Challenge 1 + 2

challenges/01-intro-challenges/c-env/linked_list.h

@@ -0,0 +1,13 @@
+typedef struct _Item {
+    char *data;
+    struct _Item *prev;
+    struct _Item *next;
+} Item;
+
+typedef struct List {
+   Item *head;
+} List;
+
+List* InitList();
+void Insert(List *l, char *data);
+Item* Find(List *l, char *data);