-#define print_bin4(i) xprintf("%04b", i)
-#define print_bin8(i) xprintf("%08b", i)
-#define print_bin16(i) xprintf("%016b", i)
-#define print_bin32(i) xprintf("%032lb", i)
-
-#define print_bin_reverse8(i) xprintf("%08b", bitrev(i))
-#define print_bin_reverse16(i) xprintf("%016b", bitrev16(i))
-#define print_bin_reverse32(i) xprintf("%032lb", bitrev32(i))
-
-#ifdef __cplusplus
-}
-#endif
-
-#else
-
+#define print_bin4(i) xprintf("%04b", i)
+#define print_bin8(i) xprintf("%08b", i)
+#define print_bin16(i) xprintf("%016b", i)
+#define print_bin32(i) xprintf("%032lb", i)
+#define print_bin_reverse8(i) xprintf("%08b", bitrev(i))
+#define print_bin_reverse16(i) xprintf("%016b", bitrev16(i))
+#define print_bin_reverse32(i) xprintf("%032lb", bitrev32(i))
+/* print value utility */
+#define print_val_dec(v) xprintf(#v ": %u\n", v)
+#define print_val_decs(v) xprintf(#v ": %d\n", v)
+#define print_val_hex8(v) xprintf(#v ": %X\n", v)
+#define print_val_hex16(v) xprintf(#v ": %02X\n", v)
+#define print_val_hex32(v) xprintf(#v ": %04lX\n", v)
+#define print_val_bin8(v) xprintf(#v ": %08b\n", v)
+#define print_val_bin16(v) xprintf(#v ": %016b\n", v)
+#define print_val_bin32(v) xprintf(#v ": %032lb\n", v)
+#define print_val_bin_reverse8(v) xprintf(#v ": %08b\n", bitrev(v))
+#define print_val_bin_reverse16(v) xprintf(#v ": %016b\n", bitrev16(v))
+#define print_val_bin_reverse32(v) xprintf(#v ": %032lb\n", bitrev32(v))
+
+#else /* NO_PRINT */
+
+#define xprintf
+#define print
+#define println