memcpy.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:1k
- /* Copyright (C) 2000 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /*
- memcpy(dst, src, len)
- moves len bytes from src to dst. The result is dst. This is not
- the same as strncpy or strnmov, while move a maximum of len bytes
- and stop early if they hit a NUL character. This moves len bytes
- exactly, no more, no less. See also bcopy() and bmove() which do
- not return a value but otherwise do the same job.
- */
- #include "strings.h"
- char *memcpy(char *dst, register char *src, register int len)
- {
- register char *d;
- for (d = dst; --len >= 0; *d++ = *src++) ;
- return dst;
- }