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30 lines
1.3 KiB
Plaintext
30 lines
1.3 KiB
Plaintext
@c Documentation of gnulib module 'c-strcase'.
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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-strcase} module contains case-insensitive string comparison
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functions operating on single-byte character strings, like the functions in
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@code{<strings.h>}, that 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 are:
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@smallexample
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extern int c_strcasecmp (const char *s1, const char *s2);
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extern int c_strncasecmp (const char *s1, const char *s2, size_t n);
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@end smallexample
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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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Note: The functions @code{strcasecmp}, @code{strncasecmp} from
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@code{<strings.h>} support only unibyte locales; for multibyte locales,
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you need the functions @code{mbscasecmp}, @code{mbsncasecmp},
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@code{mbspcasecmp}.
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