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Which macro saves the current environment into the variable environment for later use by the function longjmp().

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in C by (52.2k points)
Which macro saves the current environment into the variable environment for later use by the function longjmp().

(a) setjmp

(b) longjmp

(c) jmp

(d) set_jmp

The question was posed to me in unit test.

The origin of the question is Non-Local Jumps topic in chapter C Library of C

1 Answer

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by (829k points)
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Best answer
Right choice is (a) setjmp

Explanation: The setjmp() macro saves its calling environment in its jmp-buf argument to be used later by the longjmp() function.

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