Macros starting with `u' in osfmk/kern

• ulock_lock osfmk/kern/sync_lock.h:98
• ulock_lock_init osfmk/kern/sync_lock.h:96
• ulock_ownership_clear osfmk/kern/sync_lock.c:61
• ulock_ownership_set osfmk/kern/sync_lock.c:51
• ulock_unlock osfmk/kern/sync_lock.h:99
• unlock_swap_state osfmk/kern/thread_swap.c:407
• unlock_zone osfmk/kern/zalloc.c:226
• unlock_zone_page_table osfmk/kern/zalloc.c:164
• USLOCK_CHECKING osfmk/kern/lock.c:428