Defines starting with `u' in bsd/sys

• UF_APPEND bsd/sys/stat.h:195
• UF_EXCLOSE bsd/sys/filedesc.h:93
• UF_IMMUTABLE bsd/sys/stat.h:194
• UF_MAPPED bsd/sys/filedesc.h:94
• UF_NODUMP bsd/sys/stat.h:193
• UF_OPAQUE bsd/sys/stat.h:196
• UF_RESERVED bsd/sys/filedesc.h:95
• UF_SETTABLE bsd/sys/stat.h:192
• UID_MAX bsd/sys/syslimits.h:71
• UIO_MAXIOV bsd/sys/uio.h:93
• UIO_SMALLIOV bsd/sys/uio.h:94
• USER_BC_BASE_MAX bsd/sys/sysctl.h:489
• USER_BC_DIM_MAX bsd/sys/sysctl.h:490
• USER_BC_SCALE_MAX bsd/sys/sysctl.h:491
• USER_BC_STRING_MAX bsd/sys/sysctl.h:492
• USER_COLL_WEIGHTS_MAX bsd/sys/sysctl.h:493
• USER_CS_PATH bsd/sys/sysctl.h:488
• USER_EXPR_NEST_MAX bsd/sys/sysctl.h:494
• USER_LINE_MAX bsd/sys/sysctl.h:495
• USER_MAXID bsd/sys/sysctl.h:508
• USER_POSIX2_C_BIND bsd/sys/sysctl.h:498
• USER_POSIX2_C_DEV bsd/sys/sysctl.h:499
• USER_POSIX2_CHAR_TERM bsd/sys/sysctl.h:500
• USER_POSIX2_FORT_DEV bsd/sys/sysctl.h:501
• USER_POSIX2_FORT_RUN bsd/sys/sysctl.h:502
• USER_POSIX2_LOCALEDEF bsd/sys/sysctl.h:503
• USER_POSIX2_SW_DEV bsd/sys/sysctl.h:504
• USER_POSIX2_UPE bsd/sys/sysctl.h:505
• USER_POSIX2_VERSION bsd/sys/sysctl.h:497
• USER_RE_DUP_MAX bsd/sys/sysctl.h:496
• USER_STREAM_MAX bsd/sys/sysctl.h:506
• USER_TZNAME_MAX bsd/sys/sysctl.h:507