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42
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1 #include<stdio.h>
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2 #include<math.h>
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3
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4 #define dprint(f, args...) \
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5 printf("in %s env=%p: "f, __FUNCTION__, __builtin_frame_address(1), ## args)
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6
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7 int
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8 test(int a)
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9 {
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10 return (int)pow(a, 2.0);
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11 }
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12
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13 int
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14 callee(double a, double b, double c, int d)
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15 {
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16 dprint("a=%d,b=%d,c=%d,d=%d\n", a,b,c,d);
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17 return a+b+c+d;
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18 }
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19
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20 int
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21 caller(int a, double b, double c, double d)
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22 {
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23 int x;
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24 double y,z,w;
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25 //x = test(a);
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26 //y = test(b);
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27 //z = test(c);
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28 //w = test(d);
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29 x=a, y=b;
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30 z=c, w=d;
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31
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32 return callee(y,z,w,x);
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33 //return callee(b,c,d, a);
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34 }
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35
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36 int
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37 main (int argc, char **argv)
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38 {
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39 int r;
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40 r = caller(11,22,33,44);
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41 //r = caller(11,22,33,44, 55,66,77,88);
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42 printf("r = %d\n", r);
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43 }
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44
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45
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46
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