toupper           121 dev/isa/spkr.c #define toupper(c)	((c) - ' ' * (((c) >= 'a') && ((c) <= 'z')))
toupper           164 kern/tty.c     #define	toupper(c)	((c) - 'a' + 'A')
toupper           121 lib/libsa/stand.h #define toupper(c)	(islower(c)?((c) - 'a' + 'A'):(c))