HelenOS sources

mbr_pt_extended   552 uspace/lib/label/src/mbr.c 	else if (part->ptype.t.num == mbr_pt_extended)
mbr_pt_extended   587 uspace/lib/label/src/mbr.c 		part->ptype.t.num = mbr_pt_extended;
mbr_pt_extended   937 uspace/lib/label/src/mbr.c 	if (pte->ptype == mbr_pt_extended)
mbr_pt_extended  1007 uspace/lib/label/src/mbr.c 			pnext->ptype = mbr_pt_extended;
HelenOS homepage, sources at GitHub