This patch fixes a recently reported API bug that caused API calls to stop working after a failed API call that triggered MOPAC's error handler. Also, the C header for MOPAC's API is now compatible with C++ (i.e. it disables name mangling).
This patch fixes a recently reported API bug that caused API calls to stop working after a failed API call that triggered MOPAC's error handler. Also, the C header for MOPAC's API is now compatible with C++ (i.e. it disables name mangling).