| PMRELEASERECEIVEBUFFER(3) | PMRELEASERECEIVEBUFFER(3) | 
int pmReleaseReceiveBuffer(pmContext *pmc);
| pmContext * | pmc | pmContext object | 
pmReleaseReceiveBuffer() releases a message buffer previously
received by pmReceive().pmc is of type PM_COMPOSITE then the context is
unlocked.
| PM_SUCCESS | Success | 
| EIO | Called before a message is received |