isupper           830 global/global.c 		if (isupper(firstchar[0]))
isupper           110 global/literal.c # define lca(x) (isupper(x) ? tolower(x) : x)
isupper           101 gtags-cscope/global-cscope.h # define	tolower(c)	(isupper(c) ? (c) - 'A' + 'a' : (c))	
isupper           214 libglibc/regex.c #define ISUPPER(c) (ISASCII (c) && isupper (c))