[3.12] gh-106948: Add standard external names to nitpick_ignore (GH-106949) (#107060)

* [3.12] gh-106948: Add standard external names to nitpick_ignore (GH-106949)

It includes standard C types, macros and variables like "size_t",
"LONG_MAX" and "errno", and standard environment variables like "PATH".

(cherry picked from commit f8b7fe2f26)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

* Delete 2023-05-31-18-37-57.gh-issue-105156.R4El5V.rst

Doc/c-api/arg.rst

@@ -547,7 +547,7 @@ Building values
       Same as ``s#``.
 
    ``u`` (:class:`str`) [const wchar_t \*]
-      Convert a null-terminated :c:expr:`wchar_t` buffer of Unicode (UTF-16 or UCS-4)
+      Convert a null-terminated :c:type:`wchar_t` buffer of Unicode (UTF-16 or UCS-4)
       data to a Python Unicode object.  If the Unicode buffer pointer is ``NULL``,
       ``None`` is returned.
 

Doc/c-api/memory.rst

@@ -581,7 +581,7 @@ that the treatment of negative indices differs from a Python slice):
     default).
 
     A serial number, incremented by 1 on each call to a malloc-like or
-    realloc-like function.  Big-endian ``size_t``.  If "bad memory" is detected
+    realloc-like function.  Big-endian :c:type:`size_t`.  If "bad memory" is detected
     later, the serial number gives an excellent way to set a breakpoint on the
     next run, to capture the instant at which this block was passed out.  The
     static function bumpserialno() in obmalloc.c is the only place the serial

Doc/c-api/unicode.rst

@@ -44,7 +44,7 @@ Python:
 
 .. c:type:: Py_UNICODE
 
-   This is a typedef of :c:expr:`wchar_t`, which is a 16-bit type or 32-bit type
+   This is a typedef of :c:type:`wchar_t`, which is a 16-bit type or 32-bit type
    depending on the platform.
 
    .. versionchanged:: 3.3
@@ -444,11 +444,11 @@ APIs:
    +----------+-----------------------------------------------------+
    | ``ll``   | :c:expr:`long long` or :c:expr:`unsigned long long` |
    +----------+-----------------------------------------------------+
-   | ``j``    | :c:expr:`intmax_t` or :c:expr:`uintmax_t`           |
+   | ``j``    | :c:type:`intmax_t` or :c:type:`uintmax_t`           |
    +----------+-----------------------------------------------------+
-   | ``z``    | :c:expr:`size_t` or :c:expr:`ssize_t`               |
+   | ``z``    | :c:type:`size_t` or :c:type:`ssize_t`               |
    +----------+-----------------------------------------------------+
-   | ``t``    | :c:expr:`ptrdiff_t`                                 |
+   | ``t``    | :c:type:`ptrdiff_t`                                 |
    +----------+-----------------------------------------------------+
 
    The length modifier ``l`` for following conversions ``s`` or ``V`` specify
@@ -527,7 +527,7 @@ APIs:
 
    .. note::
       The width formatter unit is number of characters rather than bytes.
-      The precision formatter unit is number of bytes or :c:expr:`wchar_t`
+      The precision formatter unit is number of bytes or :c:type:`wchar_t`
       items (if the length modifier ``l`` is used) for ``"%s"`` and
       ``"%V"`` (if the ``PyObject*`` argument is ``NULL``), and a number of
       characters for ``"%A"``, ``"%U"``, ``"%S"``, ``"%R"`` and ``"%V"``
@@ -846,11 +846,11 @@ conversion function:
 wchar_t Support
 """""""""""""""
 
-:c:expr:`wchar_t` support for platforms which support it:
+:c:type:`wchar_t` support for platforms which support it:
 
 .. c:function:: PyObject* PyUnicode_FromWideChar(const wchar_t *w, Py_ssize_t size)
 
-   Create a Unicode object from the :c:expr:`wchar_t` buffer *w* of the given *size*.
+   Create a Unicode object from the :c:type:`wchar_t` buffer *w* of the given *size*.
    Passing ``-1`` as the *size* indicates that the function must itself compute the length,
    using wcslen.
    Return ``NULL`` on failure.
@@ -858,9 +858,9 @@ wchar_t Support
 
 .. c:function:: Py_ssize_t PyUnicode_AsWideChar(PyObject *unicode, wchar_t *w, Py_ssize_t size)
 
-   Copy the Unicode object contents into the :c:expr:`wchar_t` buffer *w*.  At most
-   *size* :c:expr:`wchar_t` characters are copied (excluding a possibly trailing
-   null termination character).  Return the number of :c:expr:`wchar_t` characters
+   Copy the Unicode object contents into the :c:type:`wchar_t` buffer *w*.  At most
+   *size* :c:type:`wchar_t` characters are copied (excluding a possibly trailing
+   null termination character).  Return the number of :c:type:`wchar_t` characters
    copied or ``-1`` in case of an error.  Note that the resulting :c:expr:`wchar_t*`
    string may or may not be null-terminated.  It is the responsibility of the caller
    to make sure that the :c:expr:`wchar_t*` string is null-terminated in case this is
@@ -874,7 +874,7 @@ wchar_t Support
    Convert the Unicode object to a wide character string. The output string
    always ends with a null character. If *size* is not ``NULL``, write the number
    of wide characters (excluding the trailing null termination character) into
-   *\*size*. Note that the resulting :c:expr:`wchar_t` string might contain
+   *\*size*. Note that the resulting :c:type:`wchar_t` string might contain
    null characters, which would cause the string to be truncated when used with
    most C functions. If *size* is ``NULL`` and the :c:expr:`wchar_t*` string
    contains null characters a :exc:`ValueError` is raised.

Doc/c-api/veryhigh.rst

@@ -17,7 +17,7 @@ parameter.  The available start symbols are :c:data:`Py_eval_input`,
 following the functions which accept them as parameters.
 
 Note also that several of these functions take :c:expr:`FILE*` parameters.  One
-particular issue which needs to be handled carefully is that the :c:expr:`FILE`
+particular issue which needs to be handled carefully is that the :c:type:`FILE`
 structure for different C libraries can be different and incompatible.  Under
 Windows (at least), it is possible for dynamically linked extensions to actually
 use different libraries, so care should be taken that :c:expr:`FILE*` parameters