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File Content: `ucase.c`

/*
*******************************************************************************
*
*   © 2016 and later: Unicode, Inc. and others.
*   License & terms of use: http://www.unicode.org/copyright.html#License
*
*******************************************************************************
*******************************************************************************
*
*   Copyright (C) 2003-2004, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
****
*
*   Case folding examples, in C 
*
*******************************************************************************
*/

#include "unicode/uchar.h"
#include "unicode/ustring.h"
#include "unicode/utypes.h"
#include "unicode/ustdio.h"

/* Note: don't use 'k' or 'K' because we might be on EBCDIC */

int c_main(UFILE *out)
{
  UChar32 ch;
  UErrorCode errorCode = U_ZERO_ERROR;
  static const UChar upper[] = {0x61, 0x42, 0x49, 0}; /* upper = "aBI" */
  static const UChar lower[] = {0x61, 0x42, 0x69, 0}; /* lower = "abi" */
  /* unfold = "aB LATIN SMALL LETTER DOTLESS I" */
  static const UChar unfold[] = {0x61, 0x42, 0x131, 0} ;
  UChar buffer[32];
  const UChar char_k = 0x006b; /* 'k' */  
  const UChar char_K = 0x004b; /* 'K' */
  
  int length;

  printf("** C Case Mapping Sample\n");

  /* uchar.h APIs, single character case mapping */
  ch = u_toupper(char_k); /* ch = 'K' */
  u_fprintf(out, "toupper(%C) = %C\n", char_k, ch);
  ch = u_tolower(ch); /* ch = 'k' */
  u_fprintf(out, "tolower() = %C\n", ch);
  ch = u_totitle(char_k); /* ch = 'K' */
  u_fprintf(out, "totitle(%C) = %C\n", char_k, ch);
  ch = u_foldCase(char_K, U_FOLD_CASE_DEFAULT); /* ch = 'k' */
  u_fprintf(out, "u_foldCase(%C, U_FOLD_CASE_DEFAULT) = %C\n", char_K, (UChar) ch);

  /* ustring.h APIs, UChar * string case mapping with a Turkish locale */
  /* result buffer = "ab?" latin small letter a, latin small letter b, latin
     small letter dotless i */
  length = u_strToLower(buffer, sizeof(buffer)/sizeof(buffer[0]), upper, 
                        sizeof(upper)/sizeof(upper[0]), "tr", &errorCode);
  if(U_FAILURE(errorCode) || buffer[length]!=0) {
    u_fprintf(out, "error in u_strToLower(Turkish locale)=%ld error=%s\n", length, 
           u_errorName(errorCode));
  }
  
  u_fprintf(out, "u_strToLower(%S, turkish) -> %S\n", upper, buffer);


  /* ustring.h APIs, UChar * string case mapping with a English locale */
  /* result buffer = "ABI" latin CAPITAL letter A, latin capital letter B,
     latin capital letter I */
  length = u_strToUpper(buffer, sizeof(buffer)/sizeof(buffer[0]), upper, 
                        sizeof(upper)/sizeof(upper[0]), "en", &errorCode);
  if(U_FAILURE(errorCode) || buffer[length]!=0) {
    u_fprintf(out, "error in u_strToLower(English locale)=%ld error=%s\n", length, 
              u_errorName(errorCode));
  }
  u_fprintf(out, "u_strToUpper(%S, english) -> %S\n", lower, buffer);


  /* ustring.h APIs, UChar * string case folding */
  /* result buffer = "abi" */
  length = u_strFoldCase(buffer, sizeof(buffer)/sizeof(buffer[0]), unfold, 
                         sizeof(unfold)/sizeof(unfold[0]), U_FOLD_CASE_DEFAULT,
                         &errorCode);
  if(U_FAILURE(errorCode) || buffer[length]!=0) {
    u_fprintf(out, "error in u_strFoldCase()=%ld error=%s\n", length, 
           u_errorName(errorCode));
  }
  u_fprintf(out, "u_strFoldCase(%S, U_FOLD_CASE_DEFAULT) -> %S\n", unfold, buffer);
  u_fprintf(out, "\n** end of C sample\n");

  return 0;
}
Name	Size	Permission
Makefile	649 bytes	0644
case.cpp	2870 bytes	0644
case.sln	1198 bytes	0644
case.vcxproj	9269 bytes	0644
case.vcxproj.filters	966 bytes	0644
readme.txt	2213 bytes	0644
ucase.c	3488 bytes	0644
File Content: ucase.c

File Content: `ucase.c`
