1 #include <studio.h>
2
3 // compare function
4 int jug(int x, int y)
5 {
6 if(x >= 0) return x;
7 else if(y == 0) return x;
8 else return x/y;
9 }
10
11 // get sum
12 int sub(int x, int y)
13 {
14 return x+y;
15 }
16
17 // get sub
18 int minus(int x, int y)
19 {
20 return x-y;
21 }
22
23 void test(int (*p)(int, int), int a, int b)
24 {
25 int Int1;
26 Int1 = (*p)(a,b);
27 printf("a=%d, b=%d, %d\n", a, b, Int1);
28 }
29
30 int main()
31 {
32 int a = 1, b = 2, c = 3, d = 4, e = 5;
33 test(sub, a, b);
34 test(minus, c, d);
35 test(jug, e, b);
36 return 0;
37 }
