写多线程程序时，我用了互斥对象，但是编译时老报错，老说我没定义，这是为什么呢？


部分代码如下
//创建互斥对象
HANDLE hmutext;
hmutext=CreateMutext(NULL,false,NULL);
WaitForSingleObject(hmutext,INFINITE);
......
ReleaseMutext(hmutext);

Runs on Versions Defined in Include Link to
Windows CE OS 1.01 and later Winbase.h Coredll.lib, Nk.lib