ctlmethods

static VALUE
iconv_s_ctlmethods(VALUE klass)
{
    VALUE ary = rb_ary_new();
#ifdef ICONV_TRIVIALP
    rb_ary_push(ary, ID2SYM(rb_intern("trivial?")));
#endif
#ifdef ICONV_GET_TRANSLITERATE
    rb_ary_push(ary, ID2SYM(rb_intern("transliterate?")));
#endif
#ifdef ICONV_SET_TRANSLITERATE
    rb_ary_push(ary, ID2SYM(rb_intern("transliterate=")));
#endif
#ifdef ICONV_GET_DISCARD_ILSEQ
    rb_ary_push(ary, ID2SYM(rb_intern("discard_ilseq?")));
#endif
#ifdef ICONV_SET_DISCARD_ILSEQ
    rb_ary_push(ary, ID2SYM(rb_intern("discard_ilseq=")));
#endif
    return ary;
}