c++ function can not call c routine or access c global variable. Why?

[Laurent R]

Yes, I compiled both parts of codes with the same compiler. But I did not 
use extern "c" definition.
BR/


>From: Dave Smith <dave at thesmithfam.org>
>Reply-To: Provo Linux Users Group Mailing List <plug at plug.org>
>To: Provo Linux Users Group Mailing List <plug at plug.org>
>Subject: Re: c++ function can not call c routine or access c global 
>variable. Why?
>Date: Thu, 23 Mar 2006 06:42:22 -0700
>
>Laurent R wrote:
>>Hi, All:
>>  There are two parts of codes in my project. One is implemented with C++, 
>>the other is C. I compiled them repectively and link together. But I found 
>>the problem. The function in C++ can not call the routine coded with c. It 
>>will crash the system. And also the function in C++ can not access the 
>>global variable defined in C. It will get the un-initialized value from 
>>the global variable.
>>  Have u met this kind of problem? Who can help me to explain this kind of 
>>problem?
>
>Did you compile both parts of the code with the same C++ compiler? Did you 
>use extern "C" where necessary?
>
>--Dave
>
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