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16
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1 #include<stdio.h>
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2 #include<stdlib.h>
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3
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4 //static __code (*csp)(int, int, int, int);
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5
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6 __code cs_end(int a){
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7 printf("cs_exit : a=%d.\n", a);
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8 exit(a);
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9 goto cs_end(a);
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10 }
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11
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12 __code cs0(int a, int b, int c, int d){
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13 //printf("cs0 : a=%d, b=%d, c=%d, d=%d, e=%d, f=%d, g=%d.\n", a, b, c, d, e, f, g);
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14 printf("cs_cs0 : a=%d, b=%d, c=%d, d=%d.\n", a, b, c, d);
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15 goto cs_end( (int)(20*a + 30*b + 40*c + 50*d) );
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16 }
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17
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18
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19 void* freturn(){
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20 return cs0;
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21 }
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22 __code cs_goto(int a, int b, int c, int d){
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23 __code (*csp)(int, int, int, int);
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24 csp = freturn();
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25 printf("csp = %x.\n", csp);
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26
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27 //printf("cs_goto : a=%d, b=%d, c=%d, d=%d, e=%d, f=%d, g=%d.\n", a, b, c, d, e, f, g);
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28 //printf("cs_goto : a=%d, b=%d, c=%d, d=%d.\n", a, b, c, d);
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29 //printf("cs_goto : a-4=%d, a-8=%d, a-12=%d, a-16=%d.\n", *(&a-4), *(&a-8), *(&a-12), *(&a-16));
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30 //printf("cs_goto : cs0(a, b, c, d)\n");
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31 goto csp(b+a, d+b, a+c, c+d);
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32 }
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33
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34 int function(double a, float b, int c){
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35
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36 printf("function:\n");
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37 printf("a=%lf, b=%f, c=%d\n", a, b, c);
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38 //goto cs_goto(10, 20, 30, 40);
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39 goto cs_goto(10, 20, 30, 40);
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40 }
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41
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42 int main(int argc, char **argv){
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43 //csp = cs0;
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44 function(10.01, 20.02, 30);
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45 return 0;
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46 }
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47
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48
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