Index: uspace/lib/c/include/loader/loader.h
===================================================================
--- uspace/lib/c/include/loader/loader.h	(revision 17341d4bc043c59499d012d2496df6c02d40fc79)
+++ uspace/lib/c/include/loader/loader.h	(revision 35b7d86e413b1461c120a1859a4df4918fe6b515)
@@ -47,7 +47,8 @@
 extern int loader_get_task_id(loader_t *, task_id_t *);
 extern int loader_set_cwd(loader_t *);
-extern int loader_set_pathname(loader_t *, const char *);
+extern int loader_set_program(loader_t *, const char *, int);
+extern int loader_set_program_path(loader_t *, const char *);
 extern int loader_set_args(loader_t *, const char *const[]);
-extern int loader_set_files(loader_t *, int *const[]);
+extern int loader_add_inbox(loader_t *, const char *, int);
 extern int loader_load_program(loader_t *);
 extern int loader_run(loader_t *);
Index: uspace/lib/c/include/loader/pcb.h
===================================================================
--- uspace/lib/c/include/loader/pcb.h	(revision 17341d4bc043c59499d012d2496df6c02d40fc79)
+++ uspace/lib/c/include/loader/pcb.h	(revision 35b7d86e413b1461c120a1859a4df4918fe6b515)
@@ -41,4 +41,9 @@
 typedef void (*entry_point_t)(void);
 
+struct pcb_inbox_entry {
+	char *name;
+	int file;
+};
+
 /** Program Control Block.
  *
@@ -60,6 +65,7 @@
 	char **argv;
 	
-	/** Number of preset files. */
-	unsigned int filc;
+	/** List of inbox files. */
+	struct pcb_inbox_entry *inbox;
+	int inbox_entries;
 	
 	/*