void extcap_interfaces() {
  printf("extcap {version=%s}\n", ndpi_revision());
  printf("interface {value=ndpi}{display=nDPI interface}\n");
  exit(0);
}
void extcap_interfaces() {
  printf("extcap {version=%s}\n", ndpi_revision());
  printf("interface {value=ndpi}{display=nDPI interface}\n");
  exit(0);
}