mongoose/docs/c-api/mg_net.h/mg_next.md

title	decl_name	symbol_kind	signature
mg_next()	mg_next	func	struct mg_connection *mg_next(struct mg_mgr *mgr, struct mg_connection *c);

Iterates over all active connections.

Returns the next connection from the list of active connections or NULL if there are no more connections. Below is the iteration idiom:

for (c = mg_next(srv, NULL); c != NULL; c = mg_next(srv, c)) {
  // Do something with connection `c`
}