Where are longjmp and setjmp used in c++, C/C++ Programming

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Where are longjmp and setjmp used in C++?

-Setjmp and longjmp must not be used in C++.

- Longjmp jumps out of the function without unwinding stack. This means that local objects generated aren't destructed properly.

- The better option is to use try/throw/catch instead. They properly destruct local objects.

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