ssh_packet_not_very_much_data_to_write
if (ssh_packet_not_very_much_data_to_write(ssh))
int ssh_packet_not_very_much_data_to_write(struct ssh *);
if (child_terminated && ssh_packet_not_very_much_data_to_write(ssh))
ssh_packet_not_very_much_data_to_write(ssh))