pub fn div_floor(x: uint, y: uint) -> uint
Divide two numbers, return the result, rounded down.
Note: This is the same function as div.
The smallest integer q such that x/y <= q. This
is either x/y or x/y + 1.
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).