link时出错，以前的贴子不能解决，请高手帮帮忙

[sell=50,]  小弟是初学，比较急，请各位大哥帮帮忙
--------------------Configuration: SWFaxModem - Win32 Debug--------------------
Compiling...
init.c
D:\Source Code\WinMDM\Synway fax modm drive\init.c(556) : warning C4244: '+=' : conversion from 'unsigned long ' to 'unsigned short ', possible loss of data
Linking...
init.obj : error LNK2001: unresolved external symbol __imp__KeInitializeEvent
pnp.obj : error LNK2001: unresolved external symbol __imp__KeInitializeEvent
init.obj : error LNK2001: unresolved external symbol __imp__IoDeleteDevice
pnp.obj : error LNK2001: unresolved external symbol __imp__IoDeleteDevice
init.obj : error LNK2001: unresolved external symbol __imp__IoAttachDeviceToDeviceStack
init.obj : error LNK2001: unresolved external symbol __imp__IoCreateDevice
init.obj : error LNK2001: unresolved external symbol __imp__IoDeleteSymbolicLink
init.obj : error LNK2001: unresolved external symbol __imp__IoCreateSymbolicLink
init.obj : error LNK2001: unresolved external symbol __imp__IoGetDeviceProperty
init.obj : error LNK2001: unresolved external symbol __imp__IoOpenDeviceRegistryKey
ioctl.obj : error LNK2001: unresolved external symbol __imp__IoReleaseCancelSpinLock
readwrit.obj : error LNK2001: unresolved external symbol __imp__IoReleaseCancelSpinLock
ioctl.obj : error LNK2001: unresolved external symbol __imp__IoAcquireCancelSpinLock
readwrit.obj : error LNK2001: unresolved external symbol __imp__IoAcquireCancelSpinLock
pnp.obj : error LNK2001: unresolved external symbol __imp__KeSetEvent
util.obj : error LNK2001: unresolved external symbol __imp__KeSetEvent
pnp.obj : error LNK2001: unresolved external symbol __imp__IoDetachDevice
pnp.obj : error LNK2001: unresolved external symbol __imp__KeWaitForSingleObject
Debug/SWFaxModem.SYS : fatal error LNK1120: 13 unresolved externals
Error executing link.exe.
Creating browse info file...

SWFaxModem.SYS - 19 error(s), 1 warning(s)[/sell]

按以前的帖子解决方法加了
#ifdef __cplusplus
extern "C" {
#endif
//#include "wdm.h"
#include <ntddk.h>
#include <ntddser.h>
#ifdef __cplusplus
}
#endif
错误还是同上

这明显是缺库
到ddk目录下,用windows的搜索功能搜索.

to :znsoft
请教一下具体缺了哪个库，这些函数我在WDM。LIB里都可以找到，也已经加了。