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72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
NAME
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strncasecmp - compare two strings up to n characters, case independent
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SYNOPSIS
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strncasecmp(s1, s2, n)
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TYPES
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s1 string
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s2 string
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n nonnegative integer
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return integer (1, 0 or -1)
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DESCRIPTION
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Let n1 = size(s1), n2 = size(s2) and m = min(n1, n2, n).
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This function compares up to m values of consecutive characters
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in the strings s1 and s2. If an inequality is encountered, the
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function returns 1 or -1 according as the greater character is
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in s1 or s2. If there has been no inequality, the function
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returns 1, 0, or -1 according as min(n1, n) is greater than, equal
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to, or less than min(n2, n); in particular, if n1 and n2 are
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both greater than equal to n, 0 is returned.
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This function is case independent.
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EXAMPLE
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strncasecmp("abc", "xyz", 0) == 0
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strncasecmp("abc", "xyz", 1) == -1
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strncasecmp("abc", "", 1) == 1
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strncasecmp("a", "b", 2) == -1
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strncasecmp("ab", "Ac", 2) == -1
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strncasecmp("\0ac", "\0b", 2) == -1
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strncasecmp("ab", "aBc", 2) == 0
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strncasecmp("abc", "abd", 2) == 0
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LIMITS
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none
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LINK LIBRARY
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This function uses FLAG stringcaserel(STRING *s1, STRING *s2),
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temporarily replacing the string sizes by min(n1,n) and min(n2,n).
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SEE ALSO
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strcat, strcpy, strerror, strlen, strncpy, strpos, strcasecmp
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strprintf, strscan, strscanf, substr
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## Copyright (C) 2013 Christoph Zurnieden
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##
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## @(#) $Revision: 30.3 $
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## @(#) $Id: strncasecmp,v 30.3 2013/09/01 20:08:38 chongo Exp $
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## @(#) $Source: /usr/local/src/bin/calc/help/RCS/strncasecmp,v $
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##
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## Under source code control: 2013/09/01 20:04:02
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## File existed as early as: 2013
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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