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