Defines starting with `u' in osfmk/i386

• UCHAR_MAX osfmk/i386/machlimits.h:51
• UINT_MAX osfmk/i386/machlimits.h:59
• ULONG_MAX osfmk/i386/machlimits.h:63
• UNLOCK_AND_DEALLOCATE osfmk/i386/read_fault.c:150
• USER_CS osfmk/i386/seg.h:151
• USER_DS osfmk/i386/seg.h:152
• USER_FPREGS osfmk/i386/seg.h:173
• USER_LDT osfmk/i386/seg.h:168
• USER_RPC osfmk/i386/seg.h:150
• USER_SCALL osfmk/i386/seg.h:149
• USER_TSS osfmk/i386/seg.h:169
• USHRT_MAX osfmk/i386/machlimits.h:55
• USIMPLE_LOCK_CALLS osfmk/i386/lock.h:300
• USRSTACK osfmk/i386/bsd_i386.c:57