1*2fe8fb19SBen Gras.\" Copyright (c) 1990, 1991, 1993 2*2fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 3*2fe8fb19SBen Gras.\" 4*2fe8fb19SBen Gras.\" This code is derived from software contributed to Berkeley by 5*2fe8fb19SBen Gras.\" Chris Torek. 6*2fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 7*2fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 8*2fe8fb19SBen Gras.\" are met: 9*2fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 10*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 11*2fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 12*2fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 13*2fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 14*2fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 15*2fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 16*2fe8fb19SBen Gras.\" without specific prior written permission. 17*2fe8fb19SBen Gras.\" 18*2fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19*2fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*2fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*2fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22*2fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*2fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*2fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*2fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*2fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*2fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*2fe8fb19SBen Gras.\" SUCH DAMAGE. 29*2fe8fb19SBen Gras.\" 30*2fe8fb19SBen Gras.\" from: @(#)strcasecmp.3 8.1 (Berkeley) 6/9/93 31*2fe8fb19SBen Gras.\" $NetBSD: strcasecmp.3,v 1.17 2006/10/16 08:48:45 wiz Exp $ 32*2fe8fb19SBen Gras.\" 33*2fe8fb19SBen Gras.Dd June 9, 1993 34*2fe8fb19SBen Gras.Dt STRCASECMP 3 35*2fe8fb19SBen Gras.Os 36*2fe8fb19SBen Gras.Sh NAME 37*2fe8fb19SBen Gras.Nm strcasecmp , 38*2fe8fb19SBen Gras.Nm strncasecmp 39*2fe8fb19SBen Gras.Nd compare strings, ignoring case 40*2fe8fb19SBen Gras.Sh LIBRARY 41*2fe8fb19SBen Gras.Lb libc 42*2fe8fb19SBen Gras.Sh SYNOPSIS 43*2fe8fb19SBen Gras.In strings.h 44*2fe8fb19SBen Gras.Ft int 45*2fe8fb19SBen Gras.Fn strcasecmp "const char *s1" "const char *s2" 46*2fe8fb19SBen Gras.Ft int 47*2fe8fb19SBen Gras.Fn strncasecmp "const char *s1" "const char *s2" "size_t len" 48*2fe8fb19SBen Gras.Sh DESCRIPTION 49*2fe8fb19SBen GrasThe 50*2fe8fb19SBen Gras.Fn strcasecmp 51*2fe8fb19SBen Grasand 52*2fe8fb19SBen Gras.Fn strncasecmp 53*2fe8fb19SBen Grasfunctions 54*2fe8fb19SBen Grascompare the nul-terminated strings 55*2fe8fb19SBen Gras.Fa s1 56*2fe8fb19SBen Grasand 57*2fe8fb19SBen Gras.Fa s2 58*2fe8fb19SBen Grasand return an integer greater than, equal to, or less than 0, 59*2fe8fb19SBen Grasaccording to whether 60*2fe8fb19SBen Gras.Fa s1 61*2fe8fb19SBen Grasis lexicographically greater than, equal to, or less than 62*2fe8fb19SBen Gras.Fa s2 63*2fe8fb19SBen Grasafter translation of each corresponding character to lower-case. 64*2fe8fb19SBen GrasThe strings themselves are not modified. 65*2fe8fb19SBen GrasThe comparison is done using unsigned characters, so that 66*2fe8fb19SBen Gras.Sq Li \e200 67*2fe8fb19SBen Grasis greater than 68*2fe8fb19SBen Gras.Ql \e0 . 69*2fe8fb19SBen Gras.Pp 70*2fe8fb19SBen GrasThe 71*2fe8fb19SBen Gras.Fn strncasecmp 72*2fe8fb19SBen Grascompares at most 73*2fe8fb19SBen Gras.Fa len 74*2fe8fb19SBen Grascharacters. 75*2fe8fb19SBen Gras.Sh SEE ALSO 76*2fe8fb19SBen Gras.Xr bcmp 3 , 77*2fe8fb19SBen Gras.Xr memcmp 3 , 78*2fe8fb19SBen Gras.Xr strcmp 3 , 79*2fe8fb19SBen Gras.Xr strcoll 3 , 80*2fe8fb19SBen Gras.Xr strxfrm 3 81*2fe8fb19SBen Gras.Sh HISTORY 82*2fe8fb19SBen GrasThe 83*2fe8fb19SBen Gras.Fn strcasecmp 84*2fe8fb19SBen Grasand 85*2fe8fb19SBen Gras.Fn strncasecmp 86*2fe8fb19SBen Grasfunctions first appeared in 87*2fe8fb19SBen Gras.Bx 4.4 . 88*2fe8fb19SBen Gras.Sh NOTES 89*2fe8fb19SBen GrasIf 90*2fe8fb19SBen Gras.Fa len 91*2fe8fb19SBen Grasis zero 92*2fe8fb19SBen Gras.Fn strncasecmp 93*2fe8fb19SBen Grasreturns always 0. 94