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.\" This code is derived from software contributed to Berkeley by 558f0484fSRodney W. Grimes.\" Chris Torek. 658f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without 758f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions 858f0484fSRodney W. Grimes.\" are met: 958f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright 1058f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer. 1158f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright 1258f0484fSRodney W. Grimes.\" notice, this list of conditions and the following disclaimer in the 1358f0484fSRodney W. Grimes.\" documentation and/or other materials provided with the distribution. 1458f0484fSRodney W. Grimes.\" 3. All advertising materials mentioning features or use of this software 1558f0484fSRodney W. Grimes.\" must display the following acknowledgement: 1658f0484fSRodney W. Grimes.\" This product includes software developed by the University of 1758f0484fSRodney W. Grimes.\" California, Berkeley and its contributors. 1858f0484fSRodney W. Grimes.\" 4. Neither the name of the University nor the names of its contributors 1958f0484fSRodney W. Grimes.\" may be used to endorse or promote products derived from this software 2058f0484fSRodney W. Grimes.\" without specific prior written permission. 2158f0484fSRodney W. Grimes.\" 2258f0484fSRodney W. Grimes.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2358f0484fSRodney W. Grimes.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2458f0484fSRodney W. Grimes.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2558f0484fSRodney W. Grimes.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2658f0484fSRodney W. Grimes.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2758f0484fSRodney W. Grimes.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2858f0484fSRodney W. Grimes.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2958f0484fSRodney W. Grimes.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3058f0484fSRodney W. Grimes.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3158f0484fSRodney W. Grimes.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3258f0484fSRodney W. Grimes.\" SUCH DAMAGE. 3358f0484fSRodney W. Grimes.\" 3458f0484fSRodney W. Grimes.\" @(#)string.3 8.2 (Berkeley) 12/11/93 3558f0484fSRodney W. Grimes.\" 3658f0484fSRodney W. Grimes.Dd December 11, 1993 3758f0484fSRodney W. Grimes.Dt STRING 3 3858f0484fSRodney W. Grimes.Os BSD 4 3958f0484fSRodney W. Grimes.Sh NAME 4058f0484fSRodney W. Grimes.Nm strcat , 4158f0484fSRodney W. Grimes.Nm strncat , 4258f0484fSRodney W. Grimes.Nm strchr , 4358f0484fSRodney W. Grimes.Nm strrchr , 4458f0484fSRodney W. Grimes.Nm strcmp , 4558f0484fSRodney W. Grimes.Nm strncmp , 4658f0484fSRodney W. Grimes.Nm strcasecmp, 4758f0484fSRodney W. Grimes.Nm strncasecmp , 4858f0484fSRodney W. Grimes.Nm strcpy , 4958f0484fSRodney W. Grimes.Nm strncpy , 5058f0484fSRodney W. Grimes.Nm strerror , 5158f0484fSRodney W. Grimes.Nm strlen , 5258f0484fSRodney W. Grimes.Nm strpbrk , 5358f0484fSRodney W. Grimes.Nm strsep, 5458f0484fSRodney W. Grimes.Nm strspn , 5558f0484fSRodney W. Grimes.Nm strcspn , 5658f0484fSRodney W. Grimes.Nm strstr , 5758f0484fSRodney W. Grimes.Nm strtok , 5858f0484fSRodney W. Grimes.Nm index , 5958f0484fSRodney W. Grimes.Nm rindex 6058f0484fSRodney W. Grimes.Nd string specific functions 6158f0484fSRodney W. Grimes.Sh SYNOPSIS 6258f0484fSRodney W. Grimes.Fd #include <string.h> 6358f0484fSRodney W. Grimes.Ft char * 6458f0484fSRodney W. Grimes.Fn strcat "char *s" "const char * append" 6558f0484fSRodney W. Grimes.Ft char * 6658f0484fSRodney W. Grimes.Fn strncat "char *s" "const char *append" "size_t count" 6758f0484fSRodney W. Grimes.Ft char * 6858f0484fSRodney W. Grimes.Fn strchr "const char *s" "int c" 6958f0484fSRodney W. Grimes.Ft char * 7058f0484fSRodney W. Grimes.Fn strrchr "const char *s" "int c" 7158f0484fSRodney W. Grimes.Ft int 7258f0484fSRodney W. Grimes.Fn strcmp "const char *s1" "const char *s2" 7358f0484fSRodney