1.\" $NetBSD: strings.3,v 1.1 2007/02/17 09:32:58 wiz Exp $ 2.\" 3.\" Copyright (c) 2007 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Thomas Klausner. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd February 17, 2007 31.Dt STRINGS 3 32.Os 33.Sh NAME 34.Nm bcmp , 35.Nm bcopy , 36.Nm bzero , 37.Nm ffs , 38.Nm index , 39.Nm rindex , 40.Nm strcasecmp , 41.Nm strncasecmp 42.Nd string operations 43.Sh LIBRARY 44.Lb libc 45.Sh SYNOPSIS 46.In strings.h 47.Ft int 48.Fn bcmp "const void *b1" "const void *b2" "size_t len" 49.Ft void 50.Fn bcopy "const void *src" "void *dst" "size_t len" 51.Ft void 52.Fn bzero "void *b" "size_t len" 53.Ft int 54.Fn ffs "int value" 55.Ft char * 56.Fn index "const char *s" "int c" 57.Ft char * 58.Fn rindex "const char *s" "int c" 59.Ft int 60.Fn strcasecmp "const char *s1" "const char *s2" 61.Ft int 62.Fn strncasecmp "const char *s1" "const char *s2" "size_t len" 63.Sh DESCRIPTION 64These functions all live in the 65.Pa strings.h 66header file. 67Except for 68.Fn ffs , 69they operate on strings. 70.Fn index , 71.Fn rindex , 72and 73.Fn strcasecmp 74need nul-terminated strings. 75.Pp 76See the specific manual pages for more information. 77.Pp 78See 79.Xr string 3 80for string functions that follow 81.St -ansiC 82or 83.St -isoC-99 , 84.Xr bstring 3 85for functions that operate on strings that are not nul-terminated, and 86.Xr bitstring 3 87for bit-string manipulation macros. 88.Sh SEE ALSO 89.Xr bcmp 3 , 90.Xr bcopy 3 , 91.Xr bitstring 3 , 92.Xr bstring 3 , 93.Xr bzero 3 , 94.Xr ffs 3 , 95.Xr index 3 , 96.Xr rindex 3 , 97.Xr strcasecmp 3 , 98.Xr string 3 99