diff --git a/src/mapper/mapper.cc b/src/mapper/mapper.cc
index e419825..c1cc87b 100644
--- a/src/mapper/mapper.cc
+++ b/src/mapper/mapper.cc
@@ -10,6 +10,7 @@
 #include "inventory.h"
 #include "kb.h"
 #include "mapper/mp_proto.h"
+#include "memory.h"
 #include "object.h"
 #include "proto.h"
 #include "settings.h"
@@ -19,6 +20,8 @@
 namespace fallout {
 
 static void MapperInit();
+static int mapper_edit_init(int argc, char** argv);
+static void mapper_edit_exit();
 static int bookmarkInit();
 static int bookmarkExit();
 static void bookmarkHide();
@@ -29,6 +32,7 @@ static int categoryHide();
 static int categoryToggleState();
 static int categoryUnhide();
 static bool proto_user_is_librarian();
+static void edit_mapper();
 static void redraw_toolname();
 static void clear_toolname();
 static void update_high_obj_name(Object* obj);
@@ -62,6 +66,24 @@ unsigned char* tool;
 // 0x6EC4AC
 int tool_win;
 
+// gnw_main
+// 0x485DD0
+int mapper_main(int argc, char** argv)
+{
+    MapperInit();
+
+    if (mapper_edit_init(argc, argv) == -1) {
+        mem_check();
+        return 0;
+    }
+
+    edit_mapper();
+    mapper_edit_exit();
+    mem_check();
+
+    return 0;
+}
+
 // 0x485E00
 void MapperInit()
 {
@@ -106,6 +128,20 @@ void MapperInit()
     menu_val_2[7] = 5544;
 }
 
+// 0x485F94
+int mapper_edit_init(int argc, char** argv)
+{
+    // TODO: Incomplete.
+
+    return 0;
+}
+
+// 0x48752C
+void mapper_edit_exit()
+{
+    // TODO: Incomplete.
+}
+
 // 0x4875B4
 int bookmarkInit()
 {
@@ -207,6 +243,12 @@ bool proto_user_is_librarian()
     return true;
 }
 
+// 0x4877D0
+void edit_mapper()
+{
+    // TODO: Incomplete.
+}
+
 // 0x48B16C
 void print_toolbar_name(int object_type)
 {
diff --git a/src/mapper/mapper.h b/src/mapper/mapper.h
index 3eb594c..4ae73cf 100644
--- a/src/mapper/mapper.h
+++ b/src/mapper/mapper.h
@@ -14,6 +14,7 @@ extern int menu_val_1[21];
 extern unsigned char* tool;
 extern int tool_win;
 
+int mapper_main(int argc, char** argv);
 void print_toolbar_name(int object_type);
 int mapper_inven_unwield(Object* obj, int right_hand);
 
diff --git a/src/memory.cc b/src/memory.cc
index 5f15047..c51ff39 100644
--- a/src/memory.cc
+++ b/src/memory.cc
@@ -32,7 +32,6 @@ typedef struct MemoryBlockFooter {
 static void* memoryBlockMallocImpl(size_t size);
 static void* memoryBlockReallocImpl(void* ptr, size_t size);
 static void memoryBlockFreeImpl(void* ptr);
-static void memoryBlockPrintStats();
 static void* mem_prep_block(void* block, size_t size);
 static void memoryBlockValidate(void* block);
 
@@ -176,10 +175,8 @@ static void memoryBlockFreeImpl(void* ptr)
     }
 }
 
-// NOTE: Not used.
-//
 // 0x4C5C5C
-static void memoryBlockPrintStats()
+void mem_check()
 {
     if (gMallocProc == memoryBlockMallocImpl) {
         debugPrint("Current memory allocated: %6d blocks, %9u bytes total\n", gMemoryBlocksCurrentCount, gMemoryBlocksCurrentSize);
diff --git a/src/memory.h b/src/memory.h
index facaa54..96b0364 100644
--- a/src/memory.h
+++ b/src/memory.h
@@ -9,6 +9,7 @@ char* internal_strdup(const char* string);
 void* internal_malloc(size_t size);
 void* internal_realloc(void* ptr, size_t size);
 void internal_free(void* ptr);
+void mem_check();
 
 } // namespace fallout