//#define ALLOC(t,n) (t *)calloc(sizeof(t),(n)) 

	/* Allocates an array of objects using malloc() */
#define ALLOC(type, number) \
		((type *)calloc(sizeof(type), number))

#define log_err_printf(fmt, args...)   \
    fprintf(stderr, "file %s, line %d, " fmt, \
                       __FILE__, __LINE__, ##args)
#define log_dbg_printf(fmt, args...)   \
    fprintf(stdout, "file %s, line %d, " fmt, \
                       __FILE__, __LINE__, ##args)
#define likely(expr)    __builtin_expect((expr), 1)
#define unlikely(expr)  __builtin_expect((expr), 0)

int addr_sock2layer(struct sockaddr * sock_addr, int sockaddrlen, struct layer_addr* layer_addr);
int addr_layer2sock(struct layer_addr* layer_addr,struct sockaddr * sock_addr);
char* tfe_strdup(const char* s);