int_fast16_t
CHECK_STYPE(int_fast16_t, INT_FAST16);
SNPRINTF_TEST("0", "%wf16d", (int_fast16_t)0);
SNPRINTF_TEST("-2147483648", "%wf16d", (int_fast16_t)INT_MIN);
SNPRINTF_TEST("2147483647", "%wf16d", (int_fast16_t)INT_MAX);
SWPRINTF_TEST("0", "%wf16d", (int_fast16_t)0);
SWPRINTF_TEST("-2147483648", "%wf16d", (int_fast16_t)INT_MIN);
SWPRINTF_TEST("2147483647", "%wf16d", (int_fast16_t)INT_MAX);