oci连接oracle数据库出错
程序网上下的，如下：
#include <stdio.h>  
#include <stdlib.h>
#include <string.h>  
#include <oci.h>  

#pragma comment(lib,"kpucb.lib")
#pragma comment(lib,"oci.lib")
#pragma comment(lib,"ociw32.lib")
#pragma comment(lib,"oraocci11.lib")

int main(int argc,char** argv)  
{  
int nRet;  
OCIEnv* phOCIEnv; //OCI环境句柄  
OCIError* phOCIErr; //OCI错误句柄  
OCISvcCtx* phOCIConn; //OCI数据库服务连接句柄  
 
char acDBName[20],acUserName[20],acPwd[20];  
 
//初始化OCI应用环境  
nRet = OCIInitialize((ub4)OCI_DEFAULT,(dvoid*)0,(dvoid* (*)(dvoid*,size_t))0,(dvoid* (*)(dvoid*,dvoid*,size_t))0,(void (*)(dvoid*,dvoid*))0);  
if(nRet)  
{  
printf("OCIInitialize() Failed: %d\n",(int)OCI_ERROR);  
return (int)OCI_ERROR;  
}  
 
//初始化OCI环境句柄(由系统来负责分配OCI环境句柄)  
nRet = OCIEnvInit(&phOCIEnv,(ub4)OCI_DEFAULT,(size_t)0,(dvoid**)0);  
if(nRet)  
{  
printf("OCIEnvInit() Failed: %d\n",(int)OCI_ERROR);  
return (int)OCI_ERROR;  
}  
 
//在OCI应用环境中依据OCI环境句柄来分配OCI的错误报告句柄  
nRet = OCIHandleAlloc((dvoid*)phOCIEnv,(dvoid**)&phOCIErr,(ub4)OCI_HTYPE_ERROR,(size_t)0,(dvoid**)0);  
if(nRet)  
{  
printf("OCIHandleAlloc() Failed: %d\n",(int)OCI_ERROR);  
return (int)OCI_ERROR;  
}  
 
//建立与Oracle的连接  
memset(acDBName,0,sizeof(acDBName));  
memset(acUserName,0,sizeof(acUserName));  
memset(acPwd,0,sizeof(acPwd));  
 
strcpy(acDBName,"ora9");  
strcpy(acUserName,"sxitismg");  
strcpy(acPwd,"sxitismg");  
 
//连接数据库  
nRet = OCILogon(phOCIEnv,phOCIErr,&phOCIConn,(text*)acUserName,strlen(acUserName),(text*)acPwd,strlen(acPwd),
(OraText*)acDBName,strlen(acDBName));  
if(nRet)  
{  
printf("Connection Failed: %d\n\n",nRet);  
exit(1);  
}  
printf("Connection OK: %d\n",nRet);  
 
printf("执行一些SQL语句和数据库操作命令 ......\n\n");  
 
//断开与数据库的连接  
nRet = OCILogoff(phOCIConn,phOCIErr);  
if(nRet)  
{  
printf("OCILogoff() Failed.\n\n");  
}  
else 
{  
printf("Connecttion closed.\n\n");  
}  
//连接已经断开,把连接句柄置为空  
phOCIConn = NULL;  
 
//销毁OCI应用环境与相关的句柄  
if(phOCIErr)  
{  
OCIHandleFree((dvoid*)phOCIErr,OCI_HTYPE_ERROR);  
printf("OCI错误报告句柄已经释放.\n\n");  
}  
 
if(phOCIEnv)  
{  
OCIHandleFree((dvoid*)phOCIEnv,(ub4)OCI_HTYPE_ENV);  
printf("OCI环境句柄已经释放.\n\n");  
}  
printf("OCI环境释放结束.\n\n");  
return 0;  
} 


提示错误：
1>oci_test.obj : error LNK2019: unresolved external symbol _OCIHandleFree referenced in function _main
1>oci_test.obj : error LNK2019: unresolved external symbol _OCILogoff referenced in function _main
1>oci_test.obj : error LNK2019: unresolved external symbol _OCILogon referenced in function _main
1>oci_test.obj : error LNK2019: unresolved external symbol _OCIHandleAlloc referenced in function _main
1>oci_test.obj : error LNK2019: unresolved external symb