n2rng_dprintf
#define DBG0 n2rng_dprintf
#define DBG1 n2rng_dprintf
#define DBG2 n2rng_dprintf
#define DBG3 n2rng_dprintf
#define DBG4 n2rng_dprintf
#define DBG5 n2rng_dprintf
#define DBG6 n2rng_dprintf
void n2rng_dprintf(n2rng_t *, int, const char *, ...);