/*-------------------------------------------------------------------------
*
* 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
#include "mb/pg_wchar.h"
typedef size_t (*WordBoundaryNext) (void *wbstate);
pg_wchar unicode_lowercase_simple(pg_wchar code);
pg_wchar unicode_titlecase_simple(pg_wchar code);
pg_wchar unicode_uppercase_simple(pg_wchar code);
pg_wchar unicode_casefold_simple(pg_wchar 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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