#if defined( _WINREG_H ) && !defined( _PROJECT_H )
typedef PVALUEA PVALUE;
#elif defined( _PROJECT_H ) &&  !defined( _WINREG_H )
typedef union { double  f; int  i; char *s; } PVALUE;
#else
assert( "File " __FILE__ "requires PVALUE defined from both winreg.h and project.h" == NULL );
#endif