+#ifndef INCLUDE_sQt5fY5eUJn5tKV0IBTDxK0zqQutTqTp
+#define INCLUDE_sQt5fY5eUJn5tKV0IBTDxK0zqQutTqTp 1
+
+#define PFX "ginge: "
+#define err(f, ...) fprintf(stderr, PFX f, ##__VA_ARGS__)
+#define log(f, ...) fprintf(stdout, PFX f, ##__VA_ARGS__)
+#ifdef DBG
+#define dbg log
+#define dbg_c printf
+#else
+#define dbg(...)
+#define dbg_c(...)
+#endif