from Simple.xs:2:
Simple.xs:23:3: error: expected identifier or '(' before numeric constant
 } ERROR;
   ^
Simple.xs:25:1: error: expected identifier or '(' before numeric constant
 ERROR error;
 ^
Simple.xs:47:5: error: expected specifier-qualifier-list before numeric constant

     ERROR        error;
     ^
Simple.xs: In function 'c_create_network':
Simple.xs:277:35: error: 'NEURAL_NETWORK' has no member named 'size'
     int input_layer_with_bias  = n->size.input  + 1;
                                   ^
...
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