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Pointer to variable that will receive the return error code from this function. See Note #2.
FS_ERR_NONE
Volume opened.
FS_ERR_DEV_VOL_OPEN
Volume open on device.
FS_ERR_INVALID_SIG
Invalid MBR signature.
FS_ERR_NAME_NULL
Argument name_vol / name_dev passed a NULL pointer.
FS_ERR_PARTITION_INVALID_NBR
Invalid partition number.
FS_ERR_PARTITION_NOT_FOUND
Partition not found.
FS_ERR_VOL_ALREADY_OPEN
Volume is already open.
FS_ERR_VOL_INVALID_NAME
Volume name invalid.
FS_ERR_VOL_NONE_AVAIL
No volumes available.
Or device access error (see section B-4 “Device Error Codes”).
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