diff -r 8902fcd1e057 -r 8cd274352419 src/cx/linked_list.h
--- a/src/cx/linked_list.h	Sun Feb 07 20:05:26 2021 +0100
+++ b/src/cx/linked_list.h	Sun Feb 07 20:08:13 2021 +0100
@@ -29,11 +29,12 @@
 #ifndef UCX_LINKED_LIST_H
 #define UCX_LINKED_LIST_H
 
+#include <stddef.h>
 #include "list.h"
 
-void *cx_linked_list_last(void **begin, void **end, off_t loc_next);
+void *cx_linked_list_last(void **begin, void **end, ptrdiff_t loc_next);
 
-int cx_linked_list_add(void **begin, void **end, off_t loc_next, off_t loc_prev, void *newnode);
+int cx_linked_list_add(void **begin, void **end, ptrdiff_t loc_next, ptrdiff_t loc_prev, void *newnode);
 
 CxList cxLinkedListCreate(CxAllocator allocator, CxListComparator comparator);