evp_decodeblock_int
static int evp_decodeblock_int(EVP_ENCODE_CTX *ctx, unsigned char *t,
decoded_len = evp_decodeblock_int(ctx, out, d, n, eof);
decoded_len = evp_decodeblock_int(ctx, out, d, n, eof);
return evp_decodeblock_int(NULL, t, f, n, 0);
i = evp_decodeblock_int(ctx, out, ctx->enc_data, ctx->num, -1);