netauth
struct netauth ru_auth[1];
struct netauth *na2;
na2 = (struct netauth *)((char *)rip+len);
struct netauth *na;
na = (struct netauth*)wb->n;
struct netauth *na, *na2;
na = (struct netauth*)wb->base;
na2 = (struct netauth*)wb->n;
struct netauth *na;
na = (struct netauth*)n;
# define NA ((struct netauth*)n)