/**  * D header file for Linux string.  *  * Copyright: Copyright © 2019, The D Language Foundation  * License: <a href="http://www.boost.org/LICENSE_1_0.txt">Boost License 1.0</a>.  * Authors: Emily Castellotti  */module core.sys.linux.string; public import core.stdc.string;import core.sys.linux.config; version (linux):extern (C):nothrow:@nogc: static if (_GNU_SOURCE){    pure void* memmem(return scope const void* haystack, size_t haystacklen, scope const void* needle, size_t needlelen);    /// return string describing error number    const(char)* strerrorname_np(int);    /// ditto    const(char)* strerrordesc_np(int);}