# mfsRamSetVolumeAttr

    Format:	s32 mfsRamSetVolumeAttr(u8 attr)
    Arguments:	attr		Attribute
    Return value:Error
    Function:	Sets volume attribute
    Description:	This function sets the volume attribute.
    The following attributes can be specified.

    	MFS_VOLUME_ATTR_VPROTECT_WRITE	0x20	Volume write protected
    	MFS_VOLUME_ATTR_VPROTECT_READ	0x40	Volume read protected
    	MFS_VOLUME_ATTR_WPROTECT 	0x80	Write protected

    When the MFS_VOLUME_ATTR_VPROTECT_WRITE bit is 1, it indicates that the disk is write protected from other games.
    The disk can be written to only when the company code and game code specified by the mfsInit*() or mfsSetGameCode() function match the company code and game code written in the system ID area of the disk.

    When the MFS_VOLUME_ATTR_VPROTECT_READ bit is 1, it indicates that the disk is read protected from other games.
    The disk can be read from only when the company code and game code specified by the mfsInit*() or mfsSetGameCode() function match the company code and game code written in the system ID area of the disk.

    When MFS_VOLUME_ATTR_WPROTECT is specified, the disk is write protected from all games.

    Main errors:
    	MFS_ERR_NO	Normal termination
    	MFS_ERR_NOTMFSDISK	Not an MFS-format disk
    			The disk ID's disk use is not 1, or the header is different.
    	MFS_ERR_VERSION	Different version MFS-format disk
                              The version is an unsupported version.
    	MFS_ERR_PROTECT	Write protected
                              The medium is volume protected.