Callback function in C - Tutorialspoint

Callback function in C ... The callback is basically any executable code that is passed as an argument to other code, that is expected to call ... Home CodingGround Jobs Whiteboard Tools Business Teachwithus TrendingCategories DataStructure Networking RDBMS OperatingSystem Java iOS HTML CSS Android Python CProgramming C++ C# MongoDB MySQL Javascript PHP SelectedReading UPSCIASExamsNotes Developer'sBestPractices QuestionsandAnswers EffectiveResumeWriting HRInterviewQuestions ComputerGlossary WhoisWho CallbackfunctioninC CServerSideProgrammingProgramming Thecallbackisbasicallyanyexecutablecodethatispassedasanargumenttoothercode,thatisexpectedtocallbackorexecutetheargumentatagiventime.Wecandefineitinotherwordslikethis:Ifthereferenceofafunctionispassedtoanotherfunctionargumentforcalling,thenitiscalledthecallbackfunction.InCwehavetousethefunctionpointertocallthecallbackfunction.Thefollowingcodeisshowinghowthecallbackfunctionisdoingitstask.ExampleCode#include voidmy_function(){   printf("Thisisanormalfunction."); } voidmy_callback_function(void(*ptr)()){   printf("Thisiscallbackfunction.\n");   (*ptr)();  //callingthecallbackfunction } main(){   void(*ptr)()=&my_function;   my_callback_function(ptr); }OutputThisiscallbackfunction. Thisisanormalfunction. NityaRaut Updatedon30-Jul-201922:30:25 RelatedQuestions&AnswersPassingafunctionasacallbackinJavaScript HowtoreturnvaluefromanasynchronouscallbackfunctioninJavaScript? CallbackusingInterfacesinJava AccumulatingsomevalueoverusingacallbackfunctionandinitialvalueinJavaScript WhatarecallbackfunctionsinJavaScript? ExplainthecallbackPromise.finallyinJavaScript ChromeandHTML5GeoLocationdenialcallback PassingparameterstocallbackfunctionsJavaScript Accessthefilecontentsfrominsidethecallbackfunctionanddisplayonconsole–jQuery HowcanIpassaparametertoasetTimeout()callback? CallbackisnotworkingonremotebutworkinglocallyinSAPCRM iswlower()functioninC/C++ towupper()functioninC/C++ iswdigit()functioninC/C++ strftime()functioninC/C++ PreviousPage PrintPage NextPage  Advertisements