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29 lines
1.2 KiB
Plaintext
29 lines
1.2 KiB
Plaintext
@c Documentation of gnulib module 'c-strcaseeq'.
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@c Copyright (C) 2008-2017 Free Software Foundation, Inc.
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@c Permission is granted to copy, distribute and/or modify this document
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@c under the terms of the GNU Free Documentation License, Version 1.3 or
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@c any later version published by the Free Software Foundation; with no
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@c Invariant Sections, no Front-Cover Texts, and no Back-Cover
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@c Texts. A copy of the license is included in the ``GNU Free
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@c Documentation License'' file as part of this distribution.
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The @code{c-strcaseeq} module contains an optimized case-insensitive
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string comparison function operating on single-byte character strings, that
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operate as if the locale encoding was ASCII.
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(The "C" locale on many systems has the locale encoding "ASCII".)
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The functions is actually implemented as a macro:
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@smallexample
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extern int STRCASEEQ (const char *s1, const char *s2,
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int s20, int s21, int s22, int s23, int s24, int s25,
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int s26, int s27, int s28);
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@end smallexample
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@var{s2} should be a short literal ASCII string, and @var{s20}, @var{s21}, ...
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the individual characters of @var{s2}.
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For case conversion here, only ASCII characters are considered to be
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upper case or lower case.
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