c语言 constant错误,求助大神指点，error C2059: syntax error : 'constant'

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#ifndef _FILEMANAGER_H_#define _FILEMANAGER_H_

#include /// Data Definition

// Function statustypedef int status;

#define ERROR -1

#define FAIL 0

#define OK 1

// Constant

#define NAMESIZE128

#define PATHSIZE128

#define TIMESIZE128

#define STACKSIZE128

typedef struct Time{

int year;

int month;

int day;

int hour;

int minute;

int second;

}

fileTime;

typedef struct File{

charname[NAMESIZE];

unsigned intattrib;

longsize;

fileTimecreationTime;

fileTimeeditTime;

fileTimefinalAccessTime;

charpath[PATHSIZE];

struct File*fileParent;

struct File*leftChild;

struct File*rightBrother;

}

file, folder,*folderHandle;

struct MSG{unsigned int MsgType;}MSG;

struct Exception{signed int ERROR;}EXPTION;

typedef struct stack{

folderHandle currentHandle[STACKSIZE];

int top;

int bottom;

}stack;