#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

/**
 * The NtSetDefaultLocale routine sets the default locale identifier for either
 * the user profile or the system.
 *
 * \param UserProfile If TRUE, sets the user default locale; otherwise, sets the system default locale.
 * \param DefaultLocaleId The locale identifier (LCID) to set.
 * \return NTSTATUS Successful or errant status.
 * \see https://learn.microsoft.com/en-us/windows/win32/api/winnls/nf-winnls-setthreadlocale
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtSetDefaultLocale(
    _In_ BOOLEAN UserProfile,
    _In_ LCID DefaultLocaleId
    );

#endif
#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwSetDefaultLocale(
    _In_ BOOLEAN UserProfile,
    _In_ LCID DefaultLocaleId
    );

#endif
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