> spe170> cc -fPIC -g constr.c > spe170> ./a.out > Segmentation fault I'm unable to duplicate this on gsyprf11. I tried several gcc versions. I'm using glibc 2.3.1-15. ld is version 2.13.90 20030210. Dave -- J. David Anglin dave.anglin@nrc-cnrc.gc.ca National Research Council of Canada (613) 990-0752 (FAX: 952-6602)