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Viet-Trung Luu96b05c12016-01-11 11:26:36 -08001#include <wchar.h>
2
George Kulakowski17e3b042016-02-18 15:59:50 -08003size_t wcsspn(const wchar_t* s, const wchar_t* c) {
4 const wchar_t* a;
5 for (a = s; *s && wcschr(c, *s); s++)
6 ;
7 return s - a;
Viet-Trung Luu96b05c12016-01-11 11:26:36 -08008}