Fair point, but in systems programming where C is used a lot, the 'system' often/usually has the abstract data types you need, or you're in a lower level enough

Fair point, but in systems programming where C is used a lot, the 'system' often/usually has the abstract data types you need, or you're in a lower level enough environment that you want your own custom/hardware specific solution. Crude example: http://kernelnewbies.org/FAQ/LinkedLists http://kernelnewbies.org/FAQ/LinkedLists