1 static int ap(int i); testit(void)2static void testit(void){ 3 int ir[4] = {0,1,2,3}; 4 int ix,n,m; 5 n=1; m=3; 6 for (ix=1;ix<=4;ix++) { 7 if (n == 1) m = 4; 8 else m = n-1; 9 ap(ir[n-1]); 10 n = m; 11 } 12 } 13 14 static int t = 0; 15 static int a[4]; 16 ap(int i)17static int ap(int i){ 18 if (t > 3) 19 abort(); 20 a[t++] = i; 21 return 1; 22 } 23 main(void)24int main(void) 25 { 26 testit(); 27 if (a[0] != 0) 28 abort(); 29 if (a[1] != 3) 30 abort(); 31 if (a[2] != 2) 32 abort(); 33 if (a[3] != 1) 34 abort(); 35 exit(0); 36 } 37