wcsspn.c - scc - simple c99 compiler
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       ---
       wcsspn.c (218B)
       ---
            1 #include <wchar.h>
            2 
            3 #undef wcsspn
            4 
            5 size_t
            6 wcsspn(const wchar_t *s, const wchar_t *accept)
            7 {
            8         wchar_t wc;
            9         const wchar_t *p;
           10 
           11         for (p = s; (wc = *p) && wcschr(accept, wc); p++)
           12                 ;
           13         return p - s;
           14 }