Any C programmer or hobbyist here ?

[Plendakor]

.

 

[Josh Burgess]

It isn't exactly clear what you're saying, and while loops and if loops are in pretty much every language... not just C... but...

while (C = (A/(1/B))) {

if (C < 60) {
C = C * 2;
}
else if (C > 200) {
C = C / 2;
}

}