xref: /freebsd/lib/libc/string/strcoll.3 (revision db356f037072841438ff2550b39c3e7607a3d8e8)
17b7aeeccSAndrey A. Chernov.\" Copyright (c) 1990, 1991, 1993
27b7aeeccSAndrey A. Chernov.\"	The Regents of the University of California.  All rights reserved.
37b7aeeccSAndrey A. Chernov.\"
47b7aeeccSAndrey A. Chernov.\" This code is derived from software contributed to Berkeley by
57b7aeeccSAndrey A. Chernov.\" Chris Torek and the American National Standards Committee X3,
67b7aeeccSAndrey A. Chernov.\" on Information Processing Systems.
758f0484fSRodney W. Grimes.\"
858f0484fSRodney W. Grimes.\" Redistribution and use in source and binary forms, with or without
958f0484fSRodney W. Grimes.\" modification, are permitted provided that the following conditions
1058f0484fSRodney W. Grimes.\" are met:
1158f0484fSRodney W. Grimes.\" 1. Redistributions of source code must retain the above copyright
1258f0484fSRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer.
1358f0484fSRodney W. Grimes.\" 2. Redistributions in binary form must reproduce the above copyright
1458f0484fSRodney W. Grimes.\"    notice, this list of conditions and the following disclaimer in the
1558f0484fSRodney W. Grimes.\"    documentation and/or other materials provided with the distribution.
167b7aeeccSAndrey A. Chernov.\" 4. Neither the name of the University nor the names of its contributors
177b7aeeccSAndrey A. Chernov.\"    may be used to endorse or promote products derived from this software
187b7aeeccSAndrey A. Chernov.\"    without specific prior written permission.
1958f0484fSRodney W. Grimes.\"
207b7aeeccSAndrey A. Chernov.\" 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
237b7aeeccSAndrey A. Chernov.\" 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
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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.\"
327b7aeeccSAndrey A. Chernov.\"     @(#)strcoll.3	8.1 (Berkeley) 6/4/93
337f3dea24SPeter Wemm.\" $FreeBSD$
347b7aeeccSAndrey A. Chernov.\"
357b7aeeccSAndrey A. Chernov.Dd June 4, 1993
3658f0484fSRodney W. Grimes.Dt STRCOLL 3
3758f0484fSRodney W. Grimes.Os
3858f0484fSRodney W. Grimes.Sh NAME
3958f0484fSRodney W. Grimes.Nm strcoll
4058f0484fSRodney W. Grimes.Nd compare strings according to current collation
4125bb73e0SAlexey Zelkin.Sh LIBRARY
4225bb73e0SAlexey Zelkin.Lb libc
4358f0484fSRodney W. Grimes.Sh SYNOPSIS
4432eef9aeSRuslan Ermilov.In string.h
4558f0484fSRodney W. Grimes.Ft int
4658f0484fSRodney W. Grimes.Fn strcoll "const char *s1" "const char *s2"
47*db356f03SIsabell Long.Ft int
48*db356f03SIsabell Long.Fn strcoll_l "const char *s1" "const char *s2" "locale_t loc"
4958f0484fSRodney W. Grimes.Sh DESCRIPTION
5058f0484fSRodney W. GrimesThe
5158f0484fSRodney W. Grimes.Fn strcoll
5258f0484fSRodney W. Grimesfunction
5358f0484fSRodney W. Grimeslexicographically compares the null-terminated strings
5458f0484fSRodney W. Grimes.Fa s1
5558f0484fSRodney W. Grimesand
5658f0484fSRodney W. Grimes.Fa s2
5701510e40SDima Dorfmanaccording to the current locale collation
58c2bfae00SAndrey A. Chernovand returns an integer greater than, equal to, or less than 0,
59*db356f03SIsabell Longdepending on whether
60c2bfae00SAndrey A. Chernov.Fa s1
61c2bfae00SAndrey A. Chernovis greater than, equal to, or less than
62c2bfae00SAndrey A. Chernov.Fa s2 .
6301510e40SDima DorfmanIf information about the current locale collation is not available,
6401510e40SDima Dorfmanthe value of
6501510e40SDima Dorfman.Fn strcmp s1 s2
6601510e40SDima Dorfmanis returned.
67*db356f03SIsabell LongThe
68*db356f03SIsabell Long.Fn strcoll_l
69*db356f03SIsabell Longfunction uses an explicit locale argument rather than the system locale.
7058f0484fSRodney W. Grimes.Sh SEE ALSO
7158f0484fSRodney W. Grimes.Xr setlocale 3 ,
7258f0484fSRodney W. Grimes.Xr strcmp 3 ,
732fe3e5cdSTim J. Robbins.Xr strxfrm 3 ,
742fe3e5cdSTim J. Robbins.Xr wcscoll 3
7558f0484fSRodney W. Grimes.Sh STANDARDS
7658f0484fSRodney W. GrimesThe
7758f0484fSRodney W. Grimes.Fn strcoll
78*db356f03SIsabell Longfunction conforms to
79588a200cSRuslan Ermilov.St -isoC .
80*db356f03SIsabell LongThe
81*db356f03SIsabell Long.Fn strcoll_l
82*db356f03SIsabell Longfunction conforms to
83*db356f03SIsabell Long.St -p1003.1-2008 .
84