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