int addr_len, int flags);
int inet_accept(struct socket *sock, struct socket *newsock, int flags,
bool kern);
+int inet_send_prepare(struct sock *sk);
int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size);
ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags);