mongoose/docs/c-api/mqtt_server.h/mg_mqtt_next.md

title	decl_name	symbol_kind	signature
mg_mqtt_next()	mg_mqtt_next	func	struct mg_mqtt_session *mg_mqtt_next(struct mg_mqtt_broker *brk, struct mg_mqtt_session *s);

Iterates over all MQTT session connections. Example:

struct mg_mqtt_session *s;
for (s = mg_mqtt_next(brk, NULL); s != NULL; s = mg_mqtt_next(brk, s)) {
  // Do something
}