diff --git a/libc/include/wchar.h b/libc/include/wchar.h
index fbea851..1f0c1c5 100644
--- a/libc/include/wchar.h
+++ b/libc/include/wchar.h
@@ -67,88 +67,88 @@
 
 #define  WEOF        ((wint_t)(-1))
 
-extern wint_t            btowc(int);
-extern int               fwprintf(FILE *, const wchar_t *, ...);
-extern int               fwscanf(FILE *, const wchar_t *, ...);
-extern wint_t            fgetwc(FILE *);
-extern wchar_t          *fgetws(wchar_t *, int, FILE *);
-extern wint_t            fputwc(wchar_t, FILE *);
-extern int               fputws(const wchar_t *, FILE *);
-extern int               fwide(FILE *, int);
-extern wint_t            getwc(FILE *);
-extern wint_t            getwchar(void);
-extern int               mbsinit(const mbstate_t *);
-extern size_t            mbrlen(const char *, size_t, mbstate_t *);
-extern size_t            mbrtowc(wchar_t *, const char *, size_t, mbstate_t *);
-extern size_t mbsrtowcs(wchar_t*, const char**, size_t, mbstate_t*);
-extern size_t mbsnrtowcs(wchar_t*, const char**, size_t, size_t, mbstate_t*) __INTRODUCED_IN(21);
-extern wint_t            putwc(wchar_t, FILE *);
-extern wint_t            putwchar(wchar_t);
-extern int               swprintf(wchar_t *, size_t, const wchar_t *, ...);
-extern int               swscanf(const wchar_t *, const wchar_t *, ...);
-extern wint_t            ungetwc(wint_t, FILE *);
-extern int vfwprintf(FILE*, const wchar_t*, va_list);
-extern int vfwscanf(FILE*, const wchar_t*, va_list) __INTRODUCED_IN(21);
-extern int vswprintf(wchar_t*, size_t, const wchar_t*, va_list);
-extern int vswscanf(const wchar_t*, const wchar_t*, va_list) __INTRODUCED_IN(21);
-extern int vwprintf(const wchar_t*, va_list);
-extern int vwscanf(const wchar_t*, va_list) __INTRODUCED_IN(21);
-extern wchar_t* wcpcpy (wchar_t*, const wchar_t *);
-extern wchar_t* wcpncpy (wchar_t*, const wchar_t *, size_t);
-extern size_t            wcrtomb(char *, wchar_t, mbstate_t *);
-extern int               wcscasecmp(const wchar_t *, const wchar_t *);
-extern int wcscasecmp_l(const wchar_t*, const wchar_t*, locale_t) __INTRODUCED_IN(23);
-extern wchar_t          *wcscat(wchar_t *, const wchar_t *);
-extern wchar_t          *wcschr(const wchar_t *, wchar_t);
-extern int               wcscmp(const wchar_t *, const wchar_t *);
-extern int               wcscoll(const wchar_t *, const wchar_t *);
-extern wchar_t          *wcscpy(wchar_t *, const wchar_t *);
-extern size_t            wcscspn(const wchar_t *, const wchar_t *);
-extern size_t            wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *);
-extern size_t            wcslen(const wchar_t *);
-extern int               wcsncasecmp(const wchar_t *, const wchar_t *, size_t);
-extern int wcsncasecmp_l(const wchar_t*, const wchar_t*, size_t, locale_t) __INTRODUCED_IN(23);
-extern wchar_t          *wcsncat(wchar_t *, const wchar_t *, size_t);
-extern int               wcsncmp(const wchar_t *, const wchar_t *, size_t);
-extern wchar_t          *wcsncpy(wchar_t *, const wchar_t *, size_t);
-extern size_t wcsnrtombs(char*, const wchar_t**, size_t, size_t, mbstate_t*) __INTRODUCED_IN(21);
-extern wchar_t          *wcspbrk(const wchar_t *, const wchar_t *);
-extern wchar_t          *wcsrchr(const wchar_t *, wchar_t);
-extern size_t wcsrtombs(char*, const wchar_t**, size_t, mbstate_t*);
-extern size_t            wcsspn(const wchar_t *, const wchar_t *);
-extern wchar_t          *wcsstr(const wchar_t *, const wchar_t *);
-extern double wcstod(const wchar_t*, wchar_t**);
-extern float wcstof(const wchar_t*, wchar_t**) __INTRODUCED_IN(21);
-extern wchar_t* wcstok(wchar_t*, const wchar_t*, wchar_t**);
-extern long wcstol(const wchar_t*, wchar_t**, int);
-extern long long wcstoll(const wchar_t*, wchar_t**, int) __INTRODUCED_IN(21);
-extern long double wcstold(const wchar_t*, wchar_t**) __INTRODUCED_IN(21);
-extern unsigned long wcstoul(const wchar_t*, wchar_t**, int);
-extern unsigned long long wcstoull(const wchar_t*, wchar_t**, int) __INTRODUCED_IN(21);
-extern int               wcswidth(const wchar_t *, size_t);
-extern size_t            wcsxfrm(wchar_t *, const wchar_t *, size_t);
-extern int               wctob(wint_t);
-extern int               wcwidth(wchar_t);
-extern wchar_t          *wmemchr(const wchar_t *, wchar_t, size_t);
-extern int               wmemcmp(const wchar_t *, const wchar_t *, size_t);
-extern wchar_t          *wmemcpy(wchar_t *, const wchar_t *, size_t);
