/* Exports from flock1.c. */ s48_value set_lock(s48_value fd, s48_value cmd, s48_value type, s48_value whence, s48_value start, s48_value len); s48_value get_lock(s48_value fd, s48_value cmd, s48_value type, s48_value whence, s48_value start, s48_value len); void s48_init_flock(void);