unicode_to_utf8
status_t unicode_to_utf8(const uchar *uni, uint32 unilen, uint8 *utf8,
unicode_to_utf8(const char *src, int32 *srcLen, char *dst, int32 *dstLen)
unicode_to_utf8(uint32 c, char **out)
unicode_to_utf8(uint32 c, char **out)