wt 2288 libglibc/regex.c wctype_t wt; wt 2291 libglibc/regex.c wt = IS_CHAR_CLASS (str); wt 2292 libglibc/regex.c if (wt == 0) wt 2304 libglibc/regex.c if (__iswctype (__btowc (ch), wt)) wt 2307 libglibc/regex.c if (iswctype (btowc (ch), wt))