Function openssl_sys::EVP_EncryptInit_ex

pub unsafe extern "C" fn EVP_EncryptInit_ex(
    ctx: *mut EVP_CIPHER_CTX, 
    cipher: *const EVP_CIPHER, 
    impl_: *mut ENGINE, 
    key: *const c_uchar, 
    iv: *const c_uchar
) -> c_int