DL__SETERROR      238 libltdl/loaders/dlopen.c       DL__SETERROR (CANNOT_OPEN);
DL__SETERROR      254 libltdl/loaders/dlopen.c       DL__SETERROR (CANNOT_CLOSE);
DL__SETERROR      271 libltdl/loaders/dlopen.c       DL__SETERROR (SYMBOL_NOT_FOUND);