--- /dev/null
+#ifndef STREAMFER_H
+#define STREAMFER_H 1
+
+#include <cstdarg>
+#include <cstdio>
+#include <cassert>
+#include <cstdlib>
+#include <cstdint>
+using namespace std;
+
+#define PRINTF(f,a) __attribute__((format(printf,f,a)))
+#define UNUSED __attribute__((unused))
+
+void warning(const char *msg,...);
+void fatal(const char *msg,...);
+
+uint64_t transfer(int from_fd,const char *from_fn,int to_fd,const char *to_fn);
+
+#endif // STREAMFER_H