Output error codes.
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@ -138,7 +138,7 @@ int main() {
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eval_result = libab_run(&ab, input_buffer, &eval_into);
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eval_result = libab_run(&ab, input_buffer, &eval_into);
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if (eval_result != LIBAB_SUCCESS) {
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if (eval_result != LIBAB_SUCCESS) {
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printf("Invalid input.\n");
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printf("Invalid input (error code %d).\n", eval_result);
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} else {
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} else {
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result = libab_run_function(&ab, "print", &call_into, 1, &eval_into);
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result = libab_run_function(&ab, "print", &call_into, 1, &eval_into);
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libab_ref_free(&call_into);
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libab_ref_free(&call_into);
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