On output it contains REPLY from other side.

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See also

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