.. function:: find_msvcrt()
:module: ctypes.util
- Windows only: return the filename of the VC runtype library used by Python,
+ Windows only: return the filename of the VC runtime library used by Python,
and by the extension modules. If the name of the library cannot be
determined, ``None`` is returned.
and so on). Later assignments to the :attr:`_fields_` class variable will
raise an AttributeError.
- Structure and union subclass constructors accept both positional and named
- arguments. Positional arguments are used to initialize the fields in the
- same order as they appear in the :attr:`_fields_` definition, named
- arguments are used to initialize the fields with the corresponding name.
-
It is possible to defined sub-subclasses of structure types, they inherit
the fields of the base class plus the :attr:`_fields_` defined in the
sub-subclass, if any.
modules. The documentation can be presented as pages of text on the console,
served to a Web browser, or saved to HTML files.
+For modules, classes, functions and methods, the displayed documentation is
+derived from the docstring (i.e. the :attr:`__doc__` attribute) of the object,
+and recursively of its documentable members. If there is no docstring,
+:mod:`pydoc` tries to obtain a description from the block of comment lines just
+above the definition of the class, function or method in the source file, or at
+the top of the module (see :func:`inspect.getcomments`).
+
The built-in function :func:`help` invokes the online help system in the
interactive interpreter, which uses :mod:`pydoc` to generate its documentation
as text on the console. The same text documentation can also be viewed from
>>> os.path.exists(f.name)
False
-The module uses two global variables that tell it how to construct a
+The module uses a global variable that tell it how to construct a
temporary name. They are initialized at the first call to any of the
functions above. The caller may change them, but this is discouraged; use
the appropriate function arguments, instead.