void action1（state mystate,condition myconditon）；
void action2（state mystate,condition myconditon）；
void action3（state mystate,condition myconditon）；
void actiontrap（state mystate,condition myconditon）；
trasition t1={
STATE2,action1
};
trasition t2={
STATE3,action2
};
trasition t3={
STATE2,action3
};
trasition tt={
STATETRAP,actiontrap
};
void action1（state mystate,condition myconditon）{
printf（"action1 one triggered\n"）；
}
void action2（state mystate,condition myconditon）{
printf（"action2 one triggered\n"）；
}
void action3（state mystate,condition myconditon）{
printf（"action3 one triggered\n"）；
}
void actiontrap（state mystate,condition myconditon）{
printf（"actiontrap one triggered\n"）；
}
ptrasition transition_table[STATENUM][CONDITIONS] = {
/* c1, c2*/
/* s1 */&t1, &tt,
/* s2 */&tt, &t2,
/* s3 */&t3, &tt,
/* st */&tt, &tt,
};
typedef struct
{
state current;
} StateMachine, * pStateMachine;
state step（pStateMachine machine, condition mycondition）
{
ptrasition t = transition_table[machine->current][mycondition];
（*（t->action））（machine->current, mycondition）；
machine->current = t->next;
printf（"the current state is %d\n",t->next ）；
return machine->current;
}
int main（int argc, char *argv[]）
{
StateMachine mymachine;
mymachine.current=STATE1;
int mycon;
char ch;
while（1）{
scanf（"%d",&mycon）；
step（&mymachine,mycon）；
}
return 0;
}