load_so.cpp

#include <iostream>
#include <dlfcn.h>

int main() {
    using std::cout;
    using std::cerr;
    cout << "C++ dlopen demo\n\n";
    // open the library
    cout << "Opening hello.so...\n";
    void* handle = dlopen("<<PATH_TO_.SO>>", RTLD_NOW);
    if (!handle) {
        cerr << "Cannot open library: "<< dlerror() << '\n';
        return 1;
    }
    // close the library
    cout << "Closing library...\n";
    dlclose(handle);
}

// g++ main.cpp -ldl