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OpenCC C API

API in C language. More...

## Macros

#define | OPENCC_DEFAULT_CONFIG_SIMP_TO_TRAD "s2t.json"
| Filename of default Simplified to Traditional configuration.
#define | OPENCC_DEFAULT_CONFIG_TRAD_TO_SIMP "t2s.json"
| Filename of default Traditional to Simplified configuration.

## Typedefs

typedef void * | opencc_t
| Type of opencc descriptor.

## Functions

OPENCC_EXPORT opencc_t | opencc_open (const char *configFileName)
| Makes an instance of opencc.
OPENCC_EXPORT int | opencc_close (opencc_t opencc)
| Destroys an instance of opencc.
OPENCC_EXPORT size_t | opencc_convert_utf8_to_buffer (opencc_t opencc, const char *input, size_t length, char *output)
| Converts UTF-8 std::string.
OPENCC_EXPORT char * | opencc_convert_utf8 (opencc_t opencc, const char *input, size_t length)
| Converts UTF-8 std::string This function returns an allocated C-Style std::string, which stores the converted std::string.
OPENCC_EXPORT void | opencc_convert_utf8_free (char *str)
| Releases allocated buffer by opencc_convert_utf8.
OPENCC_EXPORT const char * | opencc_error (void)
| Returns the last error message.

## Detailed Description

API in C language.

## Function Documentation

## opencc_close()

OPENCC_EXPORT int opencc_close | ( | opencc_t | opencc | ) |

Destroys an instance of opencc.

Parameters

  opencc | The description pointer.

Returns
  0 on success or non-zero number on failure.

## opencc_convert_utf8()

OPENCC_EXPORT char * opencc_convert_utf8 | ( | opencc_t | opencc,
|  | const char * | input,
|  | size_t | length )

Converts UTF-8 std::string This function returns an allocated C-Style std::string, which stores the converted std::string.

You MUST call opencc_convert_utf8_free() to release allocated memory.

Parameters

  opencc | The opencc description pointer.
  input | The UTF-8 encoded std::string.
  length | The maximum length in byte to convert. If length is (size_t)-1, the whole std::string (terminated by '\0') will be converted.

Returns
  The newly allocated UTF-8 std::string that stores text converted, or NULL on error.

## opencc_convert_utf8_free()

OPENCC_EXPORT void opencc_convert_utf8_free | ( | char * | str | ) |

Releases allocated buffer by opencc_convert_utf8.

Parameters

  str | Pointer to the allocated std::string buffer by opencc_convert_utf8.

## opencc_convert_utf8_to_buffer()

OPENCC_EXPORT size_t opencc_convert_utf8_to_buffer | ( | opencc_t | opencc,
|  | const char * | input,
|  | size_t | length,
|  | char * | output )

Converts UTF-8 std::string.

Parameters

  opencc | The opencc description pointer.
  input | The UTF-8 encoded std::string.
  length | The maximum length in byte to convert. If length is (size_t)-1, the whole std::string (terminated by '\0') will be converted.
  output | The buffer to store converted text. You MUST make sure this buffer has sufficient space.

Returns
  The length of converted std::string or (size_t)-1 on error.

## opencc_error()

OPENCC_EXPORT const char * opencc_error | ( | void |  | ) |

Returns the last error message.

Note that this function is the only one which is NOT thread-safe.

## opencc_open()

OPENCC_EXPORT opencc_t opencc_open | ( | const char * | configFileName | ) |

Makes an instance of opencc.

Parameters

  configFileName | Location of configuration file. If this is set to NULL, OPENCC_DEFAULT_CONFIG_SIMP_TO_TRAD will be loaded.

Returns
  A description pointer of the newly allocated instance of opencc. On error the return value will be (opencc_t) -1.