libBLOC

diff --git a/list/list_pop.c b/list/list_pop.c
new file mode 100644
index 0000000..ceaa1d8
--- /dev/null
+++ b/list/list_pop.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2023 Barry
+ *
+ * This file is part of Barry's Little Objects in C Library (libBLOC).
+ *
+ * libBLOC is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ *
+ * libBLOC is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTIBILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * libBLOC.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <BLOC/object.h>
+#include <BLOC/list.h>
+#include "../assert.h"
+#include "list.h"
+
+/* Pop the first object in a list */
+void *
+list_pop_head(List *list)
+{
+	ASSERT(list);
+	void *obj = NULL;
+	obj_lock(list);
+	if (list->header.start) {
+		obj = obj_get(list->header.start->obj);
+		list_remove(list, obj);
+	}
+	obj_unlock(list);
+	return obj;
+}
+
+/* Pop the last object in a list */
+void *
+list_pop_tail(List *list)
+{
+	ASSERT(list);
+	void *obj = NULL;
+	obj_lock(list);
+	if (list->header.end) {
+		obj = obj_get(list->header.end->obj);
+		list_remove(list, obj);
+	}
+	obj_unlock(list);
+	return obj;
+}