c = &channels[i]; if (c->type == SSH_CHANNEL_OPEN) {
c = channels[i]; if (c != NULL && c->type == SSH_CHANNEL_OPEN) {
channel_not_very_much_buffered_data(){	u_int i;	Channel *c;	for (i = 0; i < channels_alloc; i++) {		c = &channels[i];		if (c->type == SSH_CHANNEL_OPEN) {			if (!compat20 && buffer_len(&c->input) > packet_get_maxsize()) {				debug("channel %d: big input buffer %d",				    c->self, buffer_len(&c->input));				return 0;			}			if (buffer_len(&c->output) > packet_get_maxsize()) {				debug("channel %d: big output buffer %d",				    c->self, buffer_len(&c->output));				return 0;			}		}	}	return 1;}