In the following code, which line(s) contains an error?
1 int main()
2 {
3 FILE fptr1;
4 int memes;
5 fptr = fopen("Exan.txt","r");
6 if (*fptr1 != NULL)
7 {
8 printf("File opened successfully!\n\n");
9 }
10 fscanf (fptr1, "%d", memes);
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