Index: uspace/lib/futil/include/futil.h
===================================================================
--- uspace/lib/futil/include/futil.h	(revision 04e520e4cef5045e53cdd7a3b92461ae3a1f7b36)
+++ uspace/lib/futil/include/futil.h	(revision 9daee3de8f3cc14d8464bd7f7eb8f3ccb749a1fd)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2024 Jiri Svoboda
+ * Copyright (c) 2025 Jiri Svoboda
  * All rights reserved.
  *
@@ -38,9 +38,13 @@
 #define FUTIL_H
 
+#include <errno.h>
 #include <stddef.h>
+#include "types/futil.h"
 
-extern errno_t futil_copy_file(const char *, const char *);
-extern errno_t futil_rcopy_contents(const char *, const char *);
-extern errno_t futil_get_file(const char *, void **, size_t *);
+extern errno_t futil_create(futil_cb_t *, void *, futil_t **);
+extern void futil_destroy(futil_t *);
+extern errno_t futil_copy_file(futil_t *, const char *, const char *);
+extern errno_t futil_rcopy_contents(futil_t *, const char *, const char *);
+extern errno_t futil_get_file(futil_t *, const char *, void **, size_t *);
 
 #endif
Index: uspace/lib/futil/include/types/futil.h
===================================================================
--- uspace/lib/futil/include/types/futil.h	(revision 9daee3de8f3cc14d8464bd7f7eb8f3ccb749a1fd)
+++ uspace/lib/futil/include/types/futil.h	(revision 9daee3de8f3cc14d8464bd7f7eb8f3ccb749a1fd)
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2025 Jiri Svoboda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup futil
+ * @{
+ */
+/**
+ * @file
+ * @brief
+ */
+
+#ifndef TYPES_FUTIL_H
+#define TYPES_FUTIL_H
+
+/** File utility callbacks */
+typedef struct {
+	/** Copying file */
+	void (*copy_file)(void *, const char *, const char *);
+	/** Creating directory */
+	void (*create_dir)(void *, const char *);
+} futil_cb_t;
+
+typedef struct {
+	/** Callback functions */
+	futil_cb_t *cb;
+	/** Argument to callback functions */
+	void *cb_arg;
+} futil_t;
+
+#endif
+
+/** @}
+ */