| PMTRUNCATEBUFFER(3) | PMTRUNCATEBUFFER(3) | 
int pmTruncateBuffer(pmContext *pmc, size_t len);
| pmContext * | pmc | pmContext object | |
| size_t | len | New buffer length | 
pmTruncateBuffer() truncates a send buffer length previously
allocated by
pmGetSendBuffer() or
pmGetMulticastBuffer().
len is 1.
| PM_SUCCESS | Success | 
| EINVAL | Invalid length | 
| EIO | Called with no buffer allocated |