Typedefs starting with `x' in bsd/dev/ppc/drvUSBCMD

• XCInfoPBPtr bsd/dev/ppc/drvUSBCMD/files.h:543
• XIOParamPtr bsd/dev/ppc/drvUSBCMD/files.h:849
• XVolumeParamPtr bsd/dev/ppc/drvUSBCMD/files.h:888