util.h

#ifndef __UTIL_H
#define __UTIL_H

#include <stdio.h>
#include <stdlib.h>

#define NEW(TYPE)					malloc(sizeof(TYPE))
#define NEW_EMPTY(TYPE)				calloc(sizeof(TYPE), 1)

#define CREATE(TYPE, VAR)			TYPE * VAR = NEW(TYPE)
#define CREATE_EMPTY(TYPE, VAR)		TYPE * VAR = NEW_EMPTY(TYPE)

#define READ_ARRAY(VAR, CNT, FP)	fread(VAR, sizeof(*(VAR)), (CNT), (FP))
#define READ(VAR, FP)				READ_ARRAY(&(VAR), 1, (FP))

#define LEN(A)						(sizeof(A)/sizeof(*(A)))

#include "demo.h"
#define CHECK(COND, ERRMSG)			if (!(COND)) yyerror(ERRMSG)

#endif