/**  * D header file for DragonFlyBSD 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.dragonflybsd.string; public import core.stdc.string;import core.sys.dragonflybsd.sys.cdefs; version (DragonFlyBSD):extern (C):nothrow:@nogc: static if (__BSD_VISIBLE){    pure void* memmem(return scope const void* haystack, size_t haystacklen, scope const void* needle, size_t needlelen);}