| PUTTER(9) | Kernel Developer's Manual | PUTTER(9) | 
putter —
putter subsystem is used for request-response
  handling of userspace components. It currently provides routines for
  associating a file descriptor with a subsystem data structure instance and I/O
  routines. Users of the facility must fill out the callbacks in
  struct putter_ops to integrate with
  putter.
| November 21, 2007 | NetBSD 9.3 |