谁能写个C++(VC无关)连接数据库的程序

谁能写个C++(VC无关)连接SQLserver数据库的程序来参考一下,非常感谢!

// database.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"

#define DBNTWIN32

#include <stdio.h>
#include <windows.h>
#include "sqlfront.h"
#include "sqldb.h"

#pragma comment(lib,"NTWDBLIB.LIB")

int err_handler(PDBPROCESS,INT,INT,INT,LPCSTR,LPCSTR);
int msg_handler(PDBPROCESS,DBINT,INT,INT,LPCSTR,LPCSTR,
LPCSTR,DBUSMALLINT);
int main()
{
PDBPROCESS sqlcmd; // The connection with SQL Server.
PLOGINREC login; // The login information.
DBCHAR name[100];
DBCHAR city[100];

// Install user-supplied error- and message-handling functions.
dberrhandle(err_handler);
dbmsghandle(msg_handler);

// Initialize DB-Library.
dbinit();

// Get a LOGINREC.
login=dblogin();
DBSETLUSER(login,"user"); //登录用户名
DBSETLPWD(login,"sqluser"); //登录密码
//DBSETLAPP(login,"test_xhz"); //登录数据库名

// Get a DBPROCESS structure for communication with SQL Server.
sqlcmd=dbopen(login,".");

// Retrieve some columns from the "authors" table in the
// "pubs" database.

// First, put the command into the command buffer.
dbcmd(sqlcmd,"select * from angel..cpb"); //执行数据库命令

// Send the command to SQL Server and start execution.
dbsqlexec(sqlcmd);

// Process the results.
if (dbresults(sqlcmd)==SUCCEED)
{
// Bind column to program variables.
dbbind(sqlcmd,1,NTBSTRINGBIND,0,(LPBYTE)name);
dbbind(sqlcmd,2,NTBSTRINGBIND,0,(unsigned char *)city);

// Retrieve and print the result rows.
while (dbnextrow(sqlcmd)!=NO_MORE_ROWS)
{
printf("%s from %s\n",name,city);
}
}

// Close the connection to SQL Server.
dbexit();

return (0);
}

int err_handler(PDBPROCESS sqlcmd,INT severity,
INT dberr,INT oserr,LPCSTR dberrstr,LPCSTR oserrstr)
{
printf ("DB-Library Error %i: %s\n",dberr,dberrstr);
if(oserr!=DBNOERR)
{
printf ("Operating System Error %i: %s\n",oserr,oserrstr);
}
return (INT_CANCEL);
}

int msg_handler (PDBPROCESS sqlcmd,DBINT msgno,INT msgstate,
INT severity,LPCSTR msgtext,LPCSTR server,
LPCSTR procedure,DBUSMALLINT line)
{
printf("SQL Server Message %ld: %s\n",msgno,msgtext);
return (0);
}

http://www.vckbase.com/document/viewdoc/?id=1304 这里面有很详细