svc_door_data
struct svc_door_data *su = su_data(xprt);
struct svc_door_data *su;
struct svc_door_data *su = xprt ? su_data(xprt) : NULL;
struct svc_door_data *su = NULL;
struct svc_door_data *su;
if ((su = malloc(sizeof (struct svc_door_data))) == NULL) {
struct svc_door_data *su;
struct svc_door_data *su = su_data(xprt);
struct svc_door_data *su = su_data(xprt);
#define su_data(xprt) ((struct svc_door_data *)(xprt->xp_p2))