diff --git a/libc/include/stdlib.h b/libc/include/stdlib.h
index 52f71dd..52f371b 100644
--- a/libc/include/stdlib.h
+++ b/libc/include/stdlib.h
@@ -76,8 +76,8 @@
 extern long double strtold(const char*, char**) __LIBC_ABI_PUBLIC__;
 
 extern long double strtold_l(const char *, char **, locale_t) __LIBC_ABI_PUBLIC__;
-extern long long strtoll_l(const char *, char **, size_t, locale_t) __LIBC_ABI_PUBLIC__;
-extern unsigned long long strtoull_l(const char *, char **, size_t, locale_t) __LIBC_ABI_PUBLIC__;
+extern long long strtoll_l(const char *, char **, int, locale_t) __LIBC_ABI_PUBLIC__;
+extern unsigned long long strtoull_l(const char *, char **, int, locale_t) __LIBC_ABI_PUBLIC__;
 
 extern int atoi(const char*) __purefunc;
 extern long atol(const char*) __purefunc;
diff --git a/libc/include/wchar.h b/libc/include/wchar.h
index 1898c7e..e0e5c82 100644
--- a/libc/include/wchar.h
+++ b/libc/include/wchar.h
@@ -151,8 +151,8 @@
 extern int               wprintf(const wchar_t *, ...);
 extern int               wscanf(const wchar_t *, ...);
 
-extern long long          wcstoll_l(const wchar_t *, wchar_t **, size_t, locale_t);
-extern unsigned long long wcstoull_l(const wchar_t *, wchar_t **, size_t, locale_t);
+extern long long          wcstoll_l(const wchar_t *, wchar_t **, int, locale_t);
+extern unsigned long long wcstoull_l(const wchar_t *, wchar_t **, int, locale_t);
 extern long double        wcstold_l(const wchar_t *, wchar_t **, locale_t );
 
 extern int    wcscoll_l(const wchar_t *, const wchar_t *, locale_t);