DL__SETERROR      198 libltdl/loaders/dlopen.c       DL__SETERROR (CANNOT_OPEN);
DL__SETERROR      214 libltdl/loaders/dlopen.c       DL__SETERROR (CANNOT_CLOSE);
DL__SETERROR      231 libltdl/loaders/dlopen.c       DL__SETERROR (SYMBOL_NOT_FOUND);