Variables starting with `u' in mint

• _ubconstat mint/syscall.spp:77
• _ubcostat mint/syscall.spp:77
• u_drvs mint/unifs.c:69
• unaligned mint/quickmov.spp:43
• unused1 mint/file.h:635
• unwound_stack mint/signal.c:322
• update_stksize mint/update.c:28
• uptime mint/loadave.h:10
• uptimetick mint/proc.c:871
• u_root mint/unifs.c:70
• use_regions mint/mem.c:54
• usiglst mint/dossig.c:232
• usp mint/context.spp:113