taglinefilesource code
sendmsg89fs/nfs/rpcsock.cresult = sock->ops->sendmsg(sock, msg, len, 0, 0);
sendmsg177fs/read_write.cif (!sock->ops->sendmsg)
sendmsg179fs/read_write.creturn sock->ops->sendmsg(sock, &msg, size,
sendmsg60fs/smbfs/sock.creturn sock->ops->sendmsg(sock, &msg, len, nonblock, flags);
sendmsg117include/linux/net.hint   (*sendmsg)  (struct socket *sock, struct msghdr *m, int total_len, int nonblock, int flags);
sendmsg301include/net/sock.hint      (*sendmsg)(struct sock *sk, struct msghdr *msg, int len,
sendmsg1145net/ipv4/af_inet.cif (sk->prot->sendmsg == NULL) 
sendmsg1152net/ipv4/af_inet.creturn(sk->prot->sendmsg(sk, msg, size, noblock, flags));
sendmsg381net/socket.creturn(sock->ops->sendmsg(sock, &msg, size,(file->f_flags & O_NONBLOCK),0));
sendmsg887net/socket.creturn(sock->ops->sendmsg(sock, &msg, len, (file->f_flags & O_NONBLOCK), flags));
sendmsg927net/socket.creturn(sock->ops->sendmsg(sock, &msg, len, (file->f_flags & O_NONBLOCK),
sendmsg1101net/socket.cif(sock->ops->sendmsg==NULL)
sendmsg1103net/socket.creturn sock->ops->sendmsg(sock, &msg_sys, total_len, (file->f_flags&O_NONBLOCK), flags);