diff --git a/MAKE.bat b/MAKE.bat
index 6fcc42b..9865a8f 100644
--- a/MAKE.bat
+++ b/MAKE.bat
@@ -695,7 +695,6 @@ for %%f in ("workbench\plugins\*.c") do (
 rem demos
 if "!demos!"=="yes" (
 !echo! 00-ui             && !cc! !o! 00-ui.exe         demos\00-ui.c              !import! !args! || set rc=1
-!echo! 00-loop           && !cc! !o! 00-loop.exe       demos\00-loop.c            !import! !args! || set rc=1
 !echo! 00-script         && !cc! !o! 00-script.exe     demos\00-script.c          !import! !args! || set rc=1
 !echo! 00-hello          && !cc! !o! 00-hello.exe      demos\00-hello.c           !import! !args! || set rc=1
 !echo! 01-sprite         && !cc! !o! 01-sprite.exe     demos\01-sprite.c          !import! !args! || set rc=1
@@ -721,7 +720,11 @@ if "!demos!"=="yes" (
 rem lab
 if "!lab!"=="yes" (
     for %%f in ("demos\99-*") do (
-        !echo! %%~nf         && !cc! !o! %%~nf.exe         demos\%%~nf.c            !import! !args! || set rc=1
+        set limport=!import!
+        >nul find "V4K_IMPLEMENTATION" demos\%%~nf.c && (
+          set limport=
+        )
+        !echo! %%~nf         && !cc! !o! %%~nf.exe         demos\%%~nf.c            !limport! !args! || set rc=1
     )
 )
 
diff --git a/bind/lua b/bind/lua
index a0125b9..2c458c9 100644
Binary files a/bind/lua and b/bind/lua differ
diff --git a/bind/v4k.lua b/bind/v4k.lua
index 6acbe37..77d0f34 100644
--- a/bind/v4k.lua
+++ b/bind/v4k.lua
@@ -2204,25 +2204,25 @@ bool        id_valid(uintptr_t id);
  uint64_t swap64( uint64_t x );
  float    swap32f(float n);
  double   swap64f(double n);
- uint16_t  lil16(uint16_t n);
- uint32_t  lil32(uint32_t n);
- uint64_t  lil64(uint64_t n);
- uint16_t  big16(uint16_t n);
- uint32_t  big32(uint32_t n);
- uint64_t  big64(uint64_t n);
- float     lil32f(float n);
- double    lil64f(double n);
- float     big32f(float n);
- double    big64f(double n);
+ uint16_t    lil16(uint16_t n);
+ uint32_t    lil32(uint32_t n);
+ uint64_t    lil64(uint64_t n);
+ float       lil32f(float n);
+ double      lil64f(double n);
+ uint16_t    big16(uint16_t n);
+ uint32_t    big32(uint32_t n);
+ uint64_t    big64(uint64_t n);
+ float       big32f(float n);
+ double      big64f(double n);
  uint16_t* lil16p(void *p, int sz);
- uint16_t* big16p(void *p, int sz);
  uint32_t* lil32p(void *p, int sz);
- uint32_t* big32p(void *p, int sz);
  uint64_t* lil64p(void *p, int sz);
- uint64_t* big64p(void *p, int sz);
  float   * lil32pf(void *p, int sz);
- float   * big32pf(void *p, int sz);
  double  * lil64pf(void *p, int sz);
+ uint16_t*   big16p(void *p, int sz);
+ uint32_t*   big32p(void *p, int sz);
+ uint64_t*   big64p(void *p, int sz);
+ float   *   big32pf(void *p, int sz);
  double  * big64pf(void *p, int sz);
 typedef uint16_t half;
  float half_to_float(half value);
diff --git a/engine/joint/v4k.h b/engine/joint/v4k.h
index b80c662..38d41f6 100644
--- a/engine/joint/v4k.h
+++ b/engine/joint/v4k.h
@@ -16062,32 +16062,31 @@ API int is_little();
 API uint16_t swap16( uint16_t x );
 API uint32_t swap32( uint32_t x );
 API uint64_t swap64( uint64_t x );
-
 API float    swap32f(float n);
 API double   swap64f(double n);
 
