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#include <wctype.h> #include "libc.h" int iswlower(wint_t wc) { return towupper(wc) != wc || wc == 0xdf; } int __iswlower_l(wint_t c, locale_t l) { return iswlower(c); } weak_alias(__iswlower_l, iswlower_l);