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.\" @(#)strcpy.3 8.1 (Berkeley) 6/4/93 37.\" $FreeBSD$ 38.\" 39.Dd June 4, 1993 40.Dt STRCPY 3 41.Os BSD 4 42.Sh NAME 43.Nm strcpy 44.Nd copy strings 45.Sh LIBRARY 46.Lb libc 47.Sh SYNOPSIS 48.Fd #include <string.h> 49.Ft char * 50.Fn strcpy "char *dst" "const char *src" 51.Ft char * 52.Fn strncpy "char *dst" "const char *src" "size_t len" 53.Sh DESCRIPTION 54The 55.Fn strcpy 56and 57.Fn strncpy 58functions 59copy the string 60.Fa src 61to 62.Fa dst 63(including the terminating 64.Ql \e0 65character). 66.Pp 67The 68.Fn strncpy 69copies not more than 70.Fa len 71characters into 72.Fa dst , 73appending 74.Ql \e0 75characters if 76.Fa src 77is less than 78.Fa len 79characters long, and 80.Em not 81terminating 82.Fa dst 83if 84.Fa src 85is more than 86.Fa len 87characters long. 88.Sh RETURN VALUES 89The 90.Fn strcpy 91and 92.Fn strncpy 93functions 94return 95.Fa dst . 96.Sh EXAMPLES 97The following sets 98.Dq Li chararray 99to 100.Dq Li abc\e0\e0\e0 : 101.Bd -literal -offset indent 102(void)strncpy(chararray, "abc", 6). 103.Ed 104.Pp 105The following sets 106.Dq Li chararray 107to 108.Dq Li abcdef : 109.Bd -literal -offset indent 110(void)strncpy(chararray, "abcdefgh", 6); 111.Ed 112.Sh SEE ALSO 113.Xr bcopy 3 , 114.Xr memccpy 3 , 115.Xr memcpy 3 , 116.Xr memmove 3 , 117.Xr strlcpy 3 118.Sh STANDARDS 119The 120.Fn strcpy 121and 122.Fn strncpy 123functions 124conform to 125.St -isoC . 126