+wint_t            btowc(int);
+int               fwprintf(FILE *, const wchar_t *, ...);
+int               fwscanf(FILE *, const wchar_t *, ...);
+wint_t            fgetwc(FILE *);
+wchar_t          *fgetws(wchar_t *, int, FILE *);
+wint_t            fputwc(wchar_t, FILE *);
+int               fputws(const wchar_t *, FILE *);
+int               fwide(FILE *, int);
+wint_t            getwc(FILE *);
+wint_t            getwchar(void);
+int               mbsinit(const mbstate_t *);
+size_t            mbrlen(const char *, size_t, mbstate_t *);
+size_t            mbrtowc(wchar_t *, const char *, size_t, mbstate_t *);
+size_t mbsrtowcs(wchar_t*, const char**, size_t, mbstate_t*);
+size_t mbsnrtowcs(wchar_t*, const char**, size_t, size_t, mbstate_t*) __INTRODUCED_IN(21);
+wint_t            putwc(wchar_t, FILE *);
+wint_t            putwchar(wchar_t);
+int               swprintf(wchar_t *, size_t, const wchar_t *, ...);
+int               swscanf(const wchar_t *, const wchar_t *, ...);
+wint_t            ungetwc(wint_t, FILE *);
+int vfwprintf(FILE*, const wchar_t*, va_list);
+int vfwscanf(FILE*, const wchar_t*, va_list) __INTRODUCED_IN(21);
+int vswprintf(wchar_t*, size_t, const wchar_t*, va_list);
+int vswscanf(const wchar_t*, const wchar_t*, va_list) __INTRODUCED_IN(21);
+int vwprintf(const wchar_t*, va_list);
+int vwscanf(const wchar_t*, va_list) __INTRODUCED_IN(21);
+wchar_t* wcpcpy (wchar_t*, const wchar_t *);
+wchar_t* wcpncpy (wchar_t*, const wchar_t *, size_t);
+size_t            wcrtomb(char *, wchar_t, mbstate_t *);
+int               wcscasecmp(const wchar_t *, const wchar_t *);
+int wcscasecmp_l(const wchar_t*, const wchar_t*, locale_t) __INTRODUCED_IN(23);
+wchar_t          *wcscat(wchar_t *, const wchar_t *);
+wchar_t          *wcschr(const wchar_t *, wchar_t);
+int               wcscmp(const wchar_t *, const wchar_t *);
+int               wcscoll(const wchar_t *, const wchar_t *);
+wchar_t          *wcscpy(wchar_t *, const wchar_t *);
+size_t            wcscspn(const wchar_t *, const wchar_t *);
+size_t            wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm *);
+size_t            wcslen(const wchar_t *);
+int               wcsncasecmp(const wchar_t *, const wchar_t *, size_t);
+int wcsncasecmp_l(const wchar_t*, const wchar_t*, size_t, locale_t) __INTRODUCED_IN(23);
+wchar_t          *wcsncat(wchar_t *, const wchar_t *, size_t);
+int               wcsncmp(const wchar_t *, const wchar_t *, size_t);
+wchar_t          *wcsncpy(wchar_t *, const wchar_t *, size_t);
+size_t wcsnrtombs(char*, const wchar_t**, size_t, size_t, mbstate_t*) __INTRODUCED_IN(21);
+wchar_t          *wcspbrk(const wchar_t *, const wchar_t *);
+wchar_t          *wcsrchr(const wchar_t *, wchar_t);
+size_t wcsrtombs(char*, const wchar_t**, size_t, mbstate_t*);
+size_t            wcsspn(const wchar_t *, const wchar_t *);
+wchar_t          *wcsstr(const wchar_t *, const wchar_t *);
+double wcstod(const wchar_t*, wchar_t**);
+float wcstof(const wchar_t*, wchar_t**) __INTRODUCED_IN(21);
+wchar_t* wcstok(wchar_t*, const wchar_t*, wchar_t**);
+long wcstol(const wchar_t*, wchar_t**, int);
+long long wcstoll(const wchar_t*, wchar_t**, int) __INTRODUCED_IN(21);
+long double wcstold(const wchar_t*, wchar_t**) __INTRODUCED_IN(21);
+unsigned long wcstoul(const wchar_t*, wchar_t**, int);
+unsigned long long wcstoull(const wchar_t*, wchar_t**, int) __INTRODUCED_IN(21);
+int               wcswidth(const wchar_t *, size_t);
+size_t            wcsxfrm(wchar_t *, const wchar_t *, size_t);
+int               wctob(wint_t);
+int               wcwidth(wchar_t);
+wchar_t          *wmemchr(const wchar_t *, wchar_t, size_t);
+int               wmemcmp(const wchar_t *, const wchar_t *, size_t);
+wchar_t          *wmemcpy(wchar_t *, const wchar_t *, size_t);
 #if defined(__USE_GNU)
-extern wchar_t* wmempcpy(wchar_t*, const wchar_t*, size_t) __INTRODUCED_IN(23);
+wchar_t* wmempcpy(wchar_t*, const wchar_t*, size_t) __INTRODUCED_IN(23);
 #endif
-extern wchar_t          *wmemmove(wchar_t *, const wchar_t *, size_t);
-extern wchar_t          *wmemset(wchar_t *, wchar_t, size_t);
-extern int               wprintf(const wchar_t *, ...);
-extern int               wscanf(const wchar_t *, ...);
+wchar_t          *wmemmove(wchar_t *, const wchar_t *, size_t);
+wchar_t          *wmemset(wchar_t *, wchar_t, size_t);
+int               wprintf(const wchar_t *, ...);
+int               wscanf(const wchar_t *, ...);
 
