tls_buffer_set_capacity_limit
tls_buffer_set_capacity_limit(ssl->s3->hs.tls13.quic_read_buffer,
tls_buffer_set_capacity_limit(s->s3->alert_fragment,
tls_buffer_set_capacity_limit(s->s3->handshake_fragment,
void tls_buffer_set_capacity_limit(struct tls_buffer *buf, size_t limit);
tls_buffer_set_capacity_limit(buf, 8192);