If PREPEND is non-NULL, then it is prepended to each filename;
i.e., it looks like PREPEND/PATH_COMPONENT/NAME. This is not done
with absolute directories in the path. */
If PREPEND is non-NULL, then it is prepended to each filename;
i.e., it looks like PREPEND/PATH_COMPONENT/NAME. This is not done
with absolute directories in the path. */