#define COMMON_H
+#include <stddef.h> /* for offsetof() */
+
+
typedef void (*PerfRateFunc)(unsigned count);
extern double
PerfMeasureRate(PerfRateFunc f);
+const char *
+PerfHumanFloat( double d );
+
+extern void
+perf_printf(const char *format, ...);
+
#endif /* COMMON_H */