| PMUNBINDCHANNEL(3) | PMUNBINDCHANNEL(3) | 
int pmUnbindChannel(pmContext *pmc);
pmContext * | 
  pmc | 
  pmContext object | 
pmUnbindChannel() unbinds a channel from a context
pmc.
PM_SUCCESS | 
  Success | 
EINVAL | 
  Context is not bound to a channel | 
ENOSYS | 
  Operation not supported |