DBG2
#define DBG2(flags, fmt, a, b) \
#define DBG2(flags, fmt, a, b)
#define DBG2(_f, _a, _b) \
#define DBG2(_type, _fmt, _a1, _a2) \
#define DBG2(_type, _fmt, _a1, _a2)
#define DBG2(_type, _fmt, _a1, _a2)
#define DBG2(_type, _fmt, _a1, _a2) \
#define DBG2(flag, psp, fmt, a1, a2) \
#define DBG2(flag, psp, fmt, a1, a2)
#define DBG2(flag, psp, fmt, a1, a2) \
#define DBG2(flag, psp, fmt, a1, a2)
#define DBG2 n2rng_dprintf
#define DBG2(vca, lvl, fmt, arg1, arg2)
#define DBG2(...) do { \
#define DBG2(...)