2574 mdb needs ::printf
Reviewed by: Joshua M. Clulow <josh@sysmgr.org>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Approved by: ?

*** 47,56 ****
--- 47,58 ----
  extern int cmd_list(uintptr_t, uint_t, int, const mdb_arg_t *);
  extern int cmd_array(uintptr_t, uint_t, int, const mdb_arg_t *);
  extern int cmd_print(uintptr_t, uint_t, int, const mdb_arg_t *);
  extern int cmd_print_tab(mdb_tab_cookie_t *, uint_t, int, const mdb_arg_t *);
  extern void print_help(void);
+ extern int cmd_printf(uintptr_t, uint_t, int, const mdb_arg_t *);
+ extern void printf_help(void);
  
  #endif  /* _MDB */
  
  #ifdef  __cplusplus
  }