uscannerdebug      63 dev/usb/uscanner.c #define DPRINTF(x)	do { if (uscannerdebug) printf x; } while (0)
uscannerdebug      64 dev/usb/uscanner.c #define DPRINTFN(n,x)	do { if (uscannerdebug>(n)) printf x; } while (0)
uscannerdebug      65 dev/usb/uscanner.c int	uscannerdebug = 0;