C Programming Error Lnk2019
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C++ Error Lnk2019 Unresolved External Symbol _main Referenced In Function ___tmaincrtstartup
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C++ Error Lnk2019 Unresolved External Symbol Public __thiscall
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Error Lnk2019 Unresolved External Symbol Winmain@16 Referenced In Function ___tmaincrtstartup
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site error lnk2019 unresolved external symbol __declspec(dllimport) About Us Learn more about Stack Overflow the company Business Learn more about error lnk2019 unresolved external symbol fortran hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join error lnk2019 unresolved external symbol void __cdecl the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why do I get: https://msdn.microsoft.com/en-us/library/799kze2z.aspx unresolved external symbol Error - C [closed] up vote 0 down vote favorite 2 I try to compile this code: static uint64_t push(int fd, SOCKET sock, SSL *ssl, const char *buf, uint64_t len) { uint64_t sent; int n, k; sent = 0; while (sent < len) { /* How many bytes we send in this iteration */ k = len - sent > INT_MAX ? INT_MAX http://stackoverflow.com/questions/795361/why-do-i-get-unresolved-external-symbol-error-c : (int) (len - sent); if (ssl != NULL) { n = SSL_write(ssl, buf + sent, k); } else if (fd != -1) { n = write(fd, buf + sent, k); } else { n = send(sock, buf + sent, k, 0); } if (n < 0) break; sent += n; } return (sent); } And I get this linker error: Linking... mongoose.obj : error LNK2019: unresolved external symbol _send@16 referenced in function _push What am I missing? It must be some lib or something. I just don't remember what I need to add to my linking. external symbol share|improve this question edited Feb 26 '14 at 21:50 CaptainBli 2,04111641 asked Apr 27 '09 at 21:27 T.T.T. 8,5092889145 closed as not a real question by Will Feb 14 '13 at 16:00 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question. add a comment
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn http://stackoverflow.com/questions/23995014/visual-studio-c-programming-unresolved-external-symbol-but-visible-in-watch-wi more about Stack Overflow the company Business Learn more about hiring developers or posting http://cboard.cprogramming.com/cplusplus-programming/152967-error-lnk2019-unresolved-external-symbol.html ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Visual Studio C programming: Unresolved external symbol, but visible in error lnk2019 watch window up vote -1 down vote favorite 1 In my main.c , i have : int myvar[4] = {0,1,2,3}; int main(int argc, char *argv[]) { ................... } When I try to access myvar in another file as below: extern int myvar[4]; if (myvar[0] == 1) do something; When I build this (after cleaning the project), errors "LNK2001: unresolved external symbol _myvar" and "fatal error LNK1120: 1 unresolved externals" error lnk2019 unresolved are observed. But if I comment the 'if' statement alone, then the solution builds fine and I can observe the correct values for myvar in the watch window in debug mode. I am confused regarding why this is happening. Any help would be highly appreciated! c visual-studio linker extern share|improve this question edited Jun 2 '14 at 13:08 asked Jun 2 '14 at 12:52 user3698698 62 different file in the same linking unit or different linking unit (i.e. two different libs)? –eckes Jun 2 '14 at 12:58 two different libs @eckes –user3698698 Jun 2 '14 at 13:02 I want to know how your "build" makes it to the link-phase in the first place since (a) you cannot assign a fixed array in C, and (b) the declaration for main() is non-standard (second parameter is an array of pointer-to-poiner-to char ??), (c) if {myvar[0] == 1} isn't legal C either. Check spellings and decls, since nothing else in this seems to be real code and therefore stands no chance of reproduction. –WhozCraig Jun 2 '14 at 13:05 that was just sloppy quoting of the code with a confused mix of C and Matlab ! :) –user3
Programming Boards C++ Programming Error LNK2019: unresolved external symbol Getting started with C or C++ | C Tutorial | C++ Tutorial | C and C++ FAQ | Get a compiler | Fixes for common problems Thread: Error LNK2019: unresolved external symbol Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode 12-06-2012 #1 Cannibalope View Profile View Forum Posts Registered User Join Date Oct 2012 Posts 7 Error LNK2019: unresolved external symbol I've been searching for an hour and can't figure out what's wrong. I tried moving it to a new project, but that didn't fix it. Here is the error message: Lab09.cpp InputNumber.obj : error LNK2019: unresolved external symbol "public: bool __thiscall InputNumber::valInput(void)" (?valInput@InputNumber@@QAE_NXZ) referenced in function "public: void __thiscall InputNumber::setNum(class std::basic_string