/* ECP: FILEname=fig10_29.c */
/* 1*/   #define MaxNodeLen 80
/* 2*/   typedef char NodeName[ MaxNodeLen + 1 ];
/* 3*/   const char *Term = "##";

/* 4*/   void
/* 5*/   ReadGraph( Vertex Graph[ ], HashTbl H )
/* 6*/   {
/* 7*/       NodeName Source, Dest;
/* 8*/       int RetVal;

/* 9*/       while( ( RetVal = GetTwoStrings( Source, Dest, MaxNodeLen ) )
/*10*/                > 0 )
/*11*/       {
/*12*/           if( RetVal != 2 )
/*13*/               printf( "Warning: skipped an input line\n" );
/*14*/           else
/*15*/           if( !strcmp( Source, Term ) && !strcmp( Dest, Term ) )
/*16*/               return;
/*17*/           else
/*18*/               AddEdge( AddNode( Source, H, Graph ),
/*19*/                        AddNode( Dest,   H, Graph ), Graph );
/*20*/       }
/*21*/       printf( "Input terminated early???\n" );
/*22*/   }