-extern int load_debug_section (enum dwarf_section_display_enum, void *);
-extern void free_debug_section (enum dwarf_section_display_enum);
+extern bfd_boolean load_debug_section (enum dwarf_section_display_enum, void *);
+extern void free_debug_section (enum dwarf_section_display_enum);
+extern bfd_boolean load_separate_debug_files (void *, const char *);
+extern void close_debug_file (void *);
+extern void * open_debug_file (const char *);