getopt.h

#ifndef _GETOPT_H_
#define _GETOPT_H_

#include <OpenMesh/Core/System/compiler.hh>
#include <OpenMesh/Core/System/OpenMeshDLLMacros.hh>

#if defined(_MSC_VER)
 #if   defined(__cplusplus)
 
  extern "C" {
 
   extern OPENMESHDLLEXPORT int opterr;
   extern OPENMESHDLLEXPORT int optind;
   extern OPENMESHDLLEXPORT int optopt;
   extern OPENMESHDLLEXPORT int optreset;
   extern OPENMESHDLLEXPORT char  *optarg;

   OPENMESHDLLEXPORT extern int getopt(int nargc, char * const *nargv, const char *ostr);

  }

  #endif

#elif defined __APPLE__
 #include <unistd.h>
#else
 #include <getopt.h>
#endif

#endif /* _GETOPT_H_ */