==== filec ====
cc -O2 -pipe  -Wall  -MD -MP  -c edit.c
cc   -o edit edit.o -lutil
sh /home/src/regress/bin/csh/filec.sh /bin/csh

==== env ====
/bin/csh </home/src/regress/bin/csh/env.in 2>&1 | diff -u /home/src/regress/bin/csh/env.ok -