foo.c: In function 'Union':
foo.c:87:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   87 |                 if(flag==0)
      |                 ^~
foo.c:89:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   89 |                         p=p->next;
      |                         ^
foo.c: In function 'SearchRemove':
foo.c:123:1: warning: control reaches end of non-void function [-Wreturn-type]
  123 | }
      | ^

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