Issue #17931: Resolve confusion on Windows between pids and process handles.
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 8c4c7f3..365ddbb 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -723,8 +723,8 @@
/* The size of `wchar_t', as computed by sizeof. */
#define SIZEOF_WCHAR_T 2
-/* The size of `pid_t' (HANDLE). */
-#define SIZEOF_PID_T SIZEOF_VOID_P
+/* The size of `pid_t', as computed by sizeof. */
+#define SIZEOF_PID_T SIZEOF_INT
/* Define if you have the dl library (-ldl). */
/* #undef HAVE_LIBDL */