--- a/dowa/dowa.h	Sun Dec 28 20:34:22 2025 -0800
+++ b/dowa/dowa.h	Mon Dec 29 07:50:07 2025 -0800
@@ -66,7 +66,7 @@
 DLAPI Dowa_Arena *Dowa_Arena_Create(size_t capacity);
 DLAPI void       *Dowa_Arena_Allocate(Dowa_Arena *p_arena, size_t size);
 DLAPI void       *Dowa_Arena_Allocate_Aligned(Dowa_Arena *p_arena, size_t size, size_t alignment);
-DLAPI void        Dowa_Arena_Destroy(Dowa_Arena *p_arena);
+DLAPI void        Dowa_Arena_Free(Dowa_Arena *p_arena);
 DLAPI void       *Dowa_Arena_Copy(Dowa_Arena *p_arena, const void *p_src, size_t size);
 DLAPI void        Dowa_Arena_Reset(Dowa_Arena *p_arena);
 DLAPI size_t      Dowa_Arena_Get_Used(Dowa_Arena *p_arena);
@@ -211,76 +211,15 @@
 DLAPI void    dowa__hashmap_free(void* p_map);
 DLAPI size_t  dowa__hashmap_count(void* p_map);
 
-// --- OLD API (kept for reference, will be removed after migration) --- //
-/*
-
-
-OLD HashMap API - Commented out for migration
-typedef enum {
-  DOWA_HASH_MAP_TYPE_BUFFER,
-  DOWA_HASH_MAP_TYPE_STRING,
-  DOWA_HASH_MAP_TYPE_HASHMAP,
-  DOWA_HASH_MAP_TYPE_INT
-} Dowa_HashMap_ValueType;
-
-typedef struct Dowa_HashEntry {
-  char                   *key;
-  void                   *buffer;
-  size_t                  capacity;
-  Dowa_HashMap_ValueType  type;
-  struct Dowa_HashEntry  *next;
-} Dowa_HashEntry;
-
-typedef struct {
-    Dowa_HashEntry **entries;
-    size_t           capacity;
-    uint32           current_capacity;
-    Dowa_Arena      *p_arena;
-} Dowa_HashMap;
-
-extern Dowa_HashMap *Dowa_HashMap_Create(size_t capacity);
-extern Dowa_HashMap *Dowa_HashMap_Create_With_Arena(size_t capacity, Dowa_Arena *arena);
-extern void          Dowa_HashMap_Destroy(Dowa_HashMap *p_hash_map);
-extern int32         Dowa_HashMap_Get_Position(Dowa_HashMap *p_hash_map, const char *key);
-extern void         *Dowa_HashMap_Get(Dowa_HashMap *p_hash_map, const char *key);
-extern void          Dowa_HashMap_Push_Value(Dowa_HashMap *p_hash_map, const char *key, void *value, size_t value_size);
-extern int32         Dowa_HashMap_Push_Value_With_Type(Dowa_HashMap *p_hash_map, const char *key, void *value, size_t value_size, Dowa_HashMap_ValueType type);
-extern int32         Dowa_HashMap_Push_Value_With_Type_NoCopy(Dowa_HashMap *p_hash_map, const char *key, void *value, size_t value_size, Dowa_HashMap_ValueType type);
-extern void          Dowa_HashMap_Pop_Key(Dowa_HashMap *p_hash_map, const char *key);
-extern boolean       Dowa_HashMap_Has_Key(Dowa_HashMap *p_hash_map, const char *key);
-extern void          Dowa_HashMap_Clear(Dowa_HashMap *p_hash_map);
-extern uint32        Dowa_HashMap_Get_Count(Dowa_HashMap *p_hash_map);
-
-OLD Array API - Commented out for migration
-#define DOWA_ARRAY_DEFAULT_CAPACITY 256
-
-typedef struct {
-  void   *value;
-  uint32  length;
-} Dowa_Array_Item;
-
-typedef struct {
-  uint32             capacity;
-  uint32             current_length;
-  Dowa_Array_Item   *items;
-} Dowa_Array;
-
-#define Dowa_Array_Push_Value(dowa_array, buffer, length) ...
-Dowa_Array *Dowa_Array_Init();
-
-OLD Utility Functions - Will be migrated
-extern void Dowa_HashMap_Print(Dowa_HashMap *map);
-extern int  Dowa_HashMap_Cache_Folder(Dowa_HashMap *map, const char *folder_path);
-*/
-
 // --- String Manipulation --- //
 
-DLAPI const char *Dowa_String_Slice(const char *p_from, size_t start, size_t end);
+DLAPI  char      *Dowa_String_Slice(char *from, size_t start, size_t end, Dowa_Arena *p_arena);
+DLAPI  char     **Dowa_String_Split(char *from, char *token, int32 from_length, int32 token_length, Dowa_Arena *p_arena);
+DLAPI  char      *Dowa_String_Copy_Arena(char *from, Dowa_Arena *p_arena);
 DLAPI int32       Dowa_String_Pos_Find(const char *p_from, const char *p_value, const size_t from_length, const size_t value_length);
 DLAPI char       *Dowa_String_Find(const char *p_from, const char *p_value, const size_t from_length, const size_t value_length);
-DLAPI int32       Dowa_String_Pos_Find_Char(const char *p_from, int c, int32 from_len);
-DLAPI char       *Dowa_String_Find_Char(const char *p_from, int c, int32 from_len);
-DLAPI char       *Dowa_Int32ToString(uint32 value, char *p_buffer);
+DLAPI int32       Dowa_String_Pos_Find_Char(const char *p_from, int c, int32 from_length);
+DLAPI char       *Dowa_String_Find_Char(const char *p_from, int c, int32 from_length);
 
 
 #endif