test.c

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


int main() {
  void *handle;
  char* (*processSequence)(const char *);
  
  handle = dlopen("../libbogo.so", RTLD_LAZY);
  
  if (!handle) {
    printf("Unable to open library: %s\n", dlerror());
    return 1;
  }
  *(void **)(&processSequence) = dlsym(handle, "processSequenceVni");
  printf("%s\n", (*processSequence)("To6i ye6u Vie65t Nam"));

  return 0;
}