Here is how to call the function loader. loader(argc, argv); int loader; Delete this. It does nothing and having a variable with the same name as a function is asking for trouble. Your main.cpp file cannot see the function named loader, though. It needs a function prototype. You're ...
In order to call a foreign function from C, it must have a correct C prototype. Thus, is if the functionfee()takes the arguments fie, foe, and fum, in C calling order, and returns an integer value, then the corresponding header file should have the following prototype: int fee(int fi...
Loading libraries using header files is not supported in compiled applications. Therefore, to create an application that uses theloadlibraryfunction with a header file, follow these steps: Create a prototype MATLAB file. Suppose that you callloadlibrarywith the following syntax. loadlibrary(library, hea...
hello.c: In function ‘main’: hello.c:24: error: ‘lua_State’ undeclared (first use in this function) hello.c:24: error: (Each undeclared identifier is reported only once hello.c:24: error: for each function it appears in.) hello.c:24: error: ‘L’ undeclared (first use in thi...
You cannot call the Excel C API in the following scenarios: From an operating system event (for example, from theDllMainfunction). From a background thread that your DLL created. Return values All four of these functions return an integer value that informs the caller whether the function or...
Some C API commands and functions operate on strings that are interpreted as function or command names. For example, xlcFormula takes a string argument that is intended to be placed in a specified cell. For your add-in to work with all language settings, you can supply the English string ...
And remember the parameters cannot be pre defined, the parameters will be known in runtime though, so... the program has to be able to call any function of any dll with the correct parameters. ... The program should be able to call any function of any dllwithout knowing the parameters...
you have "external" but you need an explicit interface for the checkey function and I would say that needs the _ in the alias. Without the interface it will call the function in a totally standard Fortran way when clearly in this case that is not correct. Translate Tags: w...
Add a function prototype for the imported function to the class or module you are using, and apply the MarshalAs attribute to the parameters or return value. In the following example, an API call that expects the type void* is marshaled as AsAny: VB Αντιγραφή Declare Sub ...
Also note the function declarations in order to export "mymultwrapper" without decorations and using the __stdcall calling convention. #include "stdafx.h" // Import the type library. #import "mymult.tlb" raw_interfaces_only using namespace mymult; // declare prototype in advance with ...