1short v = -1;
2
3typedef struct
4{
5  short network;
6} atype;
7
8void f ()
9{
10  static atype config;
11  atype *cp;
12  short net;
13  cp = &config;
14  cp->network = (v == -1) ? 100 : v;
15  net = cp->network;
16}
17