ISLOWALPHA 53 ddb/db_hangman.c #define ISALPHA(c) ISLOWALPHA(TOLOWER(c)) ISLOWALPHA 156 ddb/db_hangman.c cnputc(ISLOWALPHA(c) && ABC_ISCLR(c) ? '-' : *p); ISLOWALPHA 212 ddb/db_hangman.c if (ISLOWALPHA(c) && ABC_ISCLR(c)) {