mongoose/docs/c-api/coap.h/mg_coap_free_options.md

title	decl_name	symbol_kind	signature
mg_coap_free_options()	mg_coap_free_options	func	void mg_coap_free_options(struct mg_coap_message *cm);

Frees the memory allocated for options. If the cm paramater doesn't contain any option it does nothing.