135   const jpeg_scan_info * scanptr;  in validate_script()  local
151   scanptr = cinfo->scan_info;  in validate_script()
152   if (scanptr->Ss != 0 || scanptr->Se != DCTSIZE2-1) {  in validate_script()
168   for (scanno = 1; scanno <= cinfo->num_scans; scanptr++, scanno++) {  in validate_script()
170     ncomps = scanptr->comps_in_scan;  in validate_script()
174       thisi = scanptr->component_index[ci];  in validate_script()
178       if (ci > 0 && thisi <= scanptr->component_index[ci-1])  in validate_script()
182     Ss = scanptr->Ss;  in validate_script()
183     Se = scanptr->Se;  in validate_script()
184     Ah = scanptr->Ah;  in validate_script()
185     Al = scanptr->Al;  in validate_script()
211 	last_bitpos_ptr = & last_bitpos[scanptr->component_index[ci]][0];  in validate_script()
234 	thisi = scanptr->component_index[ci];  in validate_script()
276     const jpeg_scan_info * scanptr = cinfo->scan_info + master->scan_number;  in select_scan_parameters()  local
278     cinfo->comps_in_scan = scanptr->comps_in_scan;  in select_scan_parameters()
279     for (ci = 0; ci < scanptr->comps_in_scan; ci++) {  in select_scan_parameters()
281 	&cinfo->comp_info[scanptr->component_index[ci]];  in select_scan_parameters()
283     cinfo->Ss = scanptr->Ss;  in select_scan_parameters()
284     cinfo->Se = scanptr->Se;  in select_scan_parameters()
285     cinfo->Ah = scanptr->Ah;  in select_scan_parameters()
286     cinfo->Al = scanptr->Al;  in select_scan_parameters()