Replace `std::os::raw::c_ssize_t` with `std::os::raw::c_ptrdiff_t`#90421

Merged

bors merged 2 commits intorust-lang:masterfrom

thomcc:friendship-ended-with-ssize_t-now-ptrdiff_t-is-my-best-friend

Nov 3, 2021

Commits on Oct 30, 2021

Replace `std::os::raw::c_ssize_t` with `std::os::raw::c_ptrdiff_t`
thomcc
committed

Commits on Oct 31, 2021

Re-add `std::os::raw::c_ssize_t`, with more accurate documentation
thomcc
committed