/ # cat /proc/bus/input/handlers 
N: Number=0 Name=kbd
N: Number=1 Name=mousedev Minor=32
N: Number=2 Name=evdev Minor=64
N: Number=3 Name=tsdev Minor=128
N: Number=4 Name=evbug
/ # cat /proc/bus/input/
/proc/bus/input/devices    /proc/bus/input/handlers 
/ # cat /proc/bus/input/devices 
I: Bus=0000 Vendor=0000 Product=1005 Version=0000
N: Name="SIMpad Switches"
P: Phys=
S: Sysfs=/class/input/input0
H: Handlers=kbd event0 evbug 
B: EV=100003
B: KEY=300000 1680 0 0