how to implement this ?

[horseriver <horserivers@xxxxxxxxx>]

hi:

  how to implement this assignment by MACRO?
  int a,b,c ;
  
  ((a==0)?b:c)=8;

  if use this sentence ,gcc will tell :error: lvalue required as left operand of assignment

  is there s implementation for this with  macro  define?

  is there suggestion ?

  
  thanks!