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Literal strings and assignments

 

When a literal string is assigned to a variable, a copy is made of the string, and the variable is assigned the copy of the literal string. For example, the following code:

 

for (var i = 0; i < 3; i++) 

{

   var str = "dog";

   Clib.strcat(str, "house");

   Clib.puts(str);

}

 

results in the following output:

 

doghouse

doghouse

doghouse

 

A strict C interpretation of this code would not only overwrite memory, but would also generate the following output:

 

doghouse

doghousehouse

doghousehousehouse

 


Literal strings and comparisons