In which situation we use jmp_buf in C programming

Question

jmp_buf is used in which situation durinf C Programming.

jmp_buf is what? I mean is it Keyword/data type ??

It's beneficial to lear *what* is `jmp_buf` *before* you ask how to use it. — Anton Kovalenko, Feb 14 '13 at 11:48
Why not use Google? It is faster for this sort of question. 10 secs got http://www.cplusplus.com/reference/csetjmp/jmp_buf/ — Ed Heal, Feb 14 '13 at 11:50
`jmp_buf` is a standard C function; if you know C, you know `jmp_buf`. — James Kanze, Feb 14 '13 at 12:37

score 1 · Accepted Answer · edited May 23 '17 at 12:18

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jmp_buf is a type to hold information to restore calling environment This is an array type capable of storing the information of a calling environment to be restored later. Refer this

This information is filled by calling macro setjmp and can be restored by calling function longjmp.

An example of the same is shown here .

edited May 23 '17 at 12:18

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answered Feb 14 '13 at 11:49

In which situation we use jmp_buf in C programming

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