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- #ifndef SHARE__UTF8_H
- #define SHARE__UTF8_H
- /*
- * Convert a string between UTF-8 and the locale's charset.
- * Invalid bytes are replaced by '#', and characters that are
- * not available in the target encoding are replaced by '?'.
- *
- * If the locale's charset is not set explicitly then it is
- * obtained using nl_langinfo(CODESET), where available, the
- * environment variable CHARSET, or assumed to be US-ASCII.
- *
- * Return value of conversion functions:
- *
- * -1 : memory allocation failed
- * 0 : data was converted exactly
- * 1 : valid data was converted approximately (using '?')
- * 2 : input was invalid (but still converted, using '#')
- * 3 : unknown encoding (but still converted, using '?')
- */
- int utf8_encode(const char *from, char **to);
- int utf8_decode(const char *from, char **to);
- #endif
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