View Compilation Error

0_0_32390728_25107.cpp: In function 'void dfs1(int, int, int, std::string)':
0_0_32390728_25107.cpp:30:30: error: 'dfs' was not declared in this scope
   dfs(x+dx[i],y+dy[i],cnt+1,s);
                              ^
0_0_32390728_25107.cpp: In function 'int main()':
0_0_32390728_25107.cpp:47:20: error: 'dfs2' was not declared in this scope
     dfs2(i,j,0,temp);
                    ^