Evan Cox evancox10

(Instructions are based on a Mac OS Catalina install.)

Detect your display:

ioreg -lw0 | grep IODisplayPrefsKey

Will return an AppleDisplay entry with a likely DisplayVendorID of 610 and DisplayProductID of ae22.

	#define let(name,value) const __typeof__ (value) name = value;
	#define var(name,value) __typeof__ (value) name = value;

	int main(int argc, char *argv[]) {
	let(x,3); // const int x = 3;
	var(y,5); // int y = 5;

	printf("x:%i y:%i",x,y); // -> x:3 y:5
	}