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Which of the following header file defines one function longjmp(), and one variable type jmp_buf?

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Which of the following header file defines one function longjmp(), and one variable type jmp_buf?

(a) stdarg.h

(b) locale.h

(c) setjmp.h

(d) stdlib.h

I had been asked this question in an interview.

This key question is from Non-Local Jumps topic in portion C Library of C

1 Answer

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Best answer
Correct choice is (c) setjmp.h

Explanation: setjmp.h header file defines the macro setjmp(), one function longjmp(), and one variable type jmp_buf.

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