chmod 664 excmd.h
(echo '/^\/\* C_[0-9A-Z_]* \*\/$$/ {'; \
echo 'printf("#define %s %d\n", $$2, cnt++)'; \
echo 'next'; \
echo '}') > /tmp/__vi.excmd.h
chmod 664 excmd.h
(echo '/^\/\* C_[0-9A-Z_]* \*\/$$/ {'; \
echo 'printf("#define %s %d\n", $$2, cnt++)'; \
echo 'next'; \
echo '}') > /tmp/__vi.excmd.h