1 extern int foo (int, int, int (*) (int, int, int, int, int, int, int)); 2 3 int z; 4 5 int 6 main (void) 7 { 8 #ifndef NO_TRAMPOLINES 9 int sum = 0; 10 int i; 11 12 int nested (int a, int b, int c, int d, int e, int f, int g) 13 { 14 z = c + d + e + f + g; 15 16 if (a > 2 * b) 17 return a - b; 18 else 19 return b - a; 20 } 21 22 for (i = 0; i < 10; ++i) 23 { 24 int j; 25 26 for (j = 0; j < 10; ++j) 27 { 28 int k; 29 30 for (k = 0; k < 10; ++k) 31 sum += foo (i, j > k ? j - k : k - j, nested); 32 } 33 } 34 35 if (sum != 2300) 36 abort (); 37 38 if (z != 0x1b) 39 abort (); 40 #endif 41 42 exit (0); 43 } 44 45 int 46 foo (int a, int b, int (* fp) (int, int, int, int, int, int, int)) 47 { 48 return fp (a, b, a, b, a, b, a); 49 } 50