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

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

Inserts a DNS header to an IO buffer.

Returns the number of bytes inserted.