Header file 900 is an example of {HEAD ~ an implementation} of {TAIL ~ header file} 304 in FIG 3 
Header file 900 is an example of { HEAD ~ an implementation } of { TAIL ~ header file } 304 in FIG 3
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH