one to many (passing variables)

[Martin S]

My coding is slowly (*) progress at the moment. Looking at my more or
less horrible efforts so far one (well that's understatement)
questions pops up. How do you pass data from one function to many?

I have functions A B and C. If data generated in A is useable in both
B and C how do I ensure this data is passed as needed? Or is it a
symptom of bad code?

(* it's too hot (30 C + all week, and also this:
https://imagizer.imageshack.us/v2/415x311q90/673/a9d1a5.jpg)

-- 
Regards,

Martin S