Function openssl_sys::EVP_CipherInit_ex

pub unsafe extern fn EVP_CipherInit_ex(ctx: *mut EVP_CIPHER_CTX,
                                       type_: *const EVP_CIPHER,
                                       impl_: *mut ENGINE,
                                       key: *const c_uchar,
                                       iv: *const c_uchar,
                                       enc: c_int)
                                       -> c_int