mongoose/docs/c-api/dns.h/mg_dns_copy_questions.md

title	decl_name	symbol_kind	signature
mg_dns_copy_questions()	mg_dns_copy_questions	func	int mg_dns_copy_questions(struct mbuf *io, struct mg_dns_message *msg);

Appends already encoded questions from an existing message.

This is useful when generating a DNS reply message which includes all question records.

Returns the number of appened bytes.