diff --git a/ilut.h b/ilut.h
index 2ea59f4..34716bc 100644
--- a/ilut.h
+++ b/ilut.h
@@ -1,381 +1,4 @@
 
-typedef signed char __int8_t;
-
-
-
-typedef unsigned char __uint8_t;
-typedef short __int16_t;
-typedef unsigned short __uint16_t;
-typedef int __int32_t;
-typedef unsigned int __uint32_t;
-typedef long long __int64_t;
-typedef unsigned long long __uint64_t;
-
-typedef long __darwin_intptr_t;
-typedef unsigned int __darwin_natural_t;
-typedef int __darwin_ct_rune_t;
-
-
-
-
-
-typedef union {
- char __mbstate8[128];
- long long _mbstateL;
-} __mbstate_t;
-
-typedef __mbstate_t __darwin_mbstate_t;
-
-
-typedef long int __darwin_ptrdiff_t;
-
-
-
-
-
-
-
-typedef long unsigned int __darwin_size_t;
-
-
-
-
-
-typedef __builtin_va_list __darwin_va_list;
-
-
-
-
-
-typedef int __darwin_wchar_t;
-
-
-
-
-typedef __darwin_wchar_t __darwin_rune_t;
-
-
-typedef int __darwin_wint_t;
-
-
-
-
-typedef unsigned long __darwin_clock_t;
-typedef __uint32_t __darwin_socklen_t;
-typedef long __darwin_ssize_t;
-typedef long __darwin_time_t;
-typedef __int64_t __darwin_blkcnt_t;
-typedef __int32_t __darwin_blksize_t;
-typedef __int32_t __darwin_dev_t;
-typedef unsigned int __darwin_fsblkcnt_t;
-typedef unsigned int __darwin_fsfilcnt_t;
-typedef __uint32_t __darwin_gid_t;
-typedef __uint32_t __darwin_id_t;
-typedef __uint64_t __darwin_ino64_t;
-
-typedef __darwin_ino64_t __darwin_ino_t;
-
-
-
-typedef __darwin_natural_t __darwin_mach_port_name_t;
-typedef __darwin_mach_port_name_t __darwin_mach_port_t;
-typedef __uint16_t __darwin_mode_t;
-typedef __int64_t __darwin_off_t;
-typedef __int32_t __darwin_pid_t;
-typedef __uint32_t __darwin_sigset_t;
-typedef __int32_t __darwin_suseconds_t;
-typedef __uint32_t __darwin_uid_t;
-typedef __uint32_t __darwin_useconds_t;
-typedef unsigned char __darwin_uuid_t[16];
-typedef char __darwin_uuid_string_t[37];
-
-
-struct __darwin_pthread_handler_rec {
- void (*__routine)(void *);
- void *__arg;
- struct __darwin_pthread_handler_rec *__next;
-};
-
-struct _opaque_pthread_attr_t {
- long __sig;
- char __opaque[56];
-};
-
-struct _opaque_pthread_cond_t {
- long __sig;
- char __opaque[40];
-};
-
-struct _opaque_pthread_condattr_t {
- long __sig;
- char __opaque[8];
-};
-
-struct _opaque_pthread_mutex_t {
- long __sig;
- char __opaque[56];
-};
-
-struct _opaque_pthread_mutexattr_t {
- long __sig;
- char __opaque[8];
-};
-
-struct _opaque_pthread_once_t {
- long __sig;
- char __opaque[8];
-};
-
-struct _opaque_pthread_rwlock_t {
- long __sig;
- char __opaque[192];
-};
-
-struct _opaque_pthread_rwlockattr_t {
- long __sig;
- char __opaque[16];
-};
-
-struct _opaque_pthread_t {
- long __sig;
- struct __darwin_pthread_handler_rec *__cleanup_stack;
- char __opaque[8176];
-};
-
-typedef struct _opaque_pthread_attr_t __darwin_pthread_attr_t;
-typedef struct _opaque_pthread_cond_t __darwin_pthread_cond_t;
-typedef struct _opaque_pthread_condattr_t __darwin_pthread_condattr_t;
-typedef unsigned long __darwin_pthread_key_t;
-typedef struct _opaque_pthread_mutex_t __darwin_pthread_mutex_t;
-typedef struct _opaque_pthread_mutexattr_t __darwin_pthread_mutexattr_t;
-typedef struct _opaque_pthread_once_t __darwin_pthread_once_t;
-typedef struct _opaque_pthread_rwlock_t __darwin_pthread_rwlock_t;
-typedef struct _opaque_pthread_rwlockattr_t __darwin_pthread_rwlockattr_t;
-typedef struct _opaque_pthread_t *__darwin_pthread_t;
-typedef int __darwin_nl_item;
-typedef int __darwin_wctrans_t;
-
-typedef __uint32_t __darwin_wctype_t;
-
-
-
-typedef __darwin_va_list va_list;
-typedef __darwin_size_t size_t;
-
-int renameat(int, const char *, int, const char *) __attribute__((availability(macosx,introduced=10.10)));
-
-
-
-
-
-
-int renamex_np(const char *, const char *, unsigned int) __attribute__((availability(macosx,introduced=10.12))) __attribute__((availability(ios,introduced=10.0))) __attribute__((availability(tvos,introduced=10.0))) __attribute__((availability(watchos,introduced=3.0)));
-int renameatx_np(int, const char *, int, const char *, unsigned int) __attribute__((availability(macosx,introduced=10.12))) __attribute__((availability(ios,introduced=10.0))) __attribute__((availability(tvos,introduced=10.0))) __attribute__((availability(watchos,introduced=3.0)));
-
-typedef __darwin_off_t fpos_t;
-struct __sbuf {
- unsigned char *_base;
- int _size;
-};
-
-
-struct __sFILEX;
-typedef struct __sFILE {
- unsigned char *_p;
- int _r;
- int _w;
- short _flags;
- short _file;
- struct __sbuf _bf;
- int _lbfsize;
-
-
- void *_cookie;
- int (* _Nullable _close)(void *);
- int (* _Nullable _read) (void *, char *, int);
- fpos_t (* _Nullable _seek) (void *, fpos_t, int);
- int (* _Nullable _write)(void *, const char *, int);
-
-
- struct __sbuf _ub;
- struct __sFILEX *_extra;
- int _ur;
-
-
- unsigned char _ubuf[3];
- unsigned char _nbuf[1];
-
-
- struct __sbuf _lb;
-
-
- int _blksize;
- fpos_t _offset;
-} FILE;
-
-
-extern FILE *__stdinp;
-extern FILE *__stdoutp;
-extern FILE *__stderrp;
-void clearerr(FILE *);
-int fclose(FILE *);
-int feof(FILE *);
-int ferror(FILE *);
-int fflush(FILE *);
-int fgetc(FILE *);
-int fgetpos(FILE * restrict, fpos_t *);
-char *fgets(char * restrict, int, FILE *);
-
-
-
-FILE *fopen(const char * restrict __filename, const char * restrict __mode) __asm("_" "fopen" );
-
-int fprintf(FILE * restrict, const char * restrict, ...) __attribute__((__format__ (__printf__, 2, 3)));
-int fputc(int, FILE *);
-int fputs(const char * restrict, FILE * restrict) __asm("_" "fputs" );
-size_t fread(void * restrict __ptr, size_t __size, size_t __nitems, FILE * restrict __stream);
-FILE *freopen(const char * restrict, const char * restrict,
-                 FILE * restrict) __asm("_" "freopen" );
-int fscanf(FILE * restrict, const char * restrict, ...) __attribute__((__format__ (__scanf__, 2, 3)));
-int fseek(FILE *, long, int);
-int fsetpos(FILE *, const fpos_t *);
-long ftell(FILE *);
-size_t fwrite(const void * restrict __ptr, size_t __size, size_t __nitems, FILE * restrict __stream) __asm("_" "fwrite" );
-int getc(FILE *);
-int getchar(void);
-char *gets(char *);
-void perror(const char *);
-int printf(const char * restrict, ...) __attribute__((__format__ (__printf__, 1, 2)));
-int putc(int, FILE *);
-int putchar(int);
-int puts(const char *);
-int remove(const char *);
-int rename (const char *__old, const char *__new);
-void rewind(FILE *);
-int scanf(const char * restrict, ...) __attribute__((__format__ (__scanf__, 1, 2)));
-void setbuf(FILE * restrict, char * restrict);
-int setvbuf(FILE * restrict, char * restrict, int, size_t);
-int sprintf(char * restrict, const char * restrict, ...) __attribute__((__format__ (__printf__, 2, 3))) __attribute__((__availability__(swift, unavailable, message="Use snprintf instead.")));
-int sscanf(const char * restrict, const char * restrict, ...) __attribute__((__format__ (__scanf__, 2, 3)));
-FILE *tmpfile(void);
-
-__attribute__((__availability__(swift, unavailable, message="Use mkstemp(3) instead.")))
-
-__attribute__((deprecated("This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of tmpnam(3), it is highly recommended that you use mkstemp(3) instead.")))
-
-char *tmpnam(char *);
-int ungetc(int, FILE *);
-int vfprintf(FILE * restrict, const char * restrict, va_list) __attribute__((__format__ (__printf__, 2, 0)));
-int vprintf(const char * restrict, va_list) __attribute__((__format__ (__printf__, 1, 0)));
-int vsprintf(char * restrict, const char * restrict, va_list) __attribute__((__format__ (__printf__, 2, 0))) __attribute__((__availability__(swift, unavailable, message="Use vsnprintf instead.")));
-char *ctermid(char *);
-
-
-
-
-
-FILE *fdopen(int, const char *) __asm("_" "fdopen" );
-
-int fileno(FILE *);
-int pclose(FILE *) __attribute__((__availability__(swift, unavailable, message="Use posix_spawn APIs or NSTask instead.")));
-
-
-
-FILE *popen(const char *, const char *) __asm("_" "popen" ) __attribute__((__availability__(swift, unavailable, message="Use posix_spawn APIs or NSTask instead.")));
-int __srget(FILE *);
-int __svfscanf(FILE *, const char *, va_list) __attribute__((__format__ (__scanf__, 2, 0)));
-int __swbuf(int, FILE *);
-inline __attribute__ ((__always_inline__)) int __sputc(int _c, FILE *_p) {
- if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
-  return (*_p->_p++ = _c);
- else
-  return (__swbuf(_c, _p));
-}
-void flockfile(FILE *);
-int ftrylockfile(FILE *);
-void funlockfile(FILE *);
-int getc_unlocked(FILE *);
-int getchar_unlocked(void);
-int putc_unlocked(int, FILE *);
-int putchar_unlocked(int);
-
-
-
-int getw(FILE *);
-int putw(int, FILE *);
-
-
-__attribute__((__availability__(swift, unavailable, message="Use mkstemp(3) instead.")))
-
-__attribute__((deprecated("This function is provided for compatibility reasons only.  Due to security concerns inherent in the design of tempnam(3), it is highly recommended that you use mkstemp(3) instead.")))
-
-char *tempnam(const char *__dir, const char *__prefix) __asm("_" "tempnam" );
-typedef __darwin_off_t off_t;
-
-
-int fseeko(FILE * __stream, off_t __offset, int __whence);
-off_t ftello(FILE * __stream);
-
-
-
-
-
-int snprintf(char * restrict __str, size_t __size, const char * restrict __format, ...) __attribute__((__format__ (__printf__, 3, 4)));
-int vfscanf(FILE * restrict __stream, const char * restrict __format, va_list) __attribute__((__format__ (__scanf__, 2, 0)));
-int vscanf(const char * restrict __format, va_list) __attribute__((__format__ (__scanf__, 1, 0)));
-int vsnprintf(char * restrict __str, size_t __size, const char * restrict __format, va_list) __attribute__((__format__ (__printf__, 3, 0)));
-int vsscanf(const char * restrict __str, const char * restrict __format, va_list) __attribute__((__format__ (__scanf__, 2, 0)));
-typedef __darwin_ssize_t ssize_t;
-
-
-int dprintf(int, const char * restrict, ...) __attribute__((__format__ (__printf__, 2, 3))) __attribute__((availability(macosx,introduced=10.7)));
-int vdprintf(int, const char * restrict, va_list) __attribute__((__format__ (__printf__, 2, 0))) __attribute__((availability(macosx,introduced=10.7)));
-ssize_t getdelim(char ** restrict __linep, size_t * restrict __linecapp, int __delimiter, FILE * restrict __stream) __attribute__((availability(macosx,introduced=10.7)));
-ssize_t getline(char ** restrict __linep, size_t * restrict __linecapp, FILE * restrict __stream) __attribute__((availability(macosx,introduced=10.7)));
-extern const int sys_nerr;
-extern const char *const sys_errlist[];
-
-int asprintf(char ** restrict, const char * restrict, ...) __attribute__((__format__ (__printf__, 2, 3)));
-char *ctermid_r(char *);
-char *fgetln(FILE *, size_t *);
-const char *fmtcheck(const char *, const char *);
-int fpurge(FILE *);
-void setbuffer(FILE *, char *, int);
-int setlinebuf(FILE *);
-int vasprintf(char ** restrict, const char * restrict, va_list) __attribute__((__format__ (__printf__, 2, 0)));
-FILE *zopen(const char *, const char *, int);
-
-
-
-
-
-FILE *funopen(const void *,
-                 int (* _Nullable)(void *, char *, int),
-                 int (* _Nullable)(void *, const char *, int),
-                 fpos_t (* _Nullable)(void *, fpos_t, int),
-                 int (* _Nullable)(void *));
-extern int __sprintf_chk (char * restrict, int, size_t,
-     const char * restrict, ...);
-extern int __snprintf_chk (char * restrict, size_t, int, size_t,
-      const char * restrict, ...);
-
-
-
-
-
-
-
-extern int __vsprintf_chk (char * restrict, int, size_t,
-      const char * restrict, va_list);
-
-
-
-
-
-
-
-extern int __vsnprintf_chk (char * restrict, size_t, int, size_t,
-       const char * restrict, va_list);
 
 typedef unsigned int ILenum;
 typedef unsigned char ILboolean;
@@ -403,10 +26,6 @@ typedef long long unsigned int ILuint64;
 
 
 
-
-
-
-
 typedef void* ILHANDLE;
 typedef void ( *fCloseRProc)(ILHANDLE);
 typedef ILboolean ( *fEofProc) (ILHANDLE);
@@ -633,4 +252,3 @@ extern void ilutPushAttrib(ILuint Bits);
 extern void ilutSetInteger(ILenum Mode, ILint Param);
 
 extern ILboolean ilutRenderer(ILenum Renderer);
-