NtEnumerateBootEntries - NtDoc

#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)
#if (PHNT_VERSION >= PHNT_WINXP)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtEnumerateBootEntries(
    _Out_writes_bytes_opt_(*BufferLength) PVOID Buffer,
    _Inout_ PULONG BufferLength
    );

#endif
#endif
#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwEnumerateBootEntries(
    _Out_writes_bytes_opt_(*BufferLength) PVOID Buffer,
    _Inout_ PULONG BufferLength
    );

#endif
View code on GitHub