foo.c: In function 'Search':
foo.c:4:8: error: 'x' redeclared as different kind of symbol
    4 |  int i,x=-1;
      |        ^
foo.c:2:31: note: previous definition of 'x' was here
    2 | int Search(int a[], int n,int x)
      |                           ~~~~^
foo.c: In function 'main':
foo.c:22:2: error: expected ',' or ';' before 'printf'
   22 |  printf("%d\n",index);
      |  ^~~~~~
foo.c:21:6: warning: unused variable 'index' [-Wunused-variable]
   21 |  int index= Search(a,n,x)
      |      ^~~~~
foo.c:17:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   17 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
foo.c:19:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   19 |   scanf("%d",&a[i]);
      |   ^~~~~~~~~~~~~~~~~
foo.c:20:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   20 |  scanf("%d", &x);
      |  ^~~~~~~~~~~~~~~

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