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#if 0
#include <wchar.h>
#include "_safety.h"
size_t wcscspn(const wchar_t * s1, const wchar_t * s2)
{
SIGNAL_SAFE(0);
size_t i;
ASSERT_NONNULL(s1);
ASSERT_NONNULL(s2);
/* TODO: overlap */
for (i = 0; s1[i] != L'\0'; i++) {
if (s1[i] == L'\0' || wcschr(s2, s1[i]) == NULL) {
return i;
}
}
return 0;
}
/*
STDC(199409)
*/
#endif
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