0192-ptrcmp.c (209B)
1 struct ptrs { 2 unsigned char *rp; 3 unsigned char *wp; 4 }; 5 6 struct ptrs iob[2]; 7 8 int 9 main() 10 { 11 static unsigned char buf[10]; 12 13 iob[0].rp = buf; 14 iob[0].wp = buf+2; 15 16 return (&iob[0])->rp >= (&iob[0])->wp; 17 }