==== run-regress-vis_test ====
cc -O2 -pipe   -MD -MP  -c /home/src/regress/lib/libc/vis/vis_test.c
cc   -o vis_test vis_test.o 
./vis_test >/home/src/regress/lib/libc/vis/obj/valid.out
cmp -s /home/src/regress/lib/libc/vis/obj/valid.out /home/src/regress/lib/libc/vis/valid.ok