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#include <wchar.h> wchar_t *wcsncat(wchar_t *restrict d, const wchar_t *restrict s, size_t n) { wchar_t *a = d; d += wcslen(d); while (n && *s) n--, *d++ = *s++; *d++ = 0; return a; } #ifdef TEST int main(void) { return 0; } #endif