dns: fix workaround for systems defaulting to ipv6-only sockets
[musl] / src / ctype / iswcntrl.c
1 #include <wctype.h>
2
3 int iswcntrl(wint_t wc)
4 {
5         return (unsigned)wc < 32
6             || (unsigned)(wc-0x7f) < 33
7             || (unsigned)(wc-0x2028) < 2
8             || (unsigned)(wc-0xfff9) < 3;
9 }
10
11 int __iswcntrl_l(wint_t c, locale_t l)
12 {
13         return iswcntrl(c);
14 }
15
16 weak_alias(__iswcntrl_l, iswcntrl_l);