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long lSizeOfFile;
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#include "stdafx.h"
#include "stdio.h"
#include
#include
#include int getfilesize()
{
    int iresult;
    struct _stat buf;
    iresult = _stat(__FILE__,&buf);
    if(iresult == 0)
    {
        return buf.st_size;
    }
    return NULL;
} int getfilesize01()
{
    int fp;
    fp=_open(__FILE__,_O_RDONLY);
    if(fp==-1)
        return NULL;
    return _filelength(fp);
    //return NULL;
} int getfilesize02()
{
    int fp;
    fp=_open(__FILE__,_O_RDONLY);
    if(fp==-1)
        return NULL;
    return _lseek(fp,0,SEEK_END);
    //return NULL;
} int getfilesize03()
{
    int fp;
    fp=_open(__FILE__,_O_RDONLY);
    if(fp==-1)
        return NULL;
    return _lseek(fp,0,SEEK_END);
    //return NULL;
} int getfilesize04()
{
    FILE *fp;
    if((fp=fopen(__FILE__,"r"))==NULL)
        return 0;
    fseek(fp,0,SEEK_END);
    return ftell(fp);    //return NULL;
} int g