[habibur]

c++ for high level and C for lower level and library building.

bonus : you don't have to learn a new language every decade.

[pjmlp]

That ship has sailed in 2000…

Plus the winds are changing in security liability.

[JonChesterfield]

C++? You have to learn a new language every three years, with an argument for continually as the compilers update out of sync with each other