Question about minimum raise

[moose47]

Ok, the following happens in no-limit:

Player A bets 50
Player B raises all-in with his last 60
Player C wants to raise

What is the minimum that Player C can raise? I know the rule is that the minimum raise equals the previous raise which in this case would be 10. Is there a special rule though for an instance like this where the all-in raise wasn't a full raise?

[dakine]

Player C has to raise to $120. Player A calls the $120 or folds. If A calls the $120 and more flops are coming, then there is a side pot for B.

[Dave B]

I believe he can raise to $110.

[jwrussell]

OK, did player B RAISE $10 or $60? In other words did he put in $110 or $60 into the pot?

Here's how I understand: if player B raised $10, then you ignore this (as it was alrady below the min raise) and Player C has to raise by at least $50 (to $100), if player B raised the pot by $60 then player C has to raise it by $120.

In another format:
A bet $50 B raise to $60 C raise to $100

or

A bet $50 B raise to $110 C raise to $220


I'm more sure of the second sequence than the first, so any one with more knowledge out there is welcome to contradict me.

[moose47]

In my scenario Player B raised $10 to a total of $60. Incidentally, I thought that if Player B raised to $110 then Player C would only have to raise to $170 because the previous raise was $60. Maybe I'm more confused then I thought with all this minimum raising business. I guess fortunately this scenario (all-in less than minimum raise) hasn't shown up in any games I've played in yet.