On 08/03/2018 15:27, Martin Gregorie wrote:
> On Thu, 08 Mar 2018 13:34:57 +0000, The Natural Philosopher wrote:
>
>> On 08/03/18 13:13, Martin Gregorie wrote:
>>> On Thu, 08 Mar 2018 12:37:38 +0000, Martin Gregorie wrote:
>>>
>>> CORRECTION for stupid typo:
>>>
>>> /* Prototype, put in a header file, myfunction.h  */
>>>    int myfunction(int, char*);
>>>
>>> /* empty function as the only contents of a source file, myfunction.c
>>> */
>>>     int myfunction(int bufflth, char* buff)
>>>     {
>>>       return 0;
>>>     }
>>>
>>>
>>>
>>>
>>>
>> I would at least put in a bit more
>>
>> int myfunction(int bufflth, char* buff)
>>      {
>>         return (int)buff[bufflth-1];
>>      }
>>
>> So you know where on the stack buff and bufflth are...
>
> Why would you want to know that? All the assembler operations using the
> arguments will be inside myfunction() and, unless the code is calculating
> a result to be returned and used elsewhere, the returned value is
> probably to report success or failure.
>
>
If it returns success or failure, why return 1 of 4 billion possible values?

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