c and c++ linkage with libraries -

c and c++ linkage with libraries -

Suppose I have a C ++ Library libror that uses classes and templates. Suppose I have a custom C ++ header with myLink.h with the following:

  #include "lib.h" // call methods that use templates and sections from lib.h // and the return function is an integer integer based on the information received from the called operation. Extern "c" int foo (int param1, const int param2);    Now assume that I test.c. I am in a file named Is this function legal to call fu ()?  
  // test.c int first = foo (5, 6);    In addition, what is happening in the compilation object code / linker phase?  
 Thank you!  
    Is this function legal to call fu ()?   
  int first = foo (5, 6);    Yes, it is legal though you should read below to make sure that it will link the legal call.  
  Is the compilation running on the object code / linker step?   
 The use of classes will not interfere C ++ Classes Object codes will be compiled, which will be understood by Linker.  
  Edit with Chris Dodd's comment:   
 Your templates will also be created based on this  foo  call them.   

 


  

















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