* lib/string.in.h (mbstok_r): Use 'restrict'.
2020-02-23 Bruno Haible <bruno@clisp.org>
+ mbstok_r: Use 'restrict'.
+ * lib/string.in.h (mbstok_r): Use 'restrict'.
+
xmemcoll: Use 'restrict'.
* lib/xmemcoll.h (xmemcoll): Use 'restrict'.
* modules/xmemcoll (configure.ac): Require AC_C_RESTRICT.
Caveat: The identity of the delimiting character is lost.
See also mbssep(). */
-_GL_EXTERN_C char * mbstok_r (char *string, const char *delim, char **save_ptr)
+_GL_EXTERN_C char * mbstok_r (char *restrict string, const char *delim,
+ char **save_ptr)
_GL_ARG_NONNULL ((2, 3));
#endif