1 #include <sys/un.h> 2 #define T(t) (t*)0; 3 #define F(t,n) {t *y = &x.n;} f()4 static void f() 5 { 6 T(sa_family_t) 7 { 8 struct sockaddr_un x; 9 F(sa_family_t,sun_family) 10 F(char, sun_path[0]) 11 } 12 } 13 14