View Compilation Error

0_0_38608827_26145.cpp: In function 'void add_edge(int, int, int)':
0_0_38608827_26145.cpp:75:10: error: 'totalEdges' was not declared in this scope
     edge[totalEdges] = (Edge){v,w,head[u]};
          ^~~~~~~~~~
0_0_38608827_26145.cpp:75:10: note: suggested alternative: 'totalEdge'
     edge[totalEdges] = (Edge){v,w,head[u]};
          ^~~~~~~~~~
          totalEdge