[PATCH 0/2] Add support of a dir arg of create_pipe() on OS/2 kLIBC

[KO Myung-Hun]

Hi/2.

These patches allow to use a directory argument of create_pipe() on
OS/2 kLIBC.

Review, please...

[PATCH 1/2] wait, waitid, waitpid: Use ones from LIBCx on OS/2 kLIBC
[PATCH 2/2] spawn-pipe: Support a directory argument of create_pipe()