Coding style in CPython implementation

[Ned Batchelder]

On 10/28/17 4:26 PM, Stefan Ram wrote:
> Ned Batchelder <ned at nedbatchelder.com> writes:
>> On 10/28/17 3:00 PM, Stefan Ram wrote:
>>> =?UTF-8?B?zqPPhM6tz4bOsc69zr/PgiDOo8+Jz4bPgc6/zr3Or86/z4U=?= <stefanossofroniou542 at gmail.com> writes:
>>>> What I wanted to ask is, is there a particular reason for not choosing
>>> definition of »NULL«. »NULL« is not part of the C language proper.
>> Especially if NULL is not part of the standard,
>    »NULL« is defined in the standard, but it is an identifier
>    from the library and, therefore, needs an »#include«.
>
>    The language proper is the language core without any
>    library added.
>
>    The expression »NULL« AFAIK has only the meaning that
>    usually is intended if one of the headers needed for
>    it has been »#include«d.
>
>    The operator »!« and the if-statement do not require
>    any »#include«.
>

I certainly wouldn't adjust my coding style to avoid #include'ing the 
definition of NULL.

--Ned.