C/C++动态加载未知原型的函数

#include <iostream>
#ifdef _WIN32
#include <windows.h>
#else
#include <dlfcn.h>
#endif

int main() {
    // 加载动态链接库
    #ifdef _WIN32
    HINSTANCE hDll = LoadLibrary("example.dll");
    #else
    void* handle = dlopen("example.so", RTLD_LAZY);
    #endif

    if (hDll != NULL || handle != NULL) {
        // 获取函数地址
        #ifdef _WIN32
        FARPROC func = GetProcAddress(hDll, "exampleFunction");
        #else
        void* func = dlsym(handle, "exampleFunction");
        #endif

        if (func != NULL) {
            // 调用函数
            typedef void (*ExampleFunction)();
            ExampleFunction exampleFunction = (ExampleFunction)func;
            exampleFunction();
        } else {
            std::cout << "Failed to get function address." << std::endl;
        }

        // 卸载动态链接库
        #ifdef _WIN32
        FreeLibrary(hDll);
        #else
        dlclose(handle);
        #endif
    } else {
        std::cout << "Failed to load dynamic library." << std::endl;
    }

    return 0;
}