-wiringPiSetupGpio()
-wiringPiSetupGpioDevice()
-wiringPiSetupSys()
-wiringPiVersion

-pinMode(OUTPUT,INPUT,PM_OFF)
-digitalWrite
-digitalRead (output, input)
-pullUpDnControl(up, down, off)
-wiringPiISR
-wiringPiISRStop

GPIO26,19