Re: macro problem
Re: macro problem
- Subject: Re: macro problem
- From: Programmingkid <email@hidden>
- Date: Sat, 20 Nov 2010 20:07:22 -0500
They are unwanted because they cause an error when I try to run my program. The error says the two symbols are not found in libSystem.b.dylib.
On Nov 20, 2010, at 3:27 PM, Patrick Rutkowski wrote:
> Firstly, the C and C++ reserve all symbols with two underscores for the compiler and for system headers; it's their namespace.
>
> Secondly, why are they unwanted? What makes you think they're causing your program to crash?
>
> -Patrick
>
> On Nov 20, 2010, at 1:26 PM, Programmingkid wrote:
>
>> There is some code in stdio.h that adds the unwanted symbols __stdoutp and __stderrp to my program. The code that does this is this:
>>
>> __BEGIN_DECLS
>> #if __DARWIN_UNIX03
>> extern FILE * __stdoutp;
>> extern FILE * __stderrp;
>> #else
>> extern FILE __sF[];
>> #endif
>> __END_DECLS
>>
>>
>> The __stdoutp and __stderrp variables causes my program to crash. Is there some kind of command line option I can give to gcc to stop these variables from being added to my program? In case your curious, __DARWIN_UNIX03 is defined in cdefs.h. _______________________________________________
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