plugin_fini
void (*plugin_fini)(ndmp_plugin_t *);
plugin_fini = (void (*)(ndmp_plugin_t *))dlsym(mod_plp, "_ndmp_fini");
if (plugin_fini == NULL) {
plugin_fini(ndmp_pl);
el->reg.plugin_fini = regp->plugin_fini;
plugin_fini(p->next);
if (p->reg.plugin_fini)
(p->reg.plugin_fini)();
plugin_fini(plugin_reg_list);
void (*plugin_fini)(void);