#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

/**
 * Sets the value of the specified firmware environment variable.
 * The user account that the app is running under must have the SE_SYSTEM_ENVIRONMENT_NAME privilege.
 *
 * @param VariableName The name of the firmware environment variable. The pointer must not be NULL.
 * @param VariableValue A pointer to the new value for the firmware environment variable.
 * If this parameter is zero, the firmware environment variable is deleted.
 * @return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtSetSystemEnvironmentValue(
    _In_ PUNICODE_STRING VariableName,
    _In_ PUNICODE_STRING VariableValue
    );

#endif
#endif
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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwSetSystemEnvironmentValue(
    _In_ PUNICODE_STRING VariableName,
    _In_ PUNICODE_STRING VariableValue
    );

#endif
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