-extern void sim_resume PARAMS ((int step, int siggnal));
-extern void sim_info PARAMS ((int verbose));
-extern void sim_create_inferior PARAMS ((SIM_ADDR start_address, char **argv, char **env));
-extern void sim_kill PARAMS ((void));
-extern void sim_set_callbacks PARAMS ((host_callback *p));
-extern void sim_stop_reason PARAMS ((enum sim_stop *reason, int *sigrc));
-extern void sim_fetch_register PARAMS ((int rn, unsigned char *memory));
-extern void sim_store_register PARAMS ((int rn, unsigned char *memory));
-extern int sim_read PARAMS ((SIM_ADDR addr, unsigned char *buffer, int size));
-extern void sim_do_command PARAMS ((char *cmd));