Structure flock struct flock Topics Initializers init() init(l_type: Int16, l_whence: Int16, l_start: __off_t, l_len: __off_t, l_pid: __pid_t) Instance Properties var l_len: __off_t var l_pid: __pid_t var l_start: __off_t var l_type: Int16 var l_whence: Int16 Relationships Conforms To Swift.BitwiseCopyable Swift.Sendable