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/*-------------------------------------------------------------------------
*
* unicode_case.h
* Routines for converting character case.
*
* These definitions can be used by both frontend and backend code.
*
* Copyright (c) 2017-2025, PostgreSQL Global Development Group
*
* src/include/common/unicode_case.h
*
*-------------------------------------------------------------------------
*/
#ifndef UNICODE_CASE_H
#define UNICODE_CASE_H
typedef size_t (*WordBoundaryNext) (void *wbstate);
char32_t unicode_lowercase_simple(char32_t code);
char32_t unicode_titlecase_simple(char32_t code);
char32_t unicode_uppercase_simple(char32_t code);
char32_t unicode_casefold_simple(char32_t code);
size_t unicode_strlower(char *dst, size_t dstsize, const char *src,
ssize_t srclen, bool full);
size_t unicode_strtitle(char *dst, size_t dstsize, const char *src,
ssize_t srclen, bool full,
WordBoundaryNext wbnext, void *wbstate);
size_t unicode_strupper(char *dst, size_t dstsize, const char *src,
ssize_t srclen, bool full);
size_t unicode_strfold(char *dst, size_t dstsize, const char *src,
ssize_t srclen, bool full);
#endif /* UNICODE_CASE_H */
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