extern void xexit (int status) ATTRIBUTE_NORETURN;
-#if 0 /* SDCC specific */
/* Set the program name used by xmalloc. */
extern void xmalloc_set_program_name (const char *);
/* Copy an existing memory buffer to a new memory buffer without fail. */
extern void *xmemdup (const void *, size_t, size_t) ATTRIBUTE_MALLOC;
-#endif
/* Physical memory routines. Return values are in BYTES. */
extern double physmem_total (void);