1.\" Copyright (c) 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" Chris Torek and the American National Standards Committee X3, 6.\" on Information Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed by the University of 19.\" California, Berkeley and its contributors. 20.\" 4. Neither the name of the University nor the names of its contributors 21.\" may be used to endorse or promote products derived from this software 22.\" without specific prior written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" from: @(#)strcpy.3 8.1 (Berkeley) 6/4/93 37.\" $NetBSD: strcpy.3,v 1.10 2002/02/07 07:00:32 ross Exp $ 38.\" 39.Dd June 4, 1993 40.Dt STRCPY 3 41.Os 42.Sh NAME 43.Nm strcpy , 44.Nm strncpy 45.Nd copy strings 46.Sh LIBRARY 47.Lb libc 48.Sh SYNOPSIS 49.Fd #include \*[Lt]string.h\*[Gt] 50.Ft char * 51.Fn strcpy "char * restrict dst" "const char * restrict src" 52.Ft char * 53.Fn strncpy "char * restrict dst" "const char * restrict src" "size_t len" 54.Sh DESCRIPTION 55The 56.Fn strcpy 57and 58.Fn strncpy 59functions 60copy the string 61.Fa src 62to 63.Fa dst 64(including the terminating 65.Ql \e0 66character). 67.Pp 68The 69.Fn strncpy 70copies not more than 71.Fa len 72characters into 73.Fa dst , 74appending 75.Ql \e0 76characters if 77.Fa src 78is less than 79.Fa len 80characters long, and 81.Em not 82terminating 83.Fa dst 84if 85.Fa src 86is more than 87.Fa len 88characters long. 89.Sh RETURN VALUES 90The 91.Fn strcpy 92and 93.Fn strncpy 94functions 95return 96.Fa dst . 97.Sh EXAMPLES 98The following sets 99.Dq Li chararray 100to 101.Dq Li abc\e0\e0\e0 : 102.Bd -literal -offset indent 103(void)strncpy(chararray, "abc", 6). 104.Ed 105.Pp 106The following sets 107.Dq Li chararray 108to 109.Dq Li abcdef : 110.Bd -literal -offset indent 111(void)strncpy(chararray, "abcdefgh", 6); 112.Ed 113.Sh SEE ALSO 114.Xr bcopy 3 , 115.Xr memccpy 3 , 116.Xr memcpy 3 , 117.Xr memmove 3 , 118.Xr strlcpy 3 119.Sh STANDARDS 120The 121.Fn strcpy 122and 123.Fn strncpy 124functions 125conform to 126.St -isoC99 . 127