#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)
NTSYSCALLAPI
NTSTATUS
NTAPI
NtWaitLowEventPair(
_In_ HANDLE EventPairHandle
);
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#ifndef _NTZWAPI_H
NTSYSCALLAPI
NTSTATUS
NTAPI
ZwWaitLowEventPair(
_In_ HANDLE EventPairHandle
);
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Function waits, until LOW event will be signaled.