View Compilation Error

0_0_25120236_9662.c:60:1: error: expected identifier or '(' before '/' token
 /---------------------------
 ^
0_0_25120236_9662.c:70:6: error: redefinition of 'check'
 bool check(int x,int y)
      ^
0_0_25120236_9662.c:9:6: note: previous definition of 'check' was here
 bool check(int x,int y)
      ^
0_0_25120236_9662.c:76:6: error: conflicting types for 'DFS'
 void DFS(int x,int y,int step)
      ^
0_0_25120236_9662.c:18:6: note: previous definition of 'DFS' was here
 void DFS(int x,int y)
      ^
0_0_25120236_9662.c:98:5: error: redefinition of 'main'
 int main()
     ^
0_0_25120236_9662.c:33:5: note: previous definition of 'main' was here
 int main()
     ^