#if !defined ISO && !defined POSIX
type iconv_t
# if defined XOPEN2K8 || defined POSIX2008
type size_t
# endif

function iconv_t iconv_open (const char*, const char*)
function size_t iconv (iconv_t, char**, size_t*, char**, size_t*)
function int iconv_close (iconv_t)

allow *_t
#endif