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diff --git a/neozip/arch/power/power_features.h b/neozip/arch/power/power_features.h
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+/* power_features.h -- check for POWER CPU features
+ * Copyright (C) 2020 Matheus Castanho <msc@linux.ibm.com>, IBM
+ * Copyright (C) 2021 Mika T. Lindqvist <postmaster@raasu.org>
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifndef POWER_FEATURES_H_
+#define POWER_FEATURES_H_
+
+struct power_cpu_features {
+ int has_altivec;
+ int has_arch_2_07;
+ int has_arch_3_00;
+};
+
+void Z_INTERNAL power_check_features(struct power_cpu_features *features);
+
+#endif /* POWER_FEATURES_H_ */