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28 lines
1.1 KiB
Plaintext
28 lines
1.1 KiB
Plaintext
@c Documentation of gnulib module 'c-strcasestr'.
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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-strcasestr} module contains a case-insensitive string search
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function operating on single-byte character strings, that operate as if the
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locale encoding was ASCII.
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(The "C" locale on many systems has the locale encoding "ASCII".)
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The function is:
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@smallexample
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extern char *c_strcasestr (const char *haystack, const char *needle);
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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 function @code{strcasestr} from @code{<string.h>} supports only
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unibyte locales; for multibyte locales, you need the function
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@code{mbscasestr}.
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