xbt_dynar_t args = xbt_dynar_new(sizeof(const char*), NULL);
for (unsigned i = 0 ; i < hosts.size() ; ++i) {
const char* hostname = hostdata::at(i).get_name();
xbt_dynar_t args = xbt_dynar_new(sizeof(const char*), NULL);
for (unsigned i = 0 ; i < hosts.size() ; ++i) {
const char* hostname = hostdata::at(i).get_name();