GetOSUserName() 获取系统用户名函数

#pragma comment(lib,"Netapi32.lib")
#include <BaseTsd.h>
#include <Lm.h>
#include <LMERR.H> 
#include <LMAPIBUF.H> 
#include <vector> 

vector<CString> m_account; 


void GetOSUserName() 

{ 

    LPUSER_INFO_1 pBuf = NULL; 

    LPUSER_INFO_1 pTmpBuf ; 

    DWORD dwLevel = 1; 

    DWORD dwPrefMaxLen = -1; 

    DWORD dwEntriesRead = 0; 

    DWORD dwTotalEntries = 0; 

    DWORD dwResumeHandle = 0; 

    NET_API_STATUS nStatus; 

    LPTSTR pszServerName = NULL; 

    nStatus = NetUserEnum( (LPCWSTR) pszServerName , dwLevel , FILTER_NORMAL_ACCOUNT , 

        (LPBYTE*)&pBuf, dwPrefMaxLen , &dwEntriesRead , &dwTotalEntries , &dwResumeHandle ); 

    if( ( nStatus == NERR_Success ) || ( nStatus == ERROR_MORE_DATA ) ) 
    { 
        if( ( pTmpBuf=pBuf )!=NULL ) 
        { 
            for( DWORD i = 0; i < dwEntriesRead ; ++i ) 

            { 
                CString csFlag; 

                csFlag.Format( _T( "%s,%ld" ) , pTmpBuf->usri1_name , pBuf->usri1_priv ); 
//得到用户名 判断权限 和名称排除
                if( pTmpBuf->usri1_priv == USER_PRIV_ADMIN || pTmpBuf->usri1_priv == USER_PRIV_USER && 
　　                  ( CString ( pTmpBuf->usri1_name ) != "ASPNET" ) ) 
                { 
                    m_account.push_back( (CString) pTmpBuf->usri1_name ); 
                } 

                pTmpBuf++; 
            } 
        } 
    } 
    else 
    { 
        ::MessageBox( NULL , _T("A system error has occurred") , _T("ERROR") , MB_OK ); 
    } 
    if( pBuf != NULL ) 

    { 
        //NetApiBufferFree( pBuf ); 
        pBuf = NULL; 
    } 
    while ( nStatus == ERROR_MORE_DATA ); 
    if (pBuf != NULL) 
        NetApiBufferFree( pBuf ); 
}