New compilation warnings on Windows

[gvanrossum]

BPO	46346
Nosy	@gvanrossum, @pfmoore, @vstinner, @tiran, @tjguk, @zware, @zooba, @pablogsal
Superseder	bpo-46303: _Py_stat and _Py_wstat using incorrect type for status argument

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2022-01-11.23:11:59.420>
created_at = <Date 2022-01-11.18:31:57.402>
labels = ['type-bug', 'OS-windows', 'build', '3.11']
title = 'New compilation warnings on Windows'
updated_at = <Date 2022-01-11.23:11:59.419>
user = 'https://github.com/gvanrossum'

bugs.python.org fields:

activity = <Date 2022-01-11.23:11:59.419>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2022-01-11.23:11:59.420>
closer = 'vstinner'
components = ['Build', 'Windows']
creation = <Date 2022-01-11.18:31:57.402>
creator = 'gvanrossum'
dependencies = []
files = []
hgrepos = []
issue_num = 46346
keywords = []
message_count = 3.0
messages = ['410320', '410325', '410350']
nosy_count = 8.0
nosy_names = ['gvanrossum', 'paul.moore', 'vstinner', 'christian.heimes', 'tim.golden', 'zach.ware', 'steve.dower', 'pablogsal']
pr_nums = []
priority = None
resolution = 'duplicate'
stage = 'resolved'
status = 'closed'
superseder = '46303'
type = 'behavior'
url = 'https://bugs.python.org/issue46346'
versions = ['Python 3.11']

[gvanrossum]

I am getting these warnings:

C:\Users\gvanrossum\cpython\PC\_testconsole.c(70,38): warning C4013: '_Py_get_osfhandle' undefined; assuming extern returnin
g int [C:\Users\gvanrossum\cpython\PCbuild\_testconsole.vcxproj]
C:\Users\gvanrossum\cpython\PC\_testconsole.c(70,1): warning C4047: 'initializing': 'HANDLE' differs in levels of indirectio
n from 'int' [C:\Users\gvanrossum\cpython\PCbuild\_testconsole.vcxproj]
C:\Users\gvanrossum\cpython\Modules\_tkinter.c(144,37): warning C4013: '_Py_stat' undefined; assuming extern returning int [
C:\Users\gvanrossum\cpython\PCbuild\_tkinter.vcxproj]

I noticed that GitHub also was flagging these in unrelated PRs.

[zooba]

Possibly related to Victor's change in bpo-46303?

[vstinner]

Oh right, I introduced these warnings in bpo-46303. Let's continue the discussion there.