ssh_msg_recv
int ssh_msg_recv(int, struct sshbuf *);
if (ssh_msg_recv(STDIN_FILENO, b) < 0)
if ((r = ssh_msg_recv(fd, resp)) != 0) {
if (ssh_msg_recv(in, req) < 0)
r = ssh_msg_recv(from[0], b);
if (ssh_msg_recv(fd, m) == -1)
if (ssh_msg_recv(fd, m) == -1)