12fe8fb19SBen Gras.\" Copyright (c) 1990, 1991, 1993 22fe8fb19SBen Gras.\" The Regents of the University of California. All rights reserved. 32fe8fb19SBen Gras.\" 42fe8fb19SBen Gras.\" This code is derived from software contributed to Berkeley by 52fe8fb19SBen Gras.\" Chris Torek. 62fe8fb19SBen Gras.\" Redistribution and use in source and binary forms, with or without 72fe8fb19SBen Gras.\" modification, are permitted provided that the following conditions 82fe8fb19SBen Gras.\" are met: 92fe8fb19SBen Gras.\" 1. Redistributions of source code must retain the above copyright 102fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer. 112fe8fb19SBen Gras.\" 2. Redistributions in binary form must reproduce the above copyright 122fe8fb19SBen Gras.\" notice, this list of conditions and the following disclaimer in the 132fe8fb19SBen Gras.\" documentation and/or other materials provided with the distribution. 142fe8fb19SBen Gras.\" 3. Neither the name of the University nor the names of its contributors 152fe8fb19SBen Gras.\" may be used to endorse or promote products derived from this software 162fe8fb19SBen Gras.\" without specific prior written permission. 172fe8fb19SBen Gras.\" 182fe8fb19SBen Gras.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 192fe8fb19SBen Gras.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 202fe8fb19SBen Gras.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 212fe8fb19SBen Gras.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 222fe8fb19SBen Gras.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 232fe8fb19SBen Gras.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 242fe8fb19SBen Gras.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 252fe8fb19SBen Gras.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 262fe8fb19SBen Gras.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 272fe8fb19SBen Gras.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 282fe8fb19SBen Gras.\" SUCH DAMAGE. 292fe8fb19SBen Gras.\" 302fe8fb19SBen Gras.\" from: @(#)index.3 8.1 (Berkeley) 6/4/93 31*f14fb602SLionel Sambuc.\" $NetBSD: index.3,v 1.15 2012/05/05 21:18:43 dholland Exp $ 322fe8fb19SBen Gras.\" 33*f14fb602SLionel Sambuc.Dd May 5, 2012 342fe8fb19SBen Gras.Dt INDEX 3 352fe8fb19SBen Gras.Os 362fe8fb19SBen Gras.Sh NAME 372fe8fb19SBen Gras.Nm index 382fe8fb19SBen Gras.Nd locate character in string 392fe8fb19SBen Gras.Sh LIBRARY 402fe8fb19SBen Gras.Lb libc 412fe8fb19SBen Gras.Sh SYNOPSIS 422fe8fb19SBen Gras.In strings.h 432fe8fb19SBen Gras.Ft char * 442fe8fb19SBen Gras.Fn index "const char *s" "int c" 452fe8fb19SBen Gras.Sh DESCRIPTION 462fe8fb19SBen GrasThe 472fe8fb19SBen Gras.Fn index 482fe8fb19SBen Grasfunction 492fe8fb19SBen Graslocates the first character matching 502fe8fb19SBen Gras.Fa c 512fe8fb19SBen Gras(converted to a 522fe8fb19SBen Gras.Em char ) 532fe8fb19SBen Grasin the nul-terminated string 542fe8fb19SBen Gras.Fa s . 55*f14fb602SLionel Sambuc.Pp 56*f14fb602SLionel SambucThis function is obsolete. 57*f14fb602SLionel SambucThe equivalent function 58*f14fb602SLionel Sambuc.Xr strchr 3 59*f14fb602SLionel Sambucshould be used instead. 602fe8fb19SBen Gras.Sh RETURN VALUES 612fe8fb19SBen GrasA pointer to the character is returned if it is found; otherwise 622fe8fb19SBen Gras.Dv NULL 632fe8fb19SBen Grasis returned. 642fe8fb19SBen GrasIf 652fe8fb19SBen Gras.Fa c 662fe8fb19SBen Grasis '\e0', 672fe8fb19SBen Gras.Fn index 682fe8fb19SBen Graslocates the terminating '\e0'. 692fe8fb19SBen Gras.Sh SEE ALSO 702fe8fb19SBen Gras.Xr memchr 3 , 712fe8fb19SBen Gras.Xr rindex 3 , 722fe8fb19SBen Gras.Xr strchr 3 , 732fe8fb19SBen Gras.Xr strcspn 3 , 742fe8fb19SBen Gras.Xr strpbrk 3 , 752fe8fb19SBen Gras.Xr strrchr 3 , 762fe8fb19SBen Gras.Xr strsep 3 , 772fe8fb19SBen Gras.Xr strspn 3 , 782fe8fb19SBen Gras.Xr strstr 3 , 792fe8fb19SBen Gras.Xr strtok 3 802fe8fb19SBen Gras.Sh STANDARDS 812fe8fb19SBen GrasThe 822fe8fb19SBen Gras.Fn index 832fe8fb19SBen Grasfunction conforms to 842fe8fb19SBen Gras.St -p1003.1-2001 . 852fe8fb19SBen GrasThe 862fe8fb19SBen Gras.St -p1003.1-2004 872fe8fb19SBen Grasrevision marked it as legacy and recommended the use of 882fe8fb19SBen Gras.Xr strchr 3 892fe8fb19SBen Grasinstead. 902fe8fb19SBen GrasThe 912fe8fb19SBen Gras.St -p1003.1-2008 922fe8fb19SBen Grasrevision removed 932fe8fb19SBen Gras.Fn index 942fe8fb19SBen Grasfrom the specification. 952fe8fb19SBen Gras.Sh HISTORY 962fe8fb19SBen GrasAn 972fe8fb19SBen Gras.Fn index 982fe8fb19SBen Grasfunction appeared in 992fe8fb19SBen Gras.At v6 . 100