使用GetLogicalDrives获取卷标

#include<stdio.h>
#include<windows.h>

int main()
{
DWORD dwLogical= GetLogicalDrives();
char c='A';
int count=0;
while(dwLogical)
{
if(dwLogical & 0x01)
{
printf("%c\n",c);
count++;
}

dwLogical>>=1;
c++;
}

printf("总共有 %d 个盘。\n",count);
return 0;
}