158f0484fSRodney W. Grimes.\" Copyright (c) 1990, 1991, 1993 258f0484fSRodney W. Grimes.\" The Regents of the University of California. All rights reserved. 358f0484fSRodney W. Grimes.\" 458f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 558f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions 658f0484fSRodney W. Grimes.\" are met: 758f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 858f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 958f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 1058f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 1158f0484fSRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 1258f0484fSRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 1358f0484fSRodney W. Grimes.\" must display the following acknowledgement: 1458f0484fSRodney W. Grimes.\" This product includes software developed by the University of 1558f0484fSRodney W. Grimes.\" California, Berkeley and its contributors. 1658f0484fSRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 1758f0484fSRodney W. Grimes.\" may be used to endorse or promote products derived from this software 1858f0484fSRodney W. Grimes.\" without specific prior written permission. 1958f0484fSRodney W. Grimes.\" 2058f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2158f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2258f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2358f0484fSRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2458f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2558f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2658f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2758f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2858f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2958f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3058f0484fSRodney W. Grimes.\" SUCH DAMAGE. 3158f0484fSRodney W. Grimes.\" 3258f0484fSRodney W. Grimes.\" @(#)strdup.3 8.1 (Berkeley) 6/9/93 3358f0484fSRodney W. Grimes.\" 3458f0484fSRodney W. Grimes.Dd June 9, 1993 3558f0484fSRodney W. Grimes.Dt STRDUP 3 3658f0484fSRodney W. Grimes.Os 3758f0484fSRodney W. Grimes.Sh NAME 3858f0484fSRodney W. Grimes.Nm strdup 3958f0484fSRodney W. Grimes.Nd save a copy of a string 4058f0484fSRodney W. Grimes.Sh SYNOPSIS 4158f0484fSRodney W. Grimes.Fd #include <string.h> 4258f0484fSRodney W. Grimes.Ft char * 4358f0484fSRodney W. Grimes.Fn strdup "const char *str" 4458f0484fSRodney W. Grimes.Sh DESCRIPTION 4558f0484fSRodney W. GrimesThe 4658f0484fSRodney W. Grimes.Fn strdup 4758f0484fSRodney W. Grimesfunction 4858f0484fSRodney W. Grimesallocates sufficient memory for a copy 4958f0484fSRodney W. Grimesof the string 5058f0484fSRodney W. Grimes.Fa str , 5158f0484fSRodney W. Grimesdoes the copy, and returns a pointer to it. 5258f0484fSRodney W. GrimesThe pointer may subsequently be used as an 5358f0484fSRodney W. Grimesargument to the function 5458f0484fSRodney W. Grimes.Xr free 3 . 5558f0484fSRodney W. Grimes.Pp 5658f0484fSRodney W. GrimesIf insufficient memory is available, NULL is returned. 5758f0484fSRodney W. Grimes.Sh SEE ALSO 5858f0484fSRodney W. Grimes.Xr malloc 3 5958f0484fSRodney W. Grimes.Xr free 3 6058f0484fSRodney W. Grimes.Sh HISTORY 6158f0484fSRodney W. GrimesThe 6258f0484fSRodney W. Grimes.Fn strdup 637bdf80e5SMike Pritchardfunction first appeared in 647bdf80e5SMike Pritchard.Bx 4.4 . 65