iconv_open
extern iconv_t iconv_open(const char* tocode, const char* fromcode);
iconv_t descriptor = iconv_open(to, from);
iconv_t iso8859_1to = iconv_open(to,"ISO-8859-1");
iconv_t conversion = iconv_open(to, from);
strong_alias (libiconv_open, iconv_open)
cc->__cd_in = iconv_open (internal_ccs, external_ccs);
cc->__cd_out = iconv_open (external_ccs, internal_ccs);