#include <stdio.h>
int f1()
{
printf("function 1\n");
}
int f2()
{
printf("function 2\n");
}
int f3()
{
printf("function 3\n");
}
int f41()
{
printf("function 4 from state 1\n");
}
int f42()
{
printf("function 4 from state 2\n");
}
int f43()
{
printf("function 4from state 3\n");
}
int f44()
{
printf("function 4 from state 4\n");
}
int f5()
{
printf("function 5\n");
}

void main()
{

typedef struct tt
{
void * pfunc;
int targetState;
} tTransCell;

tTransCell Trans[][6] =
{
{{0,0}, {0,0}, {0,0}, {0,0}, {0,0}},
{{f1,1}, {f1,2}, {f1,3}, {f1,4}, {f1,0}},
{{0,1}, {0,2}, {0,3}, {f2,4}, {f2,0}},
{{f3,1}, {f3,2}, {f3,3}, {f3,4}, {f3,0}},
{{f41,1}, {f42,2}, {f43,3}, {f44,4}, {f41,0}},
{{0,1}, {f5,2}, {0,3}, {f5,4}, {0,0}}
};

int trans;
int curState=0; // etat initial
void (*fpointer)();
void * pt;

while (1)
{
printf("entrez le numero de la transition (uniquement une valeur numerique) :");
//getc(trans);
scanf("%d", &trans);

if (trans == 0) {break;}
printf("transition executee %d ", trans);
printf("a partir de l etat %d\n ", curState);

pt = Trans[trans][curState].pfunc;
if (pt == 0)
{
int ptt;
printf("transition interdite\n");
ptt = 5*4+2-8;
}
else
{
fpointer = pt;
//@ assert (fpointer == pt);
curState = Trans[trans][curState].targetState;
//@ assert (curState == Trans[trans][curState].targetState);
printf("nouvel état %d\n",curState);
fpointer();
}
}

}