#include <stdio.h>
+#define ELFU_INFO(...) do { fprintf(stdout, __VA_ARGS__); } while(0)
+
#define ELFU_WARN(...) do { fprintf(stderr, __VA_ARGS__); } while(0)
#define ELFU_WARNELF(function_name) ELFU_WARN(function_name "() failed: %s\n", elf_errmsg(-1))