extern c error Eltopia Washington

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extern c error Eltopia, Washington

If they do, I ask them to find the smallest example that exhibits the problem and send me that. Are there any rules or guidelines about designing a flag? The main() function is in C : Code: #include #include #include "cpp_main.h" /* * */ int main(int argc, char** argv) { int return_value; return_value = cpp_main(argc,argv); return (return_value); } extern "C" int printf( const char *fmt, ... ); // Cause everything in the specified header files // to have C linkage.

Can two integer polynomials touch in an irrational point? If your header is general purpose, meant to be released to the wild, it's not a good idea to use the newer style comments. Code: #include #include #include "cpp_main.h" /* * */ int main(int argc, char** argv) { int return_value; return_value = cpp_main(argc,argv); return (return_value); } Originally Posted by Bjarne Stroustrup (2000-10-14) I The extern C construct was leaking into C++ code unintentionally, where templates were defined, causing the indicated error.

expecting it to throw a new error i.e. Look up a C++ Reference and learn How To Ask Questions The Smart Way 06-10-2009 #11 CodeBugs View Profile View Forum Posts Registered User Join Date Jun 2009 Posts 24 Originally extern "C" { // add your #include statements here #include } // Declare the two functions ShowChar and GetChar // with C linkage. Functions and objects explicitly declared as static within the body of a compound linkage specifier ({ }) are treated as static functions or objects; the linkage specifier is ignored.

Could this be the issue? C functions and data can be accessed only if they are previously declared as having C linkage. To be both C and C++ compatible: Code: #ifdef __cplusplus extern "C" { #endif gg How to Ask Questions The Smart Way How to Report Bugs Effectively The Only Correct Indent And when I remove this line most of the error messages disappear.

How does C++ compiler distinguishes between different functions when it generates object code - it changes names by adding information about arguments. Otherwise it's another problem. How to deal with players rejecting the question premise Determine if a coin system is Canonical Physically locating the server Security Patch SUPEE-8788 - Possible Problems? Yes, my password is: Forgot your password?

All rights reserved. Cover an unusual board with minimum chess rooks Can a Legendary monster ignore a diviner's Portent and choose to pass the save anyway? So how to make sure that name of a symbol is not changed when we link a C code in C++. etc) have their declarations in extern "C" block. #ifdef __cplusplus extern "C" { #endif /* Declarations of this file */ #ifdef __cplusplus } #endif Following are main points discussed above 1.

Not the answer you're looking for? extern "C" { far intmyvar1;near charmyvar2; } // end extern "C" Best regards, Rafael When posting, click on the link Use Rich Formatting to attach images, files or use nice formatting. How do you say "root beer"? Why did it take 10,000 years to discover the Bajoran wormhole?

You did not get error because printf() is declared in stdio.h in extern "C" block. I can edit the answer to reflect this exchange. Hot Network Questions Truth in numbers How should I interpret "English is poor" review when I used a language check service before submission? But there are a few left, of the following sort: /usr/include/pthread.h:67:5: error: previous declaration of ‘int pthread_atfork(void (* )(),void ( *)(), void ( *)())’ with ‘C++’ linkage /usr/include/sys/unistd.h:136:5: error: conflicts with

You need this: Code: #ifdef __cplusplus extern "C" { #endif /* Your C-callable prototypes */ #ifdef __cplusplus } #endif Also, do NOT use // style comments in this header. Dev centers Windows Office Visual Studio Microsoft Azure More... Answered Your Question? 1 2 3 4 5 Document needs work? c++ c header-files extern share|improve this question edited May 30 '14 at 15:38 shuttle87 9,38144087 asked Aug 28 '13 at 17:42 jorgen 554520 1 There's not much we can do

Consider following declarations of function f() int f (void) { return 1; } int f (int) { return 0; } void g (void) { int i = f(), j = f(0); Originally Posted by Bjarne Stroustrup (2000-10-14) I get maybe two dozen requests for help with some sort of programming or design problem every day. I see the error of my ways now. Stay logged in Digital Point Home Forums > Development > Programming > Log in to view your Analytics, AdSense & PayPal stats Home Forums Search Forums Recent Posts Spy Search EnginesGoogleAdSenseGuidelines

It's shared between C and C++ code, and C has no idea what a // comment is. If you mean I included if in cpp_main.cpp, then no, cpp_main is a C++ file - and what I mean by this is that the file has the extension .cpp so I get a lot of error messages, of which many complain error: template with C linkage. Topic archived.

And what about "double-click"? what is that scenario? In nomenclature, does double or triple bond have higher priority? My code already compiles under cl6x, but in order to get the c6runapp-cc script to not complain about C++, I turned off the "--gcc" flag.

Then you can accept it. –Ziffusion Aug 29 '13 at 14:29 | show 5 more comments up vote 3 down vote This problem arises when you compile are compiling a mix It was added to C with C99. 06-09-2009 #6 brewbuck View Profile View Forum Posts Officially An Architect Join Date Mar 2007 Location Portland, OR Posts 7,396 Originally Posted by MK27 Please use code.geeksforgeeks.org, generate link and share the link here. patil nicely explained………thanks………….. Run the compiler command as is, but replace "-c" option with "-E".

Tools Insider University Program Groups Corporate Citizenship TI University Program Russian E2E (сообщество E2E) Japanese E2E (日本語コミュニティ) Learn E2E Launch Your Design Motor Drive & Control Videos More Cancel Code Composer int CFunc2(); ... Any help is much appreciated Steve Jun 10, 2009 at 2:06am UTC melkiy (131) I'll try to guess the problem. If my reply answers your question please click on the green button "Verify Answer".

Code: //try //{ if (a) do { f( b); } while(1); else do { f(!b); } while(1); //} 06-10-2009 #7 CodeBugs View Profile View Forum Posts Registered User Join Date Jun but no.. Content on this site may contain or be subject to specific guidelines or limitations on use. When must I use #!/bin/bash and when #!/bin/sh?