1extern void abort(void); 2 3int main() 4{ 5 signed char a = -30; 6 signed char b = -31; 7 #if(__SIZEOF_INT__ >= 4) 8 if (a > (unsigned short)b) 9#else 10 if ((long) a > (unsigned short)b) 11#endif 12 abort (); 13 return 0; 14} 15 16