feat: update structure

cs2106/labs/lab4/bitmap/mymalloc.h

@@ -0,0 +1,12 @@
+#include "stdio.h"
+#define MEMSIZE 64    // Size of memory in bytes
+#define BITMAP_SIZE 8 // Size of Bitmap
+
+// Used by the test harness
+long get_index(void *ptr);
+
+// Debugging routine
+void print_memlist();
+
+void *mymalloc(size_t);
+void myfree(void *);