smx_action_t SIMIX_pre_host_execute(smx_simcall_t, const char*, smx_host_t, double, double, double, unsigned long);
smx_action_t SIMIX_pre_host_parallel_execute(smx_simcall_t, const char*, int, smx_host_t*,
double*, double*, double, double);
smx_action_t SIMIX_pre_host_execute(smx_simcall_t, const char*, smx_host_t, double, double, double, unsigned long);
smx_action_t SIMIX_pre_host_parallel_execute(smx_simcall_t, const char*, int, smx_host_t*,
double*, double*, double, double);