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#ifndef KERN_STRING_H_
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#ifndef KERN_STRING_H_
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#define KERN_STRING_H_
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#define KERN_STRING_H_
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#include <typedefs.h>
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#include <typedefs.h>
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#define UTF8_NO_LIMIT  ((index_t) -1)
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#define UTF8_NO_LIMIT  ((size_t) -1)
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extern char invalch;
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extern char invalch;
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extern wchar_t utf8_decode(const char *str, index_t *index, index_t limit);
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extern wchar_t chr_decode(const char *, size_t *, size_t);
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extern bool utf8_encode(const wchar_t ch, char *str, index_t *index, index_t limit);
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extern bool chr_encode(const wchar_t, char *, size_t *, size_t limit);
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extern size_t utf8_count_bytes(const char *str, count_t count);
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extern size_t utf8_count_bytes(const char *str, count_t count);
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extern bool ascii_check(const wchar_t ch);
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extern bool ascii_check(const wchar_t ch);
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extern bool unicode_check(const wchar_t ch);
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extern bool unicode_check(const wchar_t ch);
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extern size_t strlen(const char *str);
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extern size_t strlen(const char *str);