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29 lines
1.2 KiB
C
29 lines
1.2 KiB
C
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/* memxor.h -- perform binary exclusive OR operation on memory blocks.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Simon Josefsson. The interface was inspired by memxor
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in Niels Möller's Nettle. */
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#pragma once
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#include <stddef.h>
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/* Compute binary exclusive OR of memory areas DEST and SRC, putting
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the result in DEST, of length N bytes. Returns a pointer to
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DEST. */
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void* memxor(void* /*restrict*/ dest, const void* /*restrict*/ src, size_t n);
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