ipp_initialize_request
ipp_initialize_request(svc, &request, OPID_CUPS_GET_DEFAULT);
ipp_initialize_request(svc, request, type);
ipp_initialize_request(svc, &request, type);
ipp_initialize_request(svc, &request, OPID_GET_JOB_ATTRIBUTES);
ipp_initialize_request(svc, &request, type);
ipp_initialize_request(svc, &request, OPID_CUPS_MOVE_JOB);
ipp_initialize_request(svc, &request, OPID_SET_JOB_ATTRIBUTES);
extern void ipp_initialize_request(service_t *svc,
ipp_initialize_request(svc, &request, OPID_GET_PRINTER_ATTRIBUTES);
ipp_initialize_request(svc, &request, type);
ipp_initialize_request(svc, &request, OPID_SET_PRINTER_ATTRIBUTES);
ipp_initialize_request(svc, &request, OPID_PURGE_JOBS);
ipp_initialize_request(svc, &request, OPID_GET_JOBS);
ipp_initialize_request(svc, &request, OPID_CUPS_GET_PRINTERS);