// Copyright 2016 The Fuchsia Authors // Copyright (c) 2008 Travis Geiselbrecht // // Use of this source code is governed by a MIT-style // license that can be found in the LICENSE file or at // https://opensource.org/licenses/MIT #pragma once #include __BEGIN_CDECLS int isalnum(int c); int isalpha(int c); int isblank(int c); int iscntrl(int c); int isdigit(int c); int isgraph(int c); int islower(int c); int isprint(int c); int ispunct(int c); int isspace(int c); int isupper(int c); int isxdigit(int c); int tolower(int c); int toupper(int c); __END_CDECLS