int_fast8_t
CHECK_STYPE(int_fast8_t, INT_FAST8);
SNPRINTF_TEST("0", "%wf8d", (int_fast8_t)0);
SNPRINTF_TEST("-2147483648", "%wf8d", (int_fast8_t)INT_MIN);
SNPRINTF_TEST("2147483647", "%wf8d", (int_fast8_t)INT_MAX);
SWPRINTF_TEST("0", "%wf8d", (int_fast8_t)0);
SWPRINTF_TEST("-2147483648", "%wf8d", (int_fast8_t)INT_MIN);
SWPRINTF_TEST("2147483647", "%wf8d", (int_fast8_t)INT_MAX);