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at November 12, 2012 09:31 by dmikulin
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typedef lis *elem; typedef lis list; struct zivotinje{ int sifra; char naziv[30]; char vrsta[30]; float cijena; struct{ int dan, mj, god; }datum; }; struct lis { zivotinje value; lis *Next; }; void DeleteAllL(list* L){ while(L->Next){ elem toDelete = L->Next; if(L->Next){ L->Next = toDelete->Next; delete toDelete; } } delete L; L = NULL; } list* InitL(list* L){ if(L!=NULL) DeleteAllL(L); else{ list *newList = new list; newList->Next = NULL; return newList; } return NULL; } elem FirstL(list* L){ return L; } elem EndL(list* L){ elem trenutni = L; while(trenutni->Next){ trenutni = trenutni->Next; } return trenutni; } elem NextL(elem p, list *L){ if(p!=NULL){ if(p==EndL(L)){ return NULL; } return p->Next; } return EndL(L); } elem PreviousL(elem p, list *L){ elem trenutni = L; while(trenutni){ if(trenutni->Next == p ) return trenutni; trenutni = trenutni->Next; } return NULL; } elem LocateL(zivotinje el, list* L){ elem trenutni = L; while(trenutni->Next){ if(trenutni->Next->value.sifra == el.sifra) return trenutni; trenutni = trenutni->Next; } return NULL; } void InsertL(zivotinje el, elem p, list* L){ if(p==NULL) return; else{ elem novi = new lis; novi->value = el; novi->Next = p->Next; p->Next = novi; } } void DeleteL(elem p, list* L){ elem toDelete = p->Next; if(toDelete){ p->Next = toDelete->Next; delete toDelete; } } zivotinje RetrieveL(elem p, list* L){ return p->Next->value; }
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Zaglavlje pomoću pokazivaÄa
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lista_pokazivac.h
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C++