setgid (2), setuid (2), stat (2), euidaccess (3), credentials (7), path_resolution (7), symlinksetgid (2), setuid (2), stat (2), euidaccess (3), credentials (7), path_resolution (7), symlinksetgid (2), setuid (2), stat (2), euidaccess (3), credentials (7), path_resolution (7), symlink