extern int mmix_use_simple_return (void);
extern void mmix_make_decl_one_only (tree);
extern int mmix_data_alignment (tree, int);
-extern int mmix_constant_alignment (tree, int);
extern unsigned mmix_local_alignment (tree, unsigned);
extern void mmix_asm_output_pool_prologue (FILE *, const char *, tree, int);
extern void mmix_asm_output_aligned_common (FILE *, const char *, int, int);