cpp + win32 + disk-io

A snippet that reports a drive's type and its total, free and available space in megabytes.

A C program that queries a drive's volume name, file system, and capability flags with GetVolumeInformation.

A console snippet that walks every drive letter and reports its type with GetDriveType.

A console snippet that opens a raw disk handle and issues an IOCTL_STORAGE_EJECT_MEDIA control code.