#ifndef SKETCHSOLVER_H
#define SKETCHSOLVER_H
+#include <stdlib.h>
+
#if defined SKETCHSOLVER_EXPORTS
#if defined WIN32
#define SKETCHSOLVER_EXPORT __declspec( dllexport )
const ParameterID PID_UNKNOWN = 0;
const EntityID EID_UNKNOWN = 0;
+const EntityID EID_SKETCH = 1;
const ConstraintID CID_UNKNOWN = 0;
#endif