MASK_ISSET        218 src/char.c             if (MASK_ISSET(cs, code) && prev < 0) {
MASK_ISSET        222 src/char.c             else if (!MASK_ISSET(cs, code) && prev >= 0) {
MASK_ISSET        517 src/char.c             if (MASK_ISSET(cs, ch) || MASK_ISSET(cs, (ch-('a'-'A')))) {
MASK_ISSET        532 src/char.c         if (c < SCM_CHARSET_MASK_CHARS) return MASK_ISSET(cs, c);
MASK_ISSET        554 src/char.c             int bit = MASK_ISSET(cs, ind);