The following code shows a linked list FIFO C++ language implementation. In practice, a number of list implementations exist, including popular Unix systems C sys/queue.h macros or the C++ standard library std::list template, avoiding the need for implementing the data structure from scratch.
the FOlloWIng cOdE shows a liNkeD liSt fifo c++ langUAGe iMpLemEntatiON. in pRActICe, a NumBer Of liST iMPlementatiONS EXist, inCludinG POpulaR uNix systeMS c sYs/queue.h Macros or the C++ stAnDARd LibRary StD::list Template, AvoIdinG thE need fOR iMplemeNting tHe datA structure frOM scRAtch.