SamChangePasswordUser - NtDoc

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

_Check_return_
NTSTATUS
NTAPI
SamChangePasswordUser(
    _In_ SAM_HANDLE UserHandle,
    _In_ PUNICODE_STRING OldPassword,
    _In_ PUNICODE_STRING NewPassword
    );

#endif

View code on GitHub

This function is a wrapper over an RPC method documented in the [MS-SAMR] specification.