Pointer to int

[Ronaldo Zacarias Afonso <r_zaca@ig.com.br>]

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  Hello everybody, 

  I'm iniciating in the C programming language and there are some things 
that I realy need to understand, so the question is: 

  In the code: 

  int i; 
  struct some_struct *ptr; 

  ptr = &some_other_struct; 

  i = (int) ptr; 


  1) Is the last sentence a valid one? 
  2) If it is, what is realy happening? 

note - It seems very stranger to me. A struct pointer being "transformed" 
into a int variable. 

  Thanks. 


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