General discussion • How do I manage the I/O ports on the pi4?

Code:

QFile exportFile("/sys/class/gpio/gpio19/export");exportFile.open(QIODevice::WriteOnly);exportFile.write("19");QFile directionFile("/sys/class/gpio/gpio19/direction");directionFile.open(QIODevice::WriteOnly);directionFile.write("in");QFile edgeFile("/sys/class/gpio/gpio19/edge");edgeFile.open(QIODevice::WriteOnly);edgeFile.write("body");