iconv
size_t iconv(iconv_t, char ** __restrict,
struct _citrus_iconv iconv;
handle = &cs->iconv;
struct _citrus_iconv iconv;
handle = &cs->iconv;
#define my_iconv iconv
DECLARE_MODULE(iconv, iconv_mod, SI_SUB_DRIVERS, SI_ORDER_SECOND);
SYSCTL_NODE(_kern, OID_AUTO, iconv, CTLFLAG_RW, NULL, "kernel iconv interface");
ret = iconv(cd, NULL, NULL, &out, &outbytes);
rc = iconv(cd, __DECONST(char **, &label), &srcleft, &label_out,
rc = iconv(cd, __DECONST(char **, &label), &labellen, &label_out,