[Open Babel] Cannot create objects using C++ API

[Peter]

Hi,

I am new to openbabel and am trying to write short C++ applications using
openbabel. The openbabel installation went on fine. 
Now I am trying to test a short code:
e.g.
#include <iostream>
#include <openbabel/mol.h>
#include <openbabel/obconversion.h>
using namespace std;

int main(int argc,char **argv){
  OBConversion conv(&cin,&cout);
  if(conv.SetInAndOutFormats("SDF","MOL2")){
    OBMol mol;
    if(conv.Read(&mol))
      conv->Write(&mol);
  }
  return(1);
}

Compiling this using : g++ -L/usr/local/lib -l openbabel -I
/usr/local/include/openbabel-2.0 main.cpp -o test.o
would raise errors, as:
main.cpp:7: error: ‘OBConversion’ was not declared in this scope
main.cpp:7: error: expected ‘;’ before ‘conv’
main.cpp:8: error: ‘conv’ was not declared in this scope
main.cpp:9: error: ‘OBMol’ was not declared in this scope


When I change it to:
OpenBabel::OBConversion conv(&cin,&cout);
OpenBabel::OBMol mol;
The error 
main.cpp:11: error: base operand of ‘->’ has non-pointer type
‘OpenBabel::OBConversion’


Any help/suggestion is appreciated.

Thanks,
Peter




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