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Annotation of 43BSDReno/lib/libc/string/memcpy.3, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" This code is derived from software contributed to Berkeley by
        !             5: .\" Chris Torek.
        !             6: .\"
        !             7: .\" Redistribution and use in source and binary forms are permitted provided
        !             8: .\" that: (1) source distributions retain this entire copyright notice and
        !             9: .\" comment, and (2) distributions including binaries display the following
        !            10: .\" acknowledgement:  ``This product includes software developed by the
        !            11: .\" University of California, Berkeley and its contributors'' in the
        !            12: .\" documentation or other materials provided with the distribution and in
        !            13: .\" all advertising materials mentioning features or use of this software.
        !            14: .\" Neither the name of the University nor the names of its contributors may
        !            15: .\" be used to endorse or promote products derived from this software without
        !            16: .\" specific prior written permission.
        !            17: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            18: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            19: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            20: .\"
        !            21: .\"    @(#)memcpy.3    5.2 (Berkeley) 6/24/90
        !            22: .\"
        !            23: .TH MEMCPY 3 "June 24, 1990"
        !            24: .UC 7
        !            25: .SH NAME
        !            26: memcpy \- copy byte string
        !            27: .SH SYNOPSIS
        !            28: .nf
        !            29: .ft B
        !            30: #include <string.h>
        !            31: 
        !            32: void *
        !            33: memcpy(void *dst, const void *src, size_t len);
        !            34: .ft R
        !            35: .fi
        !            36: .SH DESCRIPTION
        !            37: .B Memcpy
        !            38: copies
        !            39: .I len
        !            40: bytes from string
        !            41: .I src
        !            42: to string
        !            43: .I dst
        !            44: and returns the original value of
        !            45: .IR dst .
        !            46: .SH SEE ALSO
        !            47: bcopy(3), memccpy(3), memmove(3), strcpy(3)
        !            48: .SH STANDARDS
        !            49: .IR Memcpy
        !            50: conforms to ANSI X3.159-1989 (``ANSI C'').
        !            51: .SH BUGS
        !            52: In this implementation
        !            53: .B memcpy
        !            54: is implemented using
        !            55: .IR bcopy (3),
        !            56: and therefore the strings may overlap.
        !            57: On other systems, copying overlapping strings may produce surprises.
        !            58: A simpler solution is to not use
        !            59: .IR memcpy .

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