-API uint16_t  lil16(uint16_t n);
-API uint32_t  lil32(uint32_t n);
-API uint64_t  lil64(uint64_t n);
-API uint16_t  big16(uint16_t n);
-API uint32_t  big32(uint32_t n);
-API uint64_t  big64(uint64_t n);
+API uint16_t    lil16(uint16_t n); // swap16 as lil
+API uint32_t    lil32(uint32_t n); // swap32 as lil
+API uint64_t    lil64(uint64_t n); // swap64 as lil
+API float       lil32f(float n);   // swap32 as lil
+API double      lil64f(double n);  // swap64 as lil
 
-API float     lil32f(float n);
-API double    lil64f(double n);
-API float     big32f(float n);
-API double    big64f(double n);
+API uint16_t    big16(uint16_t n); // swap16 as big
+API uint32_t    big32(uint32_t n); // swap32 as big
+API uint64_t    big64(uint64_t n); // swap64 as big
+API float       big32f(float n);   // swap32 as big
+API double      big64f(double n);  // swap64 as big
 
 API uint16_t* lil16p(void *p, int sz);
-API uint16_t* big16p(void *p, int sz);
 API uint32_t* lil32p(void *p, int sz);
-API uint32_t* big32p(void *p, int sz);
 API uint64_t* lil64p(void *p, int sz);
-API uint64_t* big64p(void *p, int sz);
-
 API float   * lil32pf(void *p, int sz);
-API float   * big32pf(void *p, int sz);
 API double  * lil64pf(void *p, int sz);
+
+API uint16_t*   big16p(void *p, int sz);
+API uint32_t*   big32p(void *p, int sz);
+API uint64_t*   big64p(void *p, int sz);
+API float   *   big32pf(void *p, int sz);
 API double  * big64pf(void *p, int sz);
 
 #if is(cl)
@@ -17792,13 +17791,6 @@ API void        trap_on_quit(int signal);   // helper util
 API void        trap_on_abort(int signal);  // helper util
 API void        trap_on_debug(int signal);  // helper util
 
-#define hton16 big16
-#define ntoh16 big16
-#define hton32 big32
-#define ntoh32 big32
-#define hton64 big64
-#define ntoh64 big64
-
 #define PANIC(...)   PANIC(va(__VA_ARGS__), __FILE__, __LINE__) // die() ?
 API int (PANIC)(const char *error, const char *file, int line);
 
diff --git a/engine/split/v4k_pack.h b/engine/split/v4k_pack.h
index bc1de1c..6529312 100644
--- a/engine/split/v4k_pack.h
+++ b/engine/split/v4k_pack.h
@@ -7,32 +7,31 @@ API int is_little();
 API uint16_t swap16( uint16_t x );
 API uint32_t swap32( uint32_t x );
 API uint64_t swap64( uint64_t x );
-
 API float    swap32f(float n);
 API double   swap64f(double n);
 
-API uint16_t  lil16(uint16_t n);
-API uint32_t  lil32(uint32_t n);
-API uint64_t  lil64(uint64_t n);
-API uint16_t  big16(uint16_t n);
-API uint32_t  big32(uint32_t n);
-API uint64_t  big64(uint64_t n);
+API uint16_t    lil16(uint16_t n); // swap16 as lil
+API uint32_t    lil32(uint32_t n); // swap32 as lil
+API uint64_t    lil64(uint64_t n); // swap64 as lil
+API float       lil32f(float n);   // swap32 as lil
+API double      lil64f(double n);  // swap64 as lil
 
-API float     lil32f(float n);
-API double    lil64f(double n);
-API float     big32f(float n);
-API double    big64f(double n);
+API uint16_t    big16(uint16_t n); // swap16 as big
+API uint32_t    big32(uint32_t n); // swap32 as big
+API uint64_t    big64(uint64_t n); // swap64 as big
+API float       big32f(float n);   // swap32 as big
+API double      big64f(double n);  // swap64 as big
 
 API uint16_t* lil16p(void *p, int sz);
-API uint16_t* big16p(void *p, int sz);
 API uint32_t* lil32p(void *p, int sz);
-API uint32_t* big32p(void *p, int sz);
 API uint64_t* lil64p(void *p, int sz);
-API uint64_t* big64p(void *p, int sz);
-
 API float   * lil32pf(void *p, int sz);
-API float   * big32pf(void *p, int sz);
 API double  * lil64pf(void *p, int sz);
+
+API uint16_t*   big16p(void *p, int sz);
+API uint32_t*   big32p(void *p, int sz);
+API uint64_t*   big64p(void *p, int sz);
+API float   *   big32pf(void *p, int sz);
 API double  * big64pf(void *p, int sz);
 
 #if is(cl)
diff --git a/engine/split/v4k_system.h b/engine/split/v4k_system.h
index 0762890..20876c8 100644
--- a/engine/split/v4k_system.h
+++ b/engine/split/v4k_system.h
@@ -55,13 +55,6 @@ API void        trap_on_quit(int signal);   // helper util
 API void        trap_on_abort(int signal);  // helper util
 API void        trap_on_debug(int signal);  // helper util
 
-#define hton16 big16
-#define ntoh16 big16
-#define hton32 big32
-#define ntoh32 big32
-#define hton64 big64
-#define ntoh64 big64
-
 #define PANIC(...)   PANIC(va(__VA_ARGS__), __FILE__, __LINE__) // die() ?
 API int (PANIC)(const char *error, const char *file, int line);
 
diff --git a/engine/v4k.h b/engine/v4k.h
index c5714db..fb547e9 100644
--- a/engine/v4k.h
+++ b/engine/v4k.h
@@ -2129,32 +2129,31 @@ API int is_little();
 API uint16_t swap16( uint16_t x );
 API uint32_t swap32( uint32_t x );
 API uint64_t swap64( uint64_t x );
-
 API float    swap32f(float n);
 API double   swap64f(double n);
 
-API uint16_t  lil16(uint16_t n);
-API uint32_t  lil32(uint32_t n);
-API uint64_t  lil64(uint64_t n);
-API uint16_t  big16(uint16_t n);
-API uint32_t  big32(uint32_t n);
-API uint64_t  big64(uint64_t n);
+API uint16_t    lil16(uint16_t n); // swap16 as lil
+API uint32_t    lil32(uint32_t n); // swap32 as lil
+API uint64_t    lil64(uint64_t n); // swap64 as lil
+API float       lil32f(float n);   // swap32 as lil
+API double      lil64f(double n);  // swap64 as lil
 
-API float     lil32f(float n);
-API double    lil64f(double n);
-API float     big32f(float n);
-API double    big64f(double n);
+API uint16_t    big16(uint16_t n); // swap16 as big
+API uint32_t    big32(uint32_t n); // swap32 as big
+API uint64_t    big64(uint64_t n); // swap64 as big
+API float       big32f(float n);   // swap32 as big
+API double      big64f(double n);  // swap64 as big
 
 API uint16_t* lil16p(void *p, int sz);
-API uint16_t* big16p(void *p, int sz);
 API uint32_t* lil32p(void *p, int sz);
-API uint32_t* big32p(void *p, int sz);
 API uint64_t* lil64p(void *p, int sz);
-API uint64_t* big64p(void *p, int sz);
-
 API float   * lil32pf(void *p, int sz);
-API float   * big32pf(void *p, int sz);
 API double  * lil64pf(void *p, int sz);
+
+API uint16_t*   big16p(void *p, int sz);
+API uint32_t*   big32p(void *p, int sz);
+API uint64_t*   big64p(void *p, int sz);
+API float   *   big32pf(void *p, int sz);
 API double  * big64pf(void *p, int sz);
 
 #if is(cl)
@@ -3859,13 +3858,6 @@ API void        trap_on_quit(int signal);   // helper util
 API void        trap_on_abort(int signal);  // helper util
 API void        trap_on_debug(int signal);  // helper util
 
-#define hton16 big16
-#define ntoh16 big16
-#define hton32 big32
-#define ntoh32 big32
-#define hton64 big64
-#define ntoh64 big64
-
 #define PANIC(...)   PANIC(va(__VA_ARGS__), __FILE__, __LINE__) // die() ?
 API int (PANIC)(const char *error, const char *file, int line);