Convert cpio to use memiter.
diff --git a/inc/load.h b/inc/load.h
index 93aa535..7a41b9a 100644
--- a/inc/load.h
+++ b/inc/load.h
@@ -7,7 +7,9 @@
 #include "cpio.h"
 #include "memiter.h"
 
-bool load_primary(struct cpio *c, size_t kernel_arg, struct memiter *initrd);
-bool load_secondary(struct cpio *c, uint64_t mem_begin, uint64_t *mem_end);
+bool load_primary(const struct memiter *cpio, size_t kernel_arg,
+		  struct memiter *initrd);
+bool load_secondary(const struct memiter *cpio, uint64_t mem_begin,
+		    uint64_t *mem_end);
 
 #endif /* _LOAD_H */