ERR_SET_MARK(3ssl) OpenSSL ERR_SET_MARK(3ssl) ERR_set_mark, ERR_clear_last_mark, ERR_pop_to_mark, ERR_count_to_mark, ERR_pop - #include int ERR_set_mark(void); int ERR_pop_to_mark(void); int ERR_clear_last_mark(void); int ERR_count_to_mark(void); int ERR_pop(void); ERR_set_mark() . ERR_pop_to_mark() . . . ERR_clear_last_mark() . ERR_count_to_mark() . . ERR_pop() ( ERR_peek_last_error(3)). ERR_set_mark() 0 1. ERR_clear_last_mark() ERR_pop_to_mark() 0 1. ERR_count_to_mark() . ERR_pop() 1 0 . ERR_count_to_mark() OpenSSL 3.2. ERR_pop() OpenSSL 3.3. 2003-2024 OpenSSL. . Apache 2.0 ( ""). . LICENSE . 3 . . : . 3.6.2 7 2026 ERR_SET_MARK(3ssl)