mongoose/docs/c-api/mg_util.h/mg_hexdump_connection.md

title	decl_name	symbol_kind	signature
mg_hexdump_connection()	mg_hexdump_connection	func	void mg_hexdump_connection(struct mg_connection *nc, const char *path, const void *buf, int num_bytes, int ev);

Generates human-readable hexdump of the data sent or received by the connection. path is a file name where hexdump should be written. num_bytes is a number of bytes sent/received. ev is one of the MG_* events sent to an event handler. This function is supposed to be called from the event handler.