All symbols starting with `u' in osfmk/mach/ppc

• u osfmk/mach/ppc/processor_info.h:129
• uint32 osfmk/mach/ppc/vm_types.h:166
• unsigned32 osfmk/mach/ppc/machine_types.defs:78
• USER_STACK_END osfmk/mach/ppc/vm_param.h:41