ERR_set_mark(3) OpenSSL ERR_set_mark(3) NNAAMMEE ERR_set_mark, ERR_pop_to_mark - set marks and pop errors until mark SSYYNNOOPPSSIISS #include int ERR_set_mark(void); int ERR_pop_to_mark(void); DDEESSCCRRIIPPTTIIOONN _E_R_R___s_e_t___m_a_r_k_(_) sets a mark on the current topmost error record if there is one. _E_R_R___p_o_p___t_o___m_a_r_k_(_) will pop the top of the error stack until a mark is found. The mark is then removed. If there is no mark, the whole stack is removed. RREETTUURRNN VVAALLUUEESS _E_R_R___s_e_t___m_a_r_k_(_) returns 0 if the error stack is empty, otherwise 1. _E_R_R___p_o_p___t_o___m_a_r_k_(_) returns 0 if there was no mark in the error stack, which implies that the stack became empty, otherwise 1. SSEEEE AALLSSOO _e_r_r(3) HHIISSTTOORRYY _E_R_R___s_e_t___m_a_r_k_(_) and _E_R_R___p_o_p___t_o___m_a_r_k_(_) were added in OpenSSL 0.9.8. 1.0.1u 2016-09-22 ERR_set_mark(3)