blob: c4e52722e11d8d5cccb862a95a93dab2564dcc6a [file] [log] [blame] [edit]
#include <wchar.h>
size_t wcscspn(const wchar_t *s, const wchar_t *c)
{
const wchar_t *a;
if (!c[0]) return wcslen(s);
if (!c[1]) return (s=wcschr(a=s, *c)) ? s-a : wcslen(a);
for (a=s; *s && !wcschr(c, *s); s++);
return s-a;
}