以下函數(shù)為鏈隊(duì)列的入隊(duì)操作，x為要入隊(duì)的結(jié)點(diǎn)的數(shù)據(jù)域的值，front、rear分別是鏈隊(duì)列的隊(duì)頭、隊(duì)尾指針。
malloc（sizeof（structnode））；rear->next=p；p
