vc++ 获取当前用户名

 #include<afxwin.h>
 #include <stdio.h>

 int main(void)
 {
     char userName[MAX_PATH];
         unsigned long size=MAX_PATH;
         GetUserName(userName,&size);
     printf("我是%s\n",userName);
         ;
 }

做作业的时候用到了...所以贴上来...T.T