{TAIL ~ A QClose function} closes {HEAD ~ the associated file descriptor} created via a QSocket function and returns a zero on success, or −1 if an error occurred 
{ TAIL ~ A QClose function } closes { HEAD ~ the associated file descriptor } created via a QSocket function and returns a zero on success , or −1 if an error occurred
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH