/**  * D header file for Darwin 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.darwin.string; public import core.stdc.string;import core.sys.darwin.sys.cdefs; version (OSX)    version = Darwin;else version (iOS)    version = Darwin;else version (TVOS)    version = Darwin;else version (WatchOS)    version = Darwin; version (Darwin):extern (C):nothrow:@nogc: static if (__DARWIN_C_LEVEL >= __DARWIN_C_FULL){    // ^ __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);    pure void* memmem(return scope const void* haystack, size_t haystacklen, scope const void* needle, size_t needlelen);}