gistfile1.txt

#include <stdio.h>
#include <dlfcn.h>

extern "C" int foo() {
    puts("LOOOOOL");
}

int main() {
    void* handle = dlopen(NULL, RTLD_NOW);
    int(*my_foo)() = dlsym(handle, "foo");
    my_foo();
    dlclose(handle);
    return 0;
}