helos1/runtime/memcpy.h
2021-10-10 14:11:45 +08:00

65 lines
2.1 KiB
C

/********************************************************************
** File: memcpy.h
**
** Copyright (C) 2005 Daniel Vik
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software.
** Permission is granted to anyone to use this software for any
** purpose, including commercial applications, and to alter it and
** redistribute it freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you
** must not claim that you wrote the original software. If you
** use this software in a product, an acknowledgment in the
** use this software in a product, an acknowledgment in the
** product documentation would be appreciated but is not
** required.
**
** 2. Altered source versions must be plainly marked as such, and
** must not be misrepresented as being the original software.
**
** 3. This notice may not be removed or altered from any source
** distribution.
**
**
** Description: Implementation of the standard library function memcpy.
** This implementation of memcpy() is ANSI-C89 compatible.
**
*******************************************************************/
#pragma once
/********************************************************************
** Includes for size_t definition
*******************************************************************/
#include <stddef.h>
/********************************************************************
**
** void *memcpy(void *dest, const void *src, size_t count)
**
** Args: dest - pointer to destination buffer
** src - pointer to source buffer
** count - number of bytes to copy
**
** Return: A pointer to destination buffer
**
** Purpose: Copies count bytes from src to dest. No overlap check
** is performed.
**
*******************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
void *memcpy(void *dest, const void *src, size_t count);
#ifdef __cplusplus
}
#endif