RtlEmptyBucketsHashTable - NtDoc

#ifndef _NTRTL_H
// Hash tables
// begin_ntddk
#if (PHNT_VERSION >= PHNT_WIN7)

FORCEINLINE
ULONG
RtlEmptyBucketsHashTable(
    _In_ PRTL_DYNAMIC_HASH_TABLE HashTable
    )
{
    return HashTable->TableSize - HashTable->NonEmptyBuckets;
}

#endif
// end_ntddk
#endif
View code on GitHub