1 files changed, 4 insertions, 0 deletions
diff --git a/openssl-sys/src/lib.rs b/openssl-sys/src/lib.rs
index a6041a6b..aa3a0df5 100644
--- a/openssl-sys/src/lib.rs
+++ b/openssl-sys/src/lib.rs
@@ -1086,6 +1086,10 @@ extern "C" {
                         -> c_int;
     pub fn PKCS12_free(p12: *mut PKCS12);
 
+    pub fn sk_free(st: *mut _STACK);
+    pub fn sk_pop_free(st: *mut _STACK, free: Option<unsafe extern "C" fn (*mut c_void)>);
+    pub fn sk_pop(st: *mut _STACK) -> *mut c_char;
+
     pub fn SSLeay() -> c_long;
     pub fn SSLeay_version(key: c_int) -> *const c_char;
 }