__s_api_getDNs
int __s_api_getDNs(char ***, const char *,
rc = __s_api_getDNs(&dns, service, &error);
rc = __s_api_getDNs(&dns, service, &cookie->errorp);
rc = __s_api_getDNs(&dns, service, &error);
rc = __s_api_getDNs(&dns, service, &cookie->errorp);
rc = __s_api_getDNs(&dns, service, errorp);