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11 lines
234 B
C
11 lines
234 B
C
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#include <wchar.h>
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size_t wcscspn(const wchar_t *s, const wchar_t *c)
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{
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const wchar_t *a;
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if (!c[0]) return wcslen(s);
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if (!c[1]) return (s=wcschr(a=s, *c)) ? s-a : wcslen(a);
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for (a=s; *s && !wcschr(c, *s); s++);
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return s-a;
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}
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