1: libc {
    2:   GLIBC_2.1 {
    3:     # i*
    4:     iconv_open; iconv; iconv_close;
    5:   }
    6:   GLIBC_PRIVATE {
    7:     # functions shared with iconv program
    8:     __gconv_get_alias_db; __gconv_get_modules_db; __gconv_get_cache;
    9:   }
   10: }