scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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wcscspn.c (214B)

      1 #include <wchar.h>
      2 
      3 #undef wcscspn
      4 
      5 size_t
      6 wcscspn(const wchar_t *s, const wchar_t *reject)
      7 {
      8 	wchar_t wc;
      9 	const wchar_t *p;
     10 
     11         for (p = s; (wc = *p) && !wcschr(reject, wc); p++)
     12 		;
     13         return p - s;
     14 }