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minimal realpath implementation using /proc
[musl]
/
src
/
ctype
/
iswalnum.c
1
#include <wchar.h>
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#include <wctype.h>
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#undef iswalnum
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int iswalnum(wint_t wc)
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{
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return (unsigned)wc-'0' < 10 || iswalpha(wc);
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}