copyout_sockname
error = copyout_sockname((struct sockaddr *)omsg.msg_name, &omsg.msg_namelen, 0, from);
error = copyout_sockname(msg->msg_name,
error = copyout_sockname(msg.msg_name, &msg.msg_namelen, 0,
error = copyout_sockname(NETBSD32PTR64(omsg.msg_name),
error = copyout_sockname(msg->msg_name, &msg->msg_namelen, 0,
error = copyout_sockname(SCARG_P32(uap, from),
error = copyout_sockname(msg->msg_name, &msg->msg_namelen, 0,
error = copyout_sockname(SCARG(uap, from), SCARG(uap, fromlenaddr),
error = copyout_sockname(msg.msg_name, &msg.msg_namelen, 0,
int copyout_sockname(struct sockaddr *, unsigned int *, int, struct mbuf *);