local a = 0
function someThing()
	print "do some thing"
	a = a+1
end

local c = true
function someOtherThing()
	print "do some other thing"
	c = a < 3
end

repeat
	someThing()
	someOtherThing()
	print(c)
until c ~= true

do some thing
do some other thing
true
do some thing
do some other thing
true
do some thing
do some other thing
false