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DOS开发编程 & 发展交流（开发室） » [Help] How to get drive letters when programming under DOS?

Floor1　冷石_jasv	Posted 2004-02-01 00:00
初级用户　Posts 27　Credits 182
How can I get the drive letters on a computer with no CD-ROM installed under pure DOS? For example: the computer has A: C: D: one floppy drive, two hard disk partitions How can I get the drive letters of these three drives, The purpose is to store the drive letters into a string array pan$(0 to 255), so that different computers' drive letters can be identified automatically Hope all you experts can help me!

Floor2　Wengier	Posted 2004-02-02 00:00
系统支持　Posts 10,521　Credits 27,736
Try this: http://newdos.yginfo.net/upload/drvtypes.exe

Floor3　冷石_jasv	Posted 2004-02-02 00:00
初级用户　Posts 27　Credits 182
Ha, boss, what I want is the principle or the program itself

Floor4　gmy	Posted 2004-02-02 00:00
版主　Posts 392　Credits 1,113
Your spirit is admirable, but when using pliers do you also need to know how they were manufactured??? What I mean is, for such a small function there's no need to go further and discuss it.

Floor5　冷石_jasv	Posted 2004-02-02 00:00
初级用户　Posts 27　Credits 182
Hey, I'm afraid that one day I'll be thrown into the desert. Not to mention pliers, even a needle I'd have to make myself Does any expert know?

Floor6　gmy	Posted 2004-02-02 00:00
版主　Posts 392　Credits 1,113
The first priority in getting into the desert is to find a water source! You're not from Jiangmin, are you? Unless you're making a DOS version antivirus program, otherwise it's not much use.

Floor7　冷石_jasv	Posted 2004-02-02 00:00
初级用户　Posts 27　Credits 182
Really, it takes all kinds. If you don't know yourself, then don't stop others from trying to figure it out I know CD-ROM drives can be handled with DOS interrupts, but for hard disks there doesn't seem to be that kind of interrupt Boss Wengier, do you have any way to solve this?