Latest compatible version of Classicube from the original GitHub repository (https://github.com/ClassiCube/ClassiCube) that can be compiled on Classicube for PowerMac PPC running Mac OS X 10.4.

third_party/dsiwifi/arm_iop/source/utils.twl.c

@@ -0,0 +1,24 @@
+#include "utils.h"
+
+#include "wifi_debug.h"
+
+void hexdump(const void* data, size_t size)
+{
+    u32 offset = 0;
+    const size_t line_max = 12;
+
+    while(size)
+    {
+        size_t current_size = min(line_max, size);
+
+        for(int i = 0; i < current_size; i++)
+        {
+            wifi_printf("%02X ", ((u8*)data)[offset + i]);
+        }
+
+        wifi_printf("\n");
+
+        size -= current_size;
+        offset += current_size;
+    }
+}