View Compilation Error

0_0_16712184_31714.cpp: In function 'int dfs(int, int)':
0_0_16712184_31714.cpp:38:48: error: invalid conversion from 'void*' to 'node*' [-fpermissive]
     struct node *p = malloc(sizeof(struct node));
                                                ^
0_0_16712184_31714.cpp:39:49: error: invalid conversion from 'void*' to 'node*' [-fpermissive]
     struct node *p1 = malloc(sizeof(struct node));
                                                 ^
0_0_16712184_31714.cpp:68:44: error: invalid conversion from 'void*' to 'node*' [-fpermissive]
             p3 = malloc(sizeof(struct node));
                                            ^