mongoose/docs/c-api/http.h/mg_printf_http_chunk.md

title	decl_name	symbol_kind	signature
mg_printf_http_chunk()	mg_printf_http_chunk	func	void mg_printf_http_chunk(struct mg_connection *nc, const char *fmt, ...);

Sends a printf-formatted HTTP chunk. Functionality is similar to mg_send_http_chunk().