ISALPHA           134 ddb/db_hangman.c 		if (ISALPHA(*p))
ISALPHA           237 ddb/db_hangman.c 				if (ISALPHA(*p))
ISALPHA           494 kern/tty.c     			ctype = ISALPHA(c);
ISALPHA           504 kern/tty.c     			    (alt == 0 || ISALPHA(c) == ctype));