Add initialization and cleanup functions

src/ordinary.c

@@ -0,0 +1,19 @@
+#include <ordinary.h>
+#include <stdlib.h>
+
+void ordinary_list_new(struct ordinary_list *list, uint32_t limit) {
+  list->head = NULL;
+  list->tail = NULL;
+  list->count = 0;
+  list->limit = limit;
+}
+
+void ordinary_list_del(struct ordinary_list *list) {
+  struct ordinary_node *at = list->head;
+
+  while(at) {
+    struct ordinary_node *next = at->next;
+    free(at);
+    at = next;
+  }
+}