-extern long long wcstoll_l(const wchar_t*, wchar_t**, int, locale_t) __INTRODUCED_IN(21);
-extern unsigned long long wcstoull_l(const wchar_t*, wchar_t**, int, locale_t) __INTRODUCED_IN(21);
-extern long double wcstold_l(const wchar_t*, wchar_t**, locale_t) __INTRODUCED_IN(21);
+long long wcstoll_l(const wchar_t*, wchar_t**, int, locale_t) __INTRODUCED_IN(21);
+unsigned long long wcstoull_l(const wchar_t*, wchar_t**, int, locale_t) __INTRODUCED_IN(21);
+long double wcstold_l(const wchar_t*, wchar_t**, locale_t) __INTRODUCED_IN(21);
 
-extern int wcscoll_l(const wchar_t*, const wchar_t*, locale_t) __INTRODUCED_IN(21);
-extern size_t wcsxfrm_l(wchar_t*, const wchar_t*, size_t, locale_t) __INTRODUCED_IN(21);
+int wcscoll_l(const wchar_t*, const wchar_t*, locale_t) __INTRODUCED_IN(21);
+size_t wcsxfrm_l(wchar_t*, const wchar_t*, size_t, locale_t) __INTRODUCED_IN(21);
 
-extern size_t wcslcat(wchar_t*, const wchar_t*, size_t);
-extern size_t wcslcpy(wchar_t*, const wchar_t*, size_t);
+size_t wcslcat(wchar_t*, const wchar_t*, size_t);
+size_t wcslcpy(wchar_t*, const wchar_t*, size_t);
 
 FILE* open_wmemstream(wchar_t**, size_t*) __INTRODUCED_IN(23);
 wchar_t* wcsdup(const wchar_t*);