taglinefilesource code
F_UNLCK64fs/locks.cif (flock.l_type == F_UNLCK)
F_UNLCK82fs/locks.cflock.l_type = F_UNLCK;      /* no conflict found */
F_UNLCK129fs/locks.ccase F_UNLCK :
F_UNLCK137fs/locks.cif (file_lock.fl_type == F_UNLCK)
F_UNLCK204fs/locks.cif (l->l_type != F_UNLCK && l->l_type != F_RDLCK && l->l_type != F_WRLCK