checkpath
void checkpath(const char *, char resolved_path[]);
checkpath(name, mntpath);
checkpath(dir, mntpath);
checkpath(mntto, mntpoint);
checkpath(fs_name, mntpath);
checkpath(mntpt, mntpath);
checkpath(dir, mntpath);
checkpath(name, mntpath);
checkpath(dir, mntpath);
checkpath(argv[0], source);
checkpath(argv[0], target);
checkpath(argv[1], source);
checkpath(argv[1], mntpath);
checkpath(dir, mntpath);
checkpath(name, mntpath);