1ERR_set_mark(3)                     OpenSSL                    ERR_set_mark(3)
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NAME

6       ERR_set_mark, ERR_pop_to_mark - set marks and pop errors until mark
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SYNOPSIS

9        #include <openssl/err.h>
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11        int ERR_set_mark(void);
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13        int ERR_pop_to_mark(void);
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DESCRIPTION

16       ERR_set_mark() sets a mark on the current topmost error record if there
17       is one.
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19       ERR_pop_to_mark() will pop the top of the error stack until a mark is
20       found.  The mark is then removed.  If there is no mark, the whole stack
21       is removed.
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RETURN VALUES

24       ERR_set_mark() returns 0 if the error stack is empty, otherwise 1.
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26       ERR_pop_to_mark() returns 0 if there was no mark in the error stack,
27       which implies that the stack became empty, otherwise 1.
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SEE ALSO

30       err(3)
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HISTORY

33       ERR_set_mark() and ERR_pop_to_mark() were added in OpenSSL 0.9.8.
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371.0.2o                            2018-03-27                   ERR_set_mark(3)