Function openssl_sys::EVP_OpenInit

pub unsafe extern "C" fn EVP_OpenInit(
    ctx: *mut EVP_CIPHER_CTX, 
    type_: *const EVP_CIPHER, 
    ek: *const c_uchar, 
    ekl: c_int, 
    iv: *const c_uchar, 
    priv_: *mut EVP_PKEY
) -> c_int