W. Grimes.Ft int 7458f0484fSRodney W. Grimes.Fn strncmp "const char *s1" "const char *s2" "size_t count" 7558f0484fSRodney W. Grimes.Ft int 7658f0484fSRodney W. Grimes.Fn strcasecmp "const char *s1" "const char *s2" 7758f0484fSRodney W. Grimes.Ft int 7858f0484fSRodney W. Grimes.Fn strncasecmp "const char *s1" "const char *s2" "size_t count" 7958f0484fSRodney W. Grimes.Ft char * 8058f0484fSRodney W. Grimes.Fn strcpy "char *dst" "const char *src" 8158f0484fSRodney W. Grimes.Ft char * 8258f0484fSRodney W. Grimes.Fn strncpy "char *dst" "const char *src" "size_t count" 8358f0484fSRodney W. Grimes.Ft char * 8458f0484fSRodney W. Grimes.Fn strerror "int errno" 8558f0484fSRodney W. Grimes.Ft size_t 8658f0484fSRodney W. Grimes.Fn strlen "const char *s" 8758f0484fSRodney W. Grimes.Ft char * 8858f0484fSRodney W. Grimes.Fn strpbrk "const char *s" "const char *charset" 8958f0484fSRodney W. Grimes.Ft char * 9058f0484fSRodney W. Grimes.Fn strsep "char **stringp" "const char *delim" 9158f0484fSRodney W. Grimes.Ft size_t 9258f0484fSRodney W. Grimes.Fn strspn "const char *s" "const char *charset" 9358f0484fSRodney W. Grimes.Ft size_t 9458f0484fSRodney W. Grimes.Fn strcspn "const char *s" "const char *charset" 9558f0484fSRodney W. Grimes.Ft char * 9658f0484fSRodney W. Grimes.Fn strstr "const char *big" "const char *little" 9758f0484fSRodney W. Grimes.Ft char * 9858f0484fSRodney W. Grimes.Fn strtok "char *s" "const char *delim" 9958f0484fSRodney W. Grimes.Ft char * 10058f0484fSRodney W. Grimes.Fn index "const char *s" "int c" 10158f0484fSRodney W. Grimes.Ft char * 10258f0484fSRodney W. Grimes.Fn rindex "const char *s" "int c" 10358f0484fSRodney W. Grimes.Sh DESCRIPTION 10458f0484fSRodney W. GrimesThe string 10558f0484fSRodney W. Grimesfunctions manipulate strings terminated by a 10658f0484fSRodney W. Grimesnull byte. 10758f0484fSRodney W. Grimes.Pp 10858f0484fSRodney W. GrimesSee the specific manual pages for more information. 10958f0484fSRodney W. GrimesFor manipulating variable length generic objects as byte 11058f0484fSRodney W. Grimesstrings (without the null byte check), see 11158f0484fSRodney W. Grimes.Xr bstring 3 . 11258f0484fSRodney W. Grimes.Pp 11358f0484fSRodney W. GrimesExcept as noted in their specific manual pages, 11458f0484fSRodney W. Grimesthe string functions do not test the destination 11558f0484fSRodney W. Grimesfor size limitations. 11658f0484fSRodney W. Grimes.Sh SEE ALSO 11758f0484fSRodney W. Grimes.Xr index 3 , 11858f0484fSRodney W. Grimes.Xr strcat 3 , 11958f0484fSRodney W. Grimes.Xr strchr 3 , 12058f0484fSRodney W. Grimes.Xr strrchr 3 , 12158f0484fSRodney W. Grimes.Xr strcmp 3 , 12258f0484fSRodney W. Grimes.Xr strcasecmp 3 , 12358f0484fSRodney W. Grimes.Xr strcpy 3 , 12458f0484fSRodney W. Grimes.Xr strerror 3 , 12558f0484fSRodney W. Grimes.Xr strlen 3 , 12658f0484fSRodney W. Grimes.Xr strpbrk 3 , 12758f0484fSRodney W. Grimes.Xr strsep 3 , 12858f0484fSRodney W. Grimes.Xr strspn 3 , 12958f0484fSRodney W. Grimes.Xr strcspn 3 , 13058f0484fSRodney W. Grimes.Xr strstr 3 , 13158f0484fSRodney W. Grimes.Xr strtok 3 , 13258f0484fSRodney W. Grimes.Xr rindex 3 13358f0484fSRodney W. Grimes.Xr bstring 3 13458f0484fSRodney W. Grimes.Sh STANDARDS 13558f0484fSRodney W. GrimesThe 13658f0484fSRodney W. Grimes.Fn strcat , 13758f0484fSRodney W. Grimes.Fn strncat , 13858f0484fSRodney W. Grimes.Fn strchr , 13958f0484fSRodney W. Grimes.Fn strrchr , 14058f0484fSRodney W. Grimes.Fn strcmp , 14158f0484fSRodney W. Grimes.Fn strncmp , 14258f0484fSRodney W. Grimes.Fn strcpy , 14358f0484fSRodney W. Grimes.Fn strncpy , 14458f0484fSRodney W. Grimes.Fn strerror , 14558f0484fSRodney W. Grimes.Fn strlen , 14658f0484fSRodney W. Grimes.Fn strpbrk , 14758f0484fSRodney W. Grimes.Fn strsep , 14858f0484fSRodney W. Grimes.Fn strspn , 14958f0484fSRodney W. Grimes.Fn strcspn , 15058f0484fSRodney W. Grimes.Fn strstr , 15158f0484fSRodney W. Grimesand 15258f0484fSRodney W. Grimes.Fn strtok 15358f0484fSRodney W. Grimesfunctions 15458f0484fSRodney W. Grimesconform to 15558f0484fSRodney W. Grimes.St -ansiC . 156