save stateHEADmain

1 files changed, 36 insertions, 0 deletions

diff --git a/src/include/list.h b/src/include/list.h
new file mode 100644
index 0000000..055106a
--- /dev/null
+++ b/src/include/list.h
@@ -0,0 +1,36 @@
+#ifndef LIST_H
+#define LIST_H
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct NODE_STRUCT {
+  void *item;
+  struct NODE_STRUCT *next;
+  struct NODE_STRUCT *prev;
+} node_t;
+
+typedef struct {
+  size_t size;
+  node_t *head;
+  node_t *tail;
+} list_t;
+
+node_t *init_node(void *item);
+
+void node_free(void *x, void (*freefunc)(void *));
+
+list_t *init_list();
+
+void list_push_front(list_t *l, void *x);
+
+void list_push_back(list_t *l, void *x);
+
+void *list_pop_back(list_t *l);
+
+void *list_pop_front(list_t *l);
+
+bool list_is_empty(list_t *l);
+
+void list_free(void *x, void (*freefunc)(void *));
+
+#endif