{
{% if macro.vars %}
    const {{ macro.render_struct() }} {{ macro.name }}_args = {
    {% for var in macro.vars %}
#line {{ var.linenr }}
        .{{ var.name }} = {{ var.expr }},
    {% endfor %}
    };
#line {{ macro.linenr }}
{% endif %}
    size_t {{ macro.name }}_fn(void *, pl_str *, const uint8_t *);
{% if macro.vars %}
    pl_str_builder_append(sh->buffers[{{ macro.buf }}], {{ macro.name }}_fn,
                          &{{ macro.name }}_args, sizeof({{ macro.name }}_args));
{% else %}
    pl_str_builder_append(sh->buffers[{{ macro.buf }}], {{ macro.name }}_fn, NULL, 0);
{% endif %}
}