isupper           161 kern/tty.c     #define	isupper(c)	((c) >= 'A' && (c) <= 'Z')
isupper           117 lib/libsa/stand.h #define isupper(c)	((c) >= 'A' && (c) <= 'Z')
isupper          1470 netinet6/icmp6.c #define isupper(x) ('A' <= (x) && (x) <= 'Z')