extern int value_bit_index (struct type *type, const gdb_byte *addr,
int index);
+extern enum return_value_convention
+struct_return_convention (struct gdbarch *gdbarch, struct value *function,
+ struct type *value_type);
+
extern int using_struct_return (struct gdbarch *gdbarch,
struct value *function,
struct type *value_type);