shitouwoai的专栏

GNU C变量名可以用$符号C89关键字：auto  break  case  char  const continue  default  do  double else  enum  extern float  for  goto if  int long register return short signed sizeof  static struct switch  typede

#define container_of(ptr, type, member) ({ \ const typeof( ((type *)0)->member ) *__mptr = (ptr); \ (type *)( (char *)__mptr -