wmb

Results 4 issues of wmb

POSIX uses forward slashes as a path separator.

We can instead use `atol` if we want to convert to a long.

In the benchmark, there's a reference to a `roxs`, but from the code it seems that it's assumed that both `&ro` and `&ro_simple` use `Readonly::XS`, whereas `&rotie` doesn't, so if...