#define LOGIN_ADDR "tcp!login.oscar.aol.com!5190"#define MAXMSGLEN 2544#define MD5_STRING "AOL Instant Messenger (SM)" typedef struct flap {	uchar channel;	ushort length;	ushort offset;	uchar *data;} flap; typedef struct flapconn {	int fd;	ushort seq;} flapconn; typedef struct snac {	ushort family;	ushort subtype;	ushort flags;	uint reqid;} snac; typedef struct tlv {	ushort type;	ushort length;	uchar *value;} tlv;