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#include <wctype.h> #include "libc.h" int iswcntrl(wint_t wc) { return (unsigned)wc < 32 || (unsigned)(wc-0x7f) < 33 || (unsigned)(wc-0x2028) < 2 || (unsigned)(wc-0xfff9) < 3; } int __iswcntrl_l(wint_t c, locale_t l) { return iswcntrl(c); } weak_alias(__iswcntrl_l, iswcntrl_l);