move user stuff to user

c_os/user/MyLib.h

@@ -0,0 +1,23 @@
+#ifndef __MYSTDLIB_INCLUDE_H_
+#define __MYSTDLIB_INCLUDE_H_
+
+namespace mmem {
+    template<typename T>
+    void memcpy(T* destination, T* source, unsigned int count = 1) {
+        for (unsigned int i = 0; i < count; ++i) {
+            *(destination + i) = *(source + i);
+        }
+    }
+
+    void memset(char* destination, char value, unsigned int bytes);
+
+    template<typename T>
+    void zero(T* destination) {
+        mmem::memset((char*)destination, '\0', sizeof(T));
+    }
+
+    // void strcpy(char* destination, char* source);
+    // unsigned int strlen(char* string);
+}  // namespace mmem
+
+#endif