引入一个折中的不定参方案

include/utils.h

@@ -8,6 +8,20 @@
 #define into_bytes(addr) ((u8 *)(addr))
 #define bytes_into(bytes, type) ((type *)(bytes))
 
-void pointer_to_string(u64 addr, char * dest);
+void pointer_to_string(u64 addr, char *dest);
+
+typedef struct __va_args
+{
+    usize length;
+    void *args[0];
+} va_args;
+
+#define va_args_gen(result, length) \
+    void *__reserved__[length];     \
+    va_args __va_args__;            \
+    result = &__va_args__;
+
+#define va_args_set(vaargs, index, val) \
+    vaargs->args[index] = &val;
 
 #endif