tmp/tmpjmq645_l/{from.md → to.md}
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### Header `<csetjmp>` synopsis <a id="csetjmp.syn">[[csetjmp.syn]]</a>
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``` cpp
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namespace std {
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using jmp_buf = see below;
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[[noreturn]] void longjmp(jmp_buf env, int val);
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}
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#define setjmp(env) see below
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```
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The contents of the header `<csetjmp>` are the same as the C standard
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library header `<setjmp.h>`.
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The function signature `longjmp(jmp_buf jbuf, int val)` has more
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restricted behavior in this International Standard. A `setjmp`/`longjmp`
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call pair has undefined behavior if replacing the `setjmp` and `longjmp`
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by `catch` and `throw` would invoke any non-trivial destructors for any
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automatic objects.
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ISO C 7.13.
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