#ifndef _NTREGAPI_H

/**
 * Deletes a value from a registry key.
 * 
 * @param[in] KeyHandle A handle to the key that contains the value to be deleted.
 * @param[in] ValueName A pointer to a UNICODE_STRING structure that specifies the name of the value to be deleted.
 * @return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtDeleteValueKey(
    _In_ HANDLE KeyHandle,
    _In_ PUNICODE_STRING ValueName
    );

#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwDeleteValueKey(
    _In_ HANDLE KeyHandle,
    _In_ PUNICODE_STRING ValueName
    );

#endif
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