Cmath Error C2061
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Error C2061: Syntax Error : Identifier 'abs'
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Error C2059 Syntax Error
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 extern c Error C2061: syntax error : identifier 'acosf' when using cURL up vote 3 down vote favorite 1 I am trying to learn about cURL and found some code online that I wanted to compile in Visual Studio but I get a series of strange errors. I tried googling the errors but couldn't find any that related to my issue. I installed cURL libraries okay but when I try to run this program: #include #include #include #include // callback function writes data to a std::ostream static size_t data_write(void* buf, size_t size, size_t nmemb, void* userp) { if(userp) { std::ostream& os = *static_cast(userp); std::streamsize len = size * nmemb; if(os.write(static_cast(buf), len)) return len; } return 0; } /** * timeout is in seconds **/ CURLcode curl_read(const std::string& url, std::ostream& os, long timeout = 30) { CURLcode code(CURLE_FAILED_INIT); CURL* curl = curl_easy_init(); if(curl) { if(CURLE_OK == (code = curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &data_write)) && CURLE_OK == (code = curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L)) && CURLE_OK == (code = curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L)) && CURLE_OK == (code = curl_easy_setopt(curl, CURLOPT_FILE, &os)) && CURLE_OK == (code = curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout)) && CURLE_OK == (code = curl_easy_setopt(curl, CURLOPT_URL, url.c_str()))) { code = curl_easy_perform(curl); } curl_easy_cleanup(curl); } return code; } int main() { curl_global_init(CURL_GLOBAL_ALL); std::ofstream ofs("output.html"); if(CURLE_OK == curl_read("http://google.com", ofs)) { // Web page successfully written to file } std::ostringstream oss; if(CURLE_OK == curl_read("http://google.com", oss)) { // Web page successfully written to string std::string html = oss.str(); } if(CURLE_OK == curl_read("http://google.com", std::cout)) { // Web page successfully writt
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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 About Us Learn more about Stack Overflow the company Business Learn more http://stackoverflow.com/questions/3376224/ms-vc-iostream-compile-error about hiring developers or posting 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 https://social.msdn.microsoft.com/Forums/vstudio/en-US/721b8913-c3ca-4e17-bca6-3b351cfc4643/visual-c-2010-express-edition-compiler-problem?forum=csharpgeneral other. Join them; it only takes a minute: Sign up ms vc++ iostream compile error up vote 4 down vote favorite 1 The following code in microsoft visual C++ 2010 express: #include //using namespace std; int main(int argc, syntax error char **argv) { return(0); } gives me the errors: 1>C:\Program Files\Microsoft Visual Studio 10.0\VC\include\cmath(19): error C2061: syntax error : identifier 'acosf' ... 1>C:\Program Files\Microsoft Visual Studio 10.0\VC\include\cmath(41): fatal error C1003: error count exceeds 100; stopping compilation ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== If comment out “#include ” then it compiles. I created an project from existing code and edited to the above. c++ visual-studio share|improve this question edited Jul 31 '10 at cmath error c2061 6:24 Kirill V. Lyadvinsky 63.6k1598185 asked Jul 31 '10 at 0:16 brian 26112 If it was a stripped down existing project, could there be some precompiled header residue left over from it? Try a build all. –Amardeep AC9MF Jul 31 '10 at 0:22 1 fatal error C1003: error count exceeds 100; stopping compilation: I only see one error. –James McNellis Jul 31 '10 at 0:31 Hi Amardeep, In the I right clicked on the project and selected “rebuild”. I get the same compile errors –brian Jul 31 '10 at 3:45 Hi James, The first few errors are: --------------------------------------- 1>C:\Program Files\Microsoft Visual Studio 10.0\VC\include\cmath(19): error C2061: syntax error : identifier 'acosf' 1>C:\Program Files\Microsoft Visual Studio 10.0\VC\include\cmath(19): error C2059: syntax error : ';' --------------------------------------- They repeat for the different math functions. –brian Jul 31 '10 at 3:46 6 @brian MSVC defaults to the C language for files with the .c extension and the C++ language for files with the .cpp extension. is a C++ header and will not compile as C code –Alexandre Jasmin Jul 31 '10 at 4:27 | show 2 more comments 3 Answers 3 active oldest votes up vote 16 down vote Change extension from .c to .cpp share|improve this answer edited Jun 13 '11 at 11:05 sfat 3,44741947 answered Jun 12 '11 at 23:19 Michal Z 16113 add
Languages , .NET Framework > Visual C# Question 0 Sign in to vote I'm trying to compile the following code using visual c++ express edition that I downloaded for free. I get a ton of errors when I compile. I just listed some of them. I did exactly what they said for creating a project and c file. Is there something wrong with this free version or did I screw up. / my first program in C++ #include using namespace std; int main () { cout << "Hello World!"; return 0; } 1>------ Build started: Project: trialrun3, Configuration: Debug Win32 ------ 1> my3rdprogram.c 1>c:\program files (x86)\microsoft visual studio 10.0\vc\include\cmath(19): error C2061: syntax error : identifier 'acosf' 1>c:\program files (x86)\microsoft visual studio 10.0\vc\include\cmath(19): error C2059: syntax error : ';' 1>c:\program files (x86)\microsoft visual studio 10.0\vc\include\cmath(19): error C2061: syntax error : identifier 'asinf' Wednesday, June 12, 2013 3:05 PM Reply | Quote Answers 0 Sign in to vote You are in the Visual C# language forum. You should ask in the Visual C++language forum. KarlWhen you see answers and helpful posts, please click Vote As Helpful, Propose As Answer, and/or Mark As Answer My Blog: http://unlockpowershell.wordpress.com My Book: Windows PowerShell 2.0 Bible My E-mail: -join ("6B61726C6D69747363686B65406D742E6E6574"-split"(?<=\G.{2})",19|%{[char][int]"0x$_"}) Marked as answer by Bob ShenMicrosoft contingent staff, Moderator Tuesday, June 25, 2013 9:16 AM Wednesday, June 12, 2013 3:12 PM Reply | Quote All replies 0 Sign in to vote You are in the Visual C# language forum. You should ask in the Visual C++language forum. KarlWhen you see answers and helpful posts, please click Vote As Helpful, Propose As Answer, and/or Mark As Answer My Blog: http://unlockpowershell.wordpress.com My Book: Windows PowerShell 2.0 Bible My E-mail: -join ("6B61726C6D69747363686B65406D742E6E6574"-split"(?<=\G.{2})",19|%{[char][int]"0x$_"}) Marked as answer by Bob ShenMicrosoft contingent staff, Moderator Tuesday, June 25, 2013 9:16 AM Wednesday, June 12, 2013 3:12 PM Reply | Quote 0 Sign in to vote You need to compile this code with 'C++' not 'C'. You may rename your source file to 'my3rdprogram.cpp' . With kind regards Wednesday, June 12, 2013 3:35 PM Reply | Quote Microsoft