-xbt_dict_t SIMIX_host_get_properties(u_smx_scalar_t *args);
-double SIMIX_host_get_speed(u_smx_scalar_t *args);
-double SIMIX_host_get_available_speed(u_smx_scalar_t *args);
-int SIMIX_host_get_state(u_smx_scalar_t *args);
-smx_action_t SIMIX_host_execute(u_smx_scalar_t *args);
-smx_action_t SIMIX_host_parallel_execute(u_smx_scalar_t *args);
-void SIMIX_host_execution_destroy(u_smx_scalar_t *args);
-void SIMIX_host_execution_cancel(u_smx_scalar_t *args);
-double SIMIX_host_execution_get_remains(u_smx_scalar_t *args);
-e_smx_state_t SIMIX_host_execution_get_state(u_smx_scalar_t *args);
-void SIMIX_host_execution_set_priority(u_smx_scalar_t *args);
-void SIMIX_pre_host_execution_wait(u_smx_scalar_t *args);
+xbt_dict_t SIMIX_host_get_properties(smx_host_t host);
+int SIMIX_host_get_core(smx_host_t host);
+xbt_swag_t SIMIX_host_get_process_list(smx_host_t host);
+double SIMIX_host_get_speed(smx_host_t host);
+double SIMIX_host_get_available_speed(smx_host_t host);
+int SIMIX_host_get_state(smx_host_t host);
+smx_action_t SIMIX_host_execute(const char *name,
+ smx_host_t host, double computation_amount, double priority);
+smx_action_t SIMIX_host_parallel_execute(const char *name,
+ int host_nb, smx_host_t *host_list,
+ double *computation_amount, double *communication_amount,
+ double amount, double rate);
+void SIMIX_host_execution_destroy(smx_action_t action);
+void SIMIX_host_execution_cancel(smx_action_t action);
+double SIMIX_host_execution_get_remains(smx_action_t action);
+e_smx_state_t SIMIX_host_execution_get_state(smx_action_t action);
+void SIMIX_host_execution_set_priority(smx_action_t action, double priority);
+void SIMIX_pre_host_execution_wait(smx_simcall_t simcall, smx_action_t action);
+
+// pre prototypes
+smx_host_t SIMIX_pre_host_get_by_name(smx_simcall_t, const char*);
+const char* SIMIX_pre_host_self_get_name(smx_simcall_t);
+const char* SIMIX_pre_host_get_name(smx_simcall_t, smx_host_t);
+xbt_dict_t SIMIX_pre_host_get_properties(smx_simcall_t, smx_host_t);
+int SIMIX_pre_host_get_core(smx_simcall_t, smx_host_t);
+xbt_swag_t SIMIX_pre_host_get_process_list(smx_simcall_t, smx_host_t host);
+double SIMIX_pre_host_get_speed(smx_simcall_t, smx_host_t);
+double SIMIX_pre_host_get_available_speed(smx_simcall_t, smx_host_t);
+int SIMIX_pre_host_get_state(smx_simcall_t, smx_host_t);
+void* SIMIX_pre_host_self_get_data(smx_simcall_t);
+void* SIMIX_pre_host_get_data(smx_simcall_t, smx_host_t);
+void SIMIX_pre_host_set_data(smx_simcall_t, smx_host_t, void*);
+smx_action_t SIMIX_pre_host_execute(smx_simcall_t, const char*, smx_host_t, double, double);
+smx_action_t SIMIX_pre_host_parallel_execute(smx_simcall_t, const char*, int, smx_host_t*,
+ double*, double*, double, double);
+void SIMIX_pre_host_execution_destroy(smx_simcall_t, smx_action_t);
+void SIMIX_pre_host_execution_cancel(smx_simcall_t, smx_action_t);
+double SIMIX_pre_host_execution_get_remains(smx_simcall_t, smx_action_t);
+e_smx_state_t SIMIX_pre_host_execution_get_state(smx_simcall_t, smx_action_t);
+void SIMIX_pre_host_execution_set_priority(smx_simcall_t, smx_action_t, double);