There was a file named "chrtab.o" in 4.1 that was in /lib/libc.a and its source was in /usr/lib/libc/gen/chrtab.c. It seems to have disappeared in 4.2. Anyone know where/why it went ?? Richard Stevens Health Systems International, New Haven, CT { decvax | hao | seismo | sdcsvax } ! kpno ! hsi ! stevens ihnp4 ! hsi ! stevens