test_xfunction 20 maint/gnulib/tests/unistdio/test-u16-printf1.h test_xfunction (uint16_t * (*my_xasprintf) (const char *, ...)) test_xfunction 20 maint/gnulib/tests/unistdio/test-u32-printf1.h test_xfunction (uint32_t * (*my_xasprintf) (const char *, ...)) test_xfunction 20 maint/gnulib/tests/unistdio/test-u8-printf1.h test_xfunction (uint8_t * (*my_xasprintf) (const char *, ...)) test_xfunction 20 maint/gnulib/tests/unistdio/test-ulc-printf1.h test_xfunction (char * (*my_xasprintf) (const char *, ...))