https://www.r-project.org/nosvn/R.check/r-oldrel-macos-x86_64/ssize.fdr-00check.html
Check results for 'ssize.fdr'
check resultsfdr
https://krbdev.mit.edu/rt/Ticket/Display.html?id=5453
#5453: Windows - some apps define ssize_t as a preprocessor symbol
as awindowsappsdefine
https://mail.python.org/archives/list/python-dev@python.org/thread/HKCATM6L4GTAYO72BLLVCD37NDCD4S3B/
Mailman 3 marshal and ssize_t (PEP 353) - Python-Dev - python.org
python devmailmanmarshal