feat: Initial commit

Laboratorio 4/Esercizio 2/item.h

@@ -0,0 +1,55 @@
+// Laboratorio 4 - Esercizio 2 - item.h
+// Matteo Schiff - s295565
+
+#ifndef ITEM_H_DEFINED
+#define ITEM_H_DEFINED
+
+#define CODE_LEN 5
+#define STR_LEN 50
+
+typedef struct date_s {
+    int day;
+    int month;
+    int year;
+} Date;
+
+typedef struct item_s {
+    char code[CODE_LEN+1];
+    char name[STR_LEN+1];
+    char surname[STR_LEN+1];
+    Date date;
+    char address[STR_LEN+1];
+    char city[STR_LEN+1];
+    int cap;
+} *Item;
+
+typedef struct node_s *Link;
+typedef struct node_s {
+    Item val;
+    Link next;
+} Node;
+
+typedef char* Key;
+
+// Date
+
+int DateGreater(Date a, Date b);
+
+// Item
+
+Item ItemFromString(char *str);
+Item ItemRead(FILE * fp);
+Key ItemKey(Item item);
+int ItemEq(Key x, Key y);
+void ItemPrint(FILE *fp, Item x);
+
+// List
+
+Link insertOrderedByDate(Item val, Link head);
+Item getItemByCode(Link head, Key key);
+void printList(FILE *fp, Link head);
+Item extractCode(Link *headp, Key key);
+Item extractDates(Link *headp, Date first, Date last);
+void freeList(Link head);
+
+#endif