#define START 257
#define END 258
#define SEND 259
#define RECV 260
#define ICMP 261
#define UDP 262
#define TCP 263
#define SPORT 264
#define DPORT 265
#define SEQ 266
#define ID 267
#define TYPE 268
#define CODE 269
#define DATA 270
#define ACK 271
#define WIN 272
#define NMATCH 273
#define QSTRING 274
typedef union {
	char *string;
	u_short us;
	u_long ul;
} YYSTYPE;
extern YYSTYPE